those who commit

src/Config.c

@@ -24,7 +24,8 @@ int load_config(const char *filename, Config *config) {
       char *end = strchr(line, ']');
       if (end) {
         *end = '\0';
-        snprintf(section, sizeof(section), "%.*s", (int)(sizeof(section) - 1), line + 1);
+        snprintf(section, sizeof(section), "%.*s", (int)(sizeof(section) - 1),
+                 line + 1);
         section[sizeof(section) - 1] = '\0';
       }
       continue;
@@ -36,8 +37,10 @@ int load_config(const char *filename, Config *config) {
       char *key = line;
       char *value = delimiter + 1;
 
-      while (*key == ' ' || *key == '\t') key++;
-      while (*value == ' ' || *value == '\t') value++;
+      while (*key == ' ' || *key == '\t')
+        key++;
+      while (*value == ' ' || *value == '\t')
+        value++;
 
       char *key_end = key + strlen(key) - 1;
       while (key_end > key && (*key_end == ' ' || *key_end == '\t')) {
@@ -46,12 +49,14 @@ int load_config(const char *filename, Config *config) {
       }
 
       char *value_end = value + strlen(value) - 1;
-      while (value_end > value && (*value_end == ' ' || *value_end == '\t' || *value_end == '"' || *value_end == '\'')) {
+      while (value_end > value && (*value_end == ' ' || *value_end == '\t' ||
+                                   *value_end == '"' || *value_end == '\'')) {
         *value_end = '\0';
         value_end--;
       }
 
-      while (*value == '"' || *value == '\'') value++;
+      while (*value == '"' || *value == '\'')
+        value++;
 
       if (strcmp(section, "server") == 0) {
         if (strcmp(key, "host") == 0) {
@@ -65,7 +70,8 @@ int load_config(const char *filename, Config *config) {
           strncpy(config->proxy, value, sizeof(config->proxy) - 1);
           config->proxy[sizeof(config->proxy) - 1] = '\0';
         } else if (strcmp(key, "list_file") == 0) {
-          strncpy(config->proxy_list_file, value, sizeof(config->proxy_list_file) - 1);
+          strncpy(config->proxy_list_file, value,
+                  sizeof(config->proxy_list_file) - 1);
           config->proxy_list_file[sizeof(config->proxy_list_file) - 1] = '\0';
         } else if (strcmp(key, "max_retries") == 0) {
           config->max_proxy_retries = atoi(value);
@@ -80,4 +86,4 @@ int load_config(const char *filename, Config *config) {
 
   fclose(file);
   return 0;
-}
+}

src/Config.h

@@ -13,4 +13,4 @@ typedef struct {
 
 int load_config(const char *filename, Config *config);
 
-#endif
+#endif

src/Infobox/Calculator.c

@@ -1,9 +1,9 @@
 #include "Calculator.h"
+#include <ctype.h>
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <math.h>
-#include <ctype.h>
 
 static char logic_log[4096];
 
@@ -15,7 +15,8 @@ typedef struct {
 static double parse_expression(Parser *p);
 
 static void skip_ws(Parser *p) {
-  while (p->buffer[p->pos] == ' ') p->pos++;
+  while (p->buffer[p->pos] == ' ')
+    p->pos++;
 }
 
 static double parse_factor(Parser *p) {
@@ -27,7 +28,8 @@ static double parse_factor(Parser *p) {
   if (p->buffer[p->pos] == '(') {
     p->pos++;
     double res = parse_expression(p);
-    if (p->buffer[p->pos] == ')') p->pos++;
+    if (p->buffer[p->pos] == ')')
+      p->pos++;
     return res;
   }
   char *endptr;
@@ -50,7 +52,7 @@ static double parse_term(Parser *p) {
       char step[256];
 
       snprintf(step, sizeof(step), "<div>%g %c %g = <b>%g</b></div>", old, op,
-           right, left);
+               right, left);
       strncat(logic_log, step, sizeof(logic_log) - strlen(logic_log) - 1);
     } else
       break;
@@ -72,7 +74,7 @@ static double parse_expression(Parser *p) {
       char step[256];
 
       snprintf(step, sizeof(step), "<div>%g %c %g = <b>%g</b></div>", old, op,
-           right, left);
+               right, left);
       strncat(logic_log, step, sizeof(logic_log) - strlen(logic_log) - 1);
     } else
       break;
@@ -82,33 +84,34 @@ static double parse_expression(Parser *p) {
 
 double evaluate(const char *expr) {
   logic_log[0] = '\0';
-  if (!expr || strlen(expr) == 0) return 0.0;
+  if (!expr || strlen(expr) == 0)
+    return 0.0;
   Parser p = {expr, 0};
   return parse_expression(&p);
 }
 
 InfoBox fetch_calc_data(char *math_input) {
   InfoBox info = {NULL, NULL, NULL, NULL};
-  if (!math_input) return info;
+  if (!math_input)
+    return info;
 
   double result = evaluate(math_input);
 
   char html_output[5120];
   snprintf(html_output, sizeof(html_output),
-       "<div class='calc-container' style='line-height: 1.6;'>"
-       "%s"
-       "<div style='margin-top: 8px; border-top: 1px solid #eee; "
-       "padding-top: 8px; font-size: 1.2em;'>"
-       "<b>%g</b>"
-       "</div>"
-       "</div>",
-       strlen(logic_log) > 0 ? logic_log : "<div>Constant value</div>",
-       result);
+           "<div class='calc-container' style='line-height: 1.6;'>"
+           "%s"
+           "<div style='margin-top: 8px; border-top: 1px solid #eee; "
+           "padding-top: 8px; font-size: 1.2em;'>"
+           "<b>%g</b>"
+           "</div>"
+           "</div>",
+           strlen(logic_log) > 0 ? logic_log : "<div>Constant value</div>",
+           result);
 
   info.title = strdup("Calculation");
   info.extract = strdup(html_output);
-  info.thumbnail_url =
-  strdup("/static/calculation.svg");
+  info.thumbnail_url = strdup("/static/calculation.svg");
   info.url = strdup("#");
 
   return info;

src/Infobox/Dictionary.c

@@ -1,6 +1,7 @@
 #include "Dictionary.h"
 #include "../Proxy/Proxy.h"
 #include "../Scraping/Scraping.h"
+#include <ctype.h>
 #include <curl/curl.h>
 #include <libxml/HTMLparser.h>
 #include <libxml/xpath.h>
@@ -8,42 +9,60 @@
 #include <stdlib.h>
 #include <string.h>
 #include <strings.h>
-#include <ctype.h>
 
-static const char *PREFIXES[] = {
-  "what is the definition of ", "what's the definition of ",
-  "what is the meaning of ", "what's the meaning of ",
-  "what does the word ", "definition of ", "meaning of ", "def of ",
-  "define ", "definition ", "define:", "def ", "def:",
-  "what does ", "what is ", "what's ", "whats ",
-  "meaning ", "dictionary ", "dict ", NULL
-};
+static const char *PREFIXES[] = {"what is the definition of ",
+                                 "what's the definition of ",
+                                 "what is the meaning of ",
+                                 "what's the meaning of ",
+                                 "what does the word ",
+                                 "definition of ",
+                                 "meaning of ",
+                                 "def of ",
+                                 "define ",
+                                 "definition ",
+                                 "define:",
+                                 "def ",
+                                 "def:",
+                                 "what does ",
+                                 "what is ",
+                                 "what's ",
+                                 "whats ",
+                                 "meaning ",
+                                 "dictionary ",
+                                 "dict ",
+                                 NULL};
 
 static const char *SUFFIXES[] = {
-  " definition", " def", " meaning", " mean", " means",
-  " dictionary", " dict", " define", " defined",
-  " definition?", " def?", " meaning?", " mean?", " means?",
-  " in english", " in english?", NULL
-};
+    " definition",  " def",      " meaning", " mean",    " means",
+    " dictionary",  " dict",     " define",  " defined", " definition?",
+    " def?",        " meaning?", " mean?",   " means?",  " in english",
+    " in english?", NULL};
 
 static const char *SKIP_WORDS[] = {"of ", "the ", "a ", "an ", NULL};
 
 static const char *strcasestr_impl(const char *haystack, const char *needle) {
-  if (!haystack || !needle || !*needle) return haystack;
+  if (!haystack || !needle || !*needle)
+    return haystack;
   size_t len = strlen(needle);
   for (const char *h = haystack; *h; h++) {
-    if (strncasecmp(h, needle, len) == 0) return h;
+    if (strncasecmp(h, needle, len) == 0)
+      return h;
   }
   return NULL;
 }
 
-struct MemStruct { char *memory; size_t size; };
+struct MemStruct {
+  char *memory;
+  size_t size;
+};
 
-static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp) {
+static size_t WriteCallback(void *contents, size_t size, size_t nmemb,
+                            void *userp) {
   size_t realsize = size * nmemb;
   struct MemStruct *mem = (struct MemStruct *)userp;
   char *ptr = realloc(mem->memory, mem->size + realsize + 1);
-  if (!ptr) return 0;
+  if (!ptr)
+    return 0;
   mem->memory = ptr;
   memcpy(&(mem->memory[mem->size]), contents, realsize);
   mem->size += realsize;
@@ -53,40 +72,57 @@ static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *use
 
 static char *xpath_text(xmlDocPtr doc, const char *xpath) {
   xmlXPathContextPtr ctx = xmlXPathNewContext(doc);
-  if (!ctx) return NULL;
+  if (!ctx)
+    return NULL;
   xmlXPathObjectPtr obj = xmlXPathEvalExpression((const xmlChar *)xpath, ctx);
   xmlXPathFreeContext(ctx);
   if (!obj || !obj->nodesetval || obj->nodesetval->nodeNr == 0) {
-    if (obj) xmlXPathFreeObject(obj);
+    if (obj)
+      xmlXPathFreeObject(obj);
     return NULL;
   }
   xmlChar *content = xmlNodeGetContent(obj->nodesetval->nodeTab[0]);
   char *result = content ? strdup((char *)content) : NULL;
-  if (content) xmlFree(content);
+  if (content)
+    xmlFree(content);
   xmlXPathFreeObject(obj);
   return result;
 }
 
-static char *build_html(const char *word, const char *pron, const char *pos, 
-             const char *def, const char *ex) {
+static char *build_html(const char *word, const char *pron, const char *pos,
+                        const char *def, const char *ex) {
   char html[4096];
-  int n = snprintf(html, sizeof(html), "<div class='dict-container' style='line-height: 1.6;'>");
-  if (word) n += snprintf(html + n, sizeof(html) - n, 
-    "<div style='font-size: 1.3em; font-weight: bold; margin-bottom: 4px;'>%s</div>", word);
-  if (pron) n += snprintf(html + n, sizeof(html) - n,
-    "<div style='color: #666; margin-bottom: 8px;'>/%s/</div>", pron);
-  if (pos) n += snprintf(html + n, sizeof(html) - n,
-    "<div style='font-style: italic; color: #888; margin-bottom: 8px;'>%s</div>", pos);
-  if (def) n += snprintf(html + n, sizeof(html) - n,
-    "<div style='margin-bottom: 8px;'>%s</div>", def);
-  if (ex) n += snprintf(html + n, sizeof(html) - n,
-    "<div style='color: #555; font-style: italic; margin-top: 8px;'>\"%s\"</div>", ex);
+  int n = snprintf(html, sizeof(html),
+                   "<div class='dict-container' style='line-height: 1.6;'>");
+  if (word)
+    n += snprintf(html + n, sizeof(html) - n,
+                  "<div style='font-size: 1.3em; font-weight: bold; "
+                  "margin-bottom: 4px;'>%s</div>",
+                  word);
+  if (pron)
+    n += snprintf(html + n, sizeof(html) - n,
+                  "<div style='color: #666; margin-bottom: 8px;'>/%s/</div>",
+                  pron);
+  if (pos)
+    n += snprintf(html + n, sizeof(html) - n,
+                  "<div style='font-style: italic; color: #888; margin-bottom: "
+                  "8px;'>%s</div>",
+                  pos);
+  if (def)
+    n += snprintf(html + n, sizeof(html) - n,
+                  "<div style='margin-bottom: 8px;'>%s</div>", def);
+  if (ex)
+    n += snprintf(html + n, sizeof(html) - n,
+                  "<div style='color: #555; font-style: italic; margin-top: "
+                  "8px;'>\"%s\"</div>",
+                  ex);
   snprintf(html + n, sizeof(html) - n, "</div>");
   return strdup(html);
 }
 
 static char *extract_word(const char *query) {
-  if (!query) return NULL;
+  if (!query)
+    return NULL;
 
   const char *start = query;
 
@@ -98,9 +134,11 @@ static char *extract_word(const char *query) {
     }
   }
 
-  while (*start == ' ') start++;
+  while (*start == ' ')
+    start++;
   char *word = strdup(start);
-  if (!word) return NULL;
+  if (!word)
+    return NULL;
 
   int changed = 1;
   while (changed) {
@@ -130,29 +168,37 @@ static char *extract_word(const char *query) {
   }
 
   size_t len = strlen(word);
-  while (len > 0 && (word[len-1] == ' ' || word[len-1] == '?' ||
-       word[len-1] == '!' || word[len-1] == '.')) {
+  while (len > 0 && (word[len - 1] == ' ' || word[len - 1] == '?' ||
+                     word[len - 1] == '!' || word[len - 1] == '.')) {
     word[--len] = '\0';
   }
 
-  if (len == 0) { free(word); return NULL; }
+  if (len == 0) {
+    free(word);
+    return NULL;
+  }
 
-  for (size_t i = 0; i < len; i++) word[i] = tolower((unsigned char)word[i]);
+  for (size_t i = 0; i < len; i++)
+    word[i] = tolower((unsigned char)word[i]);
   char *space = strchr(word, ' ');
-  if (space) *space = '\0';
+  if (space)
+    *space = '\0';
 
   return word;
 }
 
 int is_dictionary_query(const char *query) {
-  if (!query) return 0;
+  if (!query)
+    return 0;
 
   for (int i = 0; PREFIXES[i]; i++) {
     size_t len = strlen(PREFIXES[i]);
     if (strncasecmp(query, PREFIXES[i], len) == 0) {
       const char *after = query + len;
-      while (*after == ' ') after++;
-      if (*after != '\0') return 1;
+      while (*after == ' ')
+        after++;
+      if (*after != '\0')
+        return 1;
     }
   }
 
@@ -160,23 +206,29 @@ int is_dictionary_query(const char *query) {
     const char *pos = strcasestr_impl(query, SUFFIXES[i]);
     if (pos) {
       const char *after = pos + strlen(SUFFIXES[i]);
-      while (*after == ' ' || *after == '?' || *after == '!' || *after == '.') after++;
-      if (*after == '\0' && pos > query && (pos - query) < 100) return 1;
+      while (*after == ' ' || *after == '?' || *after == '!' || *after == '.')
+        after++;
+      if (*after == '\0' && pos > query && (pos - query) < 100)
+        return 1;
     }
   }
 
-  if (strncasecmp(query, "what is ", 8) == 0 || 
-    strncasecmp(query, "what's ", 7) == 0 ||
-    strncasecmp(query, "whats ", 6) == 0) {
-    const char *word = query + (strncasecmp(query, "what is ", 8) == 0 ? 8 : 
-                   strncasecmp(query, "what's ", 7) == 0 ? 7 : 6);
-    const char *articles[] = {"the ", "your ", "my ", "his ", "her ", "their ", 
-                 "our ", "this ", "that ", "these ", "those ", "a ", "an ", NULL};
+  if (strncasecmp(query, "what is ", 8) == 0 ||
+      strncasecmp(query, "what's ", 7) == 0 ||
+      strncasecmp(query, "whats ", 6) == 0) {
+    const char *word = query + (strncasecmp(query, "what is ", 8) == 0  ? 8
+                                : strncasecmp(query, "what's ", 7) == 0 ? 7
+                                                                        : 6);
+    const char *articles[] = {"the ",   "your ", "my ",   "his ",  "her ",
+                              "their ", "our ",  "this ", "that ", "these ",
+                              "those ", "a ",    "an ",   NULL};
     for (int i = 0; articles[i]; i++) {
-      if (strncasecmp(word, articles[i], strlen(articles[i])) == 0) return 0;
+      if (strncasecmp(word, articles[i], strlen(articles[i])) == 0)
+        return 0;
     }
     const char *space = strchr(word, ' ');
-    if (!space || *(space + 1) == '\0' || *(space + 1) == '?') return 1;
+    if (!space || *(space + 1) == '\0' || *(space + 1) == '?')
+      return 1;
   }
 
   return 0;
@@ -184,10 +236,14 @@ int is_dictionary_query(const char *query) {
 
 char *construct_dictionary_url(const char *query) {
   char *word = extract_word(query);
-  if (!word) return NULL;
+  if (!word)
+    return NULL;
 
   CURL *curl = curl_easy_init();
-  if (!curl) { free(word); return NULL; }
+  if (!curl) {
+    free(word);
+    return NULL;
+  }
 
   char *escaped = curl_easy_escape(curl, word, 0);
   const char *base = "https://dictionary.cambridge.org/dictionary/english/";
@@ -207,10 +263,14 @@ InfoBox fetch_dictionary_data(const char *query) {
   InfoBox info = {NULL, NULL, NULL, NULL};
 
   char *url = construct_dictionary_url(query);
-  if (!url) return info;
+  if (!url)
+    return info;
 
   CURL *curl = curl_easy_init();
-  if (!curl) { free(url); return info; }
+  if (!curl) {
+    free(url);
+    return info;
+  }
 
   struct MemStruct chunk = {malloc(1), 0};
   curl_easy_setopt(curl, CURLOPT_URL, url);
@@ -222,10 +282,13 @@ InfoBox fetch_dictionary_data(const char *query) {
 
   if (curl_easy_perform(curl) == CURLE_OK && chunk.size > 0) {
     htmlDocPtr doc = htmlReadMemory(chunk.memory, chunk.size, url, NULL,
-                     HTML_PARSE_RECOVER | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING);
+                                    HTML_PARSE_RECOVER | HTML_PARSE_NOERROR |
+                                        HTML_PARSE_NOWARNING);
     if (doc) {
       char *word = xpath_text(doc, "//span[@class='hw dhw']");
-      char *pron = xpath_text(doc, "//span[@class='us dpron-i']//span[@class='ipa dipa lpr-2 lpl-1']");
+      char *pron = xpath_text(
+          doc,
+          "//span[@class='us dpron-i']//span[@class='ipa dipa lpr-2 lpl-1']");
       char *pos = xpath_text(doc, "//span[@class='pos dpos']");
       char *def = xpath_text(doc, "(//div[@class='def ddef_d db'])[1]");
       char *ex = xpath_text(doc, "(//span[@class='eg deg'])[1]");
@@ -237,7 +300,11 @@ InfoBox fetch_dictionary_data(const char *query) {
         info.url = strdup(url);
       }
 
-      free(word); free(pron); free(pos); free(def); free(ex);
+      free(word);
+      free(pron);
+      free(pos);
+      free(def);
+      free(ex);
       xmlFreeDoc(doc);
     }
   }
@@ -246,4 +313,4 @@ InfoBox fetch_dictionary_data(const char *query) {
   free(chunk.memory);
   free(url);
   return info;
-}
+}

src/Infobox/Dictionary.h

@@ -7,4 +7,4 @@ InfoBox fetch_dictionary_data(const char *word);
 char *construct_dictionary_url(const char *word);
 int is_dictionary_query(const char *query);
 
-#endif
+#endif

src/Infobox/UnitConversion.c

@@ -23,49 +23,73 @@ typedef struct {
 } UnitDef;
 
 static const UnitDef UNITS[] = {
-  {"metre", {"m", "metres", "meter", "meters"}, UNIT_LENGTH, 1.0},
-  {"kilometre", {"km", "kilometres", "kilometer", "kilometers"}, UNIT_LENGTH, 1000.0},
-  {"centimetre", {"cm", "centimetres", "centimeter", "centimeters"}, UNIT_LENGTH, 0.01},
-  {"millimetre", {"mm", "millimetres", "millimeter", "millimeters"}, UNIT_LENGTH, 0.001},
-  {"mile", {"mi", "miles"}, UNIT_LENGTH, 1609.344},
-  {"yard", {"yd", "yards"}, UNIT_LENGTH, 0.9144},
-  {"foot", {"ft", "feet", "'"}, UNIT_LENGTH, 0.3048},
-  {"inch", {"in", "inches", "\""}, UNIT_LENGTH, 0.0254},
-
-  {"kilogram", {"kg", "kilograms", "kilo", "kilos"}, UNIT_WEIGHT, 1.0},
-  {"gram", {"g", "grams"}, UNIT_WEIGHT, 0.001},
-  {"milligram", {"mg", "milligrams"}, UNIT_WEIGHT, 0.000001},
-  {"pound", {"lb", "lbs", "pounds"}, UNIT_WEIGHT, 0.453592},
-  {"ounce", {"oz", "ounces"}, UNIT_WEIGHT, 0.0283495},
-  {"tonne", {"tonnes", "tons", "ton"}, UNIT_WEIGHT, 1000.0},
-  {"stone", {"st", "stones"}, UNIT_WEIGHT, 6.35029},
-
-  {"celsius", {"c", "°c", "degrees celsius", "degrees c"}, UNIT_TEMP, 1.0},
-  {"fahrenheit", {"f", "°f", "degrees fahrenheit", "degrees f"}, UNIT_TEMP, 1.0},
-  {"kelvin", {"k", "degrees kelvin", "degrees k"}, UNIT_TEMP, 1.0},
-
-  {"litre", {"l", "litres", "liter", "liters"}, UNIT_VOLUME, 1.0},
-  {"millilitre", {"ml", "millilitres", "milliliter", "milliliters"}, UNIT_VOLUME, 0.001},
-  {"gallon", {"gal", "gallons"}, UNIT_VOLUME, 3.78541},
-  {"quart", {"qt", "quarts"}, UNIT_VOLUME, 0.946353},
-  {"pint", {"pt", "pints"}, UNIT_VOLUME, 0.473176},
-  {"cup", {"cups"}, UNIT_VOLUME, 0.236588},
-  {"fluid ounce", {"fl oz", "fluid ounces"}, UNIT_VOLUME, 0.0295735},
-
-  {"square metre", {"sqm", "sq m", "m2", "square metres"}, UNIT_AREA, 1.0},
-  {"square foot", {"sqft", "sq ft", "ft2", "square feet"}, UNIT_AREA, 0.092903},
-  {"square kilometre", {"sqkm", "sq km", "km2", "square kilometres"}, UNIT_AREA, 1000000.0},
-  {"square mile", {"sqmi", "sq mi", "mi2", "square miles"}, UNIT_AREA, 2589988.0},
-  {"acre", {"acres"}, UNIT_AREA, 4046.86},
-  {"hectare", {"ha", "hectares"}, UNIT_AREA, 10000.0},
-
-  {"second", {"sec", "seconds", "s"}, UNIT_TIME, 1.0},
-  {"minute", {"min", "minutes"}, UNIT_TIME, 60.0},
-  {"hour", {"hr", "hours", "h"}, UNIT_TIME, 3600.0},
-  {"day", {"days", "d"}, UNIT_TIME, 86400.0},
-  {"week", {"weeks", "wk"}, UNIT_TIME, 604800.0},
-  {"month", {"months", "mo"}, UNIT_TIME, 2629746.0},
-  {"year", {"years", "yr"}, UNIT_TIME, 31556952.0},
+    {"metre", {"m", "metres", "meter", "meters"}, UNIT_LENGTH, 1.0},
+    {"kilometre",
+     {"km", "kilometres", "kilometer", "kilometers"},
+     UNIT_LENGTH,
+     1000.0},
+    {"centimetre",
+     {"cm", "centimetres", "centimeter", "centimeters"},
+     UNIT_LENGTH,
+     0.01},
+    {"millimetre",
+     {"mm", "millimetres", "millimeter", "millimeters"},
+     UNIT_LENGTH,
+     0.001},
+    {"mile", {"mi", "miles"}, UNIT_LENGTH, 1609.344},
+    {"yard", {"yd", "yards"}, UNIT_LENGTH, 0.9144},
+    {"foot", {"ft", "feet", "'"}, UNIT_LENGTH, 0.3048},
+    {"inch", {"in", "inches", "\""}, UNIT_LENGTH, 0.0254},
+
+    {"kilogram", {"kg", "kilograms", "kilo", "kilos"}, UNIT_WEIGHT, 1.0},
+    {"gram", {"g", "grams"}, UNIT_WEIGHT, 0.001},
+    {"milligram", {"mg", "milligrams"}, UNIT_WEIGHT, 0.000001},
+    {"pound", {"lb", "lbs", "pounds"}, UNIT_WEIGHT, 0.453592},
+    {"ounce", {"oz", "ounces"}, UNIT_WEIGHT, 0.0283495},
+    {"tonne", {"tonnes", "tons", "ton"}, UNIT_WEIGHT, 1000.0},
+    {"stone", {"st", "stones"}, UNIT_WEIGHT, 6.35029},
+
+    {"celsius", {"c", "°c", "degrees celsius", "degrees c"}, UNIT_TEMP, 1.0},
+    {"fahrenheit",
+     {"f", "°f", "degrees fahrenheit", "degrees f"},
+     UNIT_TEMP,
+     1.0},
+    {"kelvin", {"k", "degrees kelvin", "degrees k"}, UNIT_TEMP, 1.0},
+
+    {"litre", {"l", "litres", "liter", "liters"}, UNIT_VOLUME, 1.0},
+    {"millilitre",
+     {"ml", "millilitres", "milliliter", "milliliters"},
+     UNIT_VOLUME,
+     0.001},
+    {"gallon", {"gal", "gallons"}, UNIT_VOLUME, 3.78541},
+    {"quart", {"qt", "quarts"}, UNIT_VOLUME, 0.946353},
+    {"pint", {"pt", "pints"}, UNIT_VOLUME, 0.473176},
+    {"cup", {"cups"}, UNIT_VOLUME, 0.236588},
+    {"fluid ounce", {"fl oz", "fluid ounces"}, UNIT_VOLUME, 0.0295735},
+
+    {"square metre", {"sqm", "sq m", "m2", "square metres"}, UNIT_AREA, 1.0},
+    {"square foot",
+     {"sqft", "sq ft", "ft2", "square feet"},
+     UNIT_AREA,
+     0.092903},
+    {"square kilometre",
+     {"sqkm", "sq km", "km2", "square kilometres"},
+     UNIT_AREA,
+     1000000.0},
+    {"square mile",
+     {"sqmi", "sq mi", "mi2", "square miles"},
+     UNIT_AREA,
+     2589988.0},
+    {"acre", {"acres"}, UNIT_AREA, 4046.86},
+    {"hectare", {"ha", "hectares"}, UNIT_AREA, 10000.0},
+
+    {"second", {"sec", "seconds", "s"}, UNIT_TIME, 1.0},
+    {"minute", {"min", "minutes"}, UNIT_TIME, 60.0},
+    {"hour", {"hr", "hours", "h"}, UNIT_TIME, 3600.0},
+    {"day", {"days", "d"}, UNIT_TIME, 86400.0},
+    {"week", {"weeks", "wk"}, UNIT_TIME, 604800.0},
+    {"month", {"months", "mo"}, UNIT_TIME, 2629746.0},
+    {"year", {"years", "yr"}, UNIT_TIME, 31556952.0},
 };
 
 static const int UNIT_COUNT = sizeof(UNITS) / sizeof(UNITS[0]);
@@ -75,136 +99,142 @@ static int is_whitespace(char c) {
 }
 
 static const UnitDef *find_unit(const char *str) {
-  if (!str || !*str) return NULL;
+  if (!str || !*str)
+    return NULL;
 
   size_t len = strlen(str);
   char normalized[64] = {0};
   size_t j = 0;
 
   for (size_t i = 0; i < len && j < 63; i++) {
-  if ((unsigned char)str[i] == 0xC2 && (unsigned char)str[i+1] == 0xB0) {
-    i++;
-    continue;
-  }
-  if (str[i] == '^' && i + 1 < len && str[i + 1] == '2') {
-    normalized[j++] = '2';
-    i++;
-    continue;
-  }
-  normalized[j++] = tolower((unsigned char)str[i]);
+    if ((unsigned char)str[i] == 0xC2 && (unsigned char)str[i + 1] == 0xB0) {
+      i++;
+      continue;
+    }
+    if (str[i] == '^' && i + 1 < len && str[i + 1] == '2') {
+      normalized[j++] = '2';
+      i++;
+      continue;
+    }
+    normalized[j++] = tolower((unsigned char)str[i]);
   }
   normalized[j] = '\0';
 
   for (int i = 0; i < UNIT_COUNT; i++) {
-  if (strcmp(normalized, UNITS[i].name) == 0) return &UNITS[i];
-  for (int k = 0; k < 4 && UNITS[i].alias[k]; k++) {
-    if (strcmp(normalized, UNITS[i].alias[k]) == 0) return &UNITS[i];
-  }
+    if (strcmp(normalized, UNITS[i].name) == 0)
+      return &UNITS[i];
+    for (int k = 0; k < 4 && UNITS[i].alias[k]; k++) {
+      if (strcmp(normalized, UNITS[i].alias[k]) == 0)
+        return &UNITS[i];
+    }
   }
   return NULL;
 }
 
 int is_unit_conv_query(const char *query) {
-  if (!query) return 0;
+  if (!query)
+    return 0;
 
-  const char *patterns[] = {
-  " to ", " in ", " into ",
-  " = ", " equals ", " equal ",
-  " convert ", " conversion ",
-  " -> ", " → ",
-  NULL
-  };
+  const char *patterns[] = {" to ",     " in ",    " into ",    " = ",
+                            " equals ", " equal ", " convert ", " conversion ",
+                            " -> ",     " → ",     NULL};
 
   int has_pattern = 0;
   for (int i = 0; patterns[i]; i++) {
-  if (strstr(query, patterns[i])) {
-    has_pattern = 1;
-    break;
-  }
+    if (strstr(query, patterns[i])) {
+      has_pattern = 1;
+      break;
+    }
   }
 
   if (!has_pattern) {
-  const char *last_space = strrchr(query, ' ');
-  if (last_space) {
-    const UnitDef *u = find_unit(last_space + 1);
-    if (u) {
-    const char *before = query;
-    while (*before && is_whitespace(*before)) before++;
-    const char *num_end = before;
-    while (*num_end && 
-         (isdigit(*num_end) || *num_end == '.' || *num_end == '-' || 
-        *num_end == '+' || *num_end == '/' || *num_end == '\'' || *num_end == '"')) {
-      num_end++;
-    }
-    if (num_end > before) has_pattern = 1;
+    const char *last_space = strrchr(query, ' ');
+    if (last_space) {
+      const UnitDef *u = find_unit(last_space + 1);
+      if (u) {
+        const char *before = query;
+        while (*before && is_whitespace(*before))
+          before++;
+        const char *num_end = before;
+        while (*num_end &&
+               (isdigit(*num_end) || *num_end == '.' || *num_end == '-' ||
+                *num_end == '+' || *num_end == '/' || *num_end == '\'' ||
+                *num_end == '"')) {
+          num_end++;
+        }
+        if (num_end > before)
+          has_pattern = 1;
+      }
     }
   }
-  }
 
   return has_pattern;
 }
 
 static double parse_value(const char **ptr) {
   const char *p = *ptr;
-  while (*p && is_whitespace(*p)) p++;
+  while (*p && is_whitespace(*p))
+    p++;
 
   double value = 0.0;
   int has_num = 0;
 
-  if (*p == '-' || *p == '+') p++;
-  while (*p >= '0' && *p <= '9') {
-  value = value * 10 + (*p - '0');
-  has_num = 1;
-  p++;
-  }
-  if (*p == '.') {
-  p++;
-  double frac = 0.1;
+  if (*p == '-' || *p == '+')
+    p++;
   while (*p >= '0' && *p <= '9') {
-    value += (*p - '0') * frac;
-    frac *= 0.1;
+    value = value * 10 + (*p - '0');
     has_num = 1;
     p++;
   }
+  if (*p == '.') {
+    p++;
+    double frac = 0.1;
+    while (*p >= '0' && *p <= '9') {
+      value += (*p - '0') * frac;
+      frac *= 0.1;
+      has_num = 1;
+      p++;
+    }
   }
 
   if (*p == '/' && has_num) {
-  p++;
-  double denom = 0.0;
-  int has_denom = 0;
-  while (*p >= '0' && *p <= '9') {
-    denom = denom * 10 + (*p - '0');
-    has_denom = 1;
     p++;
-  }
-  if (has_denom && denom > 0) {
-    value = value / denom;
-  }
+    double denom = 0.0;
+    int has_denom = 0;
+    while (*p >= '0' && *p <= '9') {
+      denom = denom * 10 + (*p - '0');
+      has_denom = 1;
+      p++;
+    }
+    if (has_denom && denom > 0) {
+      value = value / denom;
+    }
   }
 
   while (*p == '\'' || *p == '"') {
-  double extra = 0.0;
-  p++;
-  while (*p >= '0' && *p <= '9') {
-    extra = extra * 10 + (*p - '0');
+    double extra = 0.0;
     p++;
-  }
-  if (*p == '.') {
-    p++;
-    double frac = 0.1;
     while (*p >= '0' && *p <= '9') {
-    extra += (*p - '0') * frac;
-    frac *= 0.1;
-    p++;
+      extra = extra * 10 + (*p - '0');
+      p++;
     }
-  }
-  if (*p == '\'' || *p == '"') p++;
-  value += extra * (p[-1] == '\'' ? 0.3048 : 0.0254);
+    if (*p == '.') {
+      p++;
+      double frac = 0.1;
+      while (*p >= '0' && *p <= '9') {
+        extra += (*p - '0') * frac;
+        frac *= 0.1;
+        p++;
+      }
+    }
+    if (*p == '\'' || *p == '"')
+      p++;
+    value += extra * (p[-1] == '\'' ? 0.3048 : 0.0254);
   }
 
   if (!has_num) {
-  *ptr = p;
-  return 0.0;
+    *ptr = p;
+    return 0.0;
   }
 
   *ptr = p;
@@ -212,10 +242,13 @@ static double parse_value(const char **ptr) {
 }
 
 static int is_separator(char c) {
-  return is_whitespace(c) || c == ',' || c == '.' || c == '(' || c == ')' || c == '\0';
+  return is_whitespace(c) || c == ',' || c == '.' || c == '(' || c == ')' ||
+         c == '\0';
 }
 
-static int parse_conversion_query(const char *query, double *value, const UnitDef **from_unit, const UnitDef **to_unit) {
+static int parse_conversion_query(const char *query, double *value,
+                                  const UnitDef **from_unit,
+                                  const UnitDef **to_unit) {
   *value = 0;
   *from_unit = NULL;
   *to_unit = NULL;
@@ -223,127 +256,151 @@ static int parse_conversion_query(const char *query, double *value, const UnitDe
   const char *value_end = query;
   *value = parse_value(&value_end);
 
-  if (value_end == query) return 0;
+  if (value_end == query)
+    return 0;
 
   const char *p = value_end;
-  while (*p && is_whitespace(*p)) p++;
+  while (*p && is_whitespace(*p))
+    p++;
 
   size_t remaining = strlen(p);
-  if (remaining < 2) return 0;
+  if (remaining < 2)
+    return 0;
 
-  const char *to_keywords[] = {" to ", " in ", " into ", " -> ", " → ", " = ", NULL};
+  const char *to_keywords[] = {" to ", " in ", " into ", " -> ",
+                               " → ",  " = ",  NULL};
   const char *to_pos = NULL;
   size_t keyword_len = 0;
   for (int i = 0; to_keywords[i]; i++) {
-  const char *found = strstr(p, to_keywords[i]);
-  if (found) {
-    to_pos = found + strlen(to_keywords[i]);
-    keyword_len = strlen(to_keywords[i]);
-    break;
-  }
+    const char *found = strstr(p, to_keywords[i]);
+    if (found) {
+      to_pos = found + strlen(to_keywords[i]);
+      keyword_len = strlen(to_keywords[i]);
+      break;
+    }
   }
 
   if (!to_pos) {
-  const char *last_space = strrchr(p, ' ');
-  if (last_space && last_space > p) {
-    char from_part[64] = {0};
-    size_t len = last_space - p;
-    if (len < 63) {
-    strncpy(from_part, p, len);
-    *from_unit = find_unit(from_part);
-    if (*from_unit) {
-      *to_unit = find_unit(last_space + 1);
-      return *to_unit ? 1 : 0;
-    }
+    const char *last_space = strrchr(p, ' ');
+    if (last_space && last_space > p) {
+      char from_part[64] = {0};
+      size_t len = last_space - p;
+      if (len < 63) {
+        strncpy(from_part, p, len);
+        *from_unit = find_unit(from_part);
+        if (*from_unit) {
+          *to_unit = find_unit(last_space + 1);
+          return *to_unit ? 1 : 0;
+        }
+      }
     }
-  }
-  return 0;
+    return 0;
   }
 
   char from_part[64] = {0};
   size_t from_len = to_pos - p - keyword_len;
-  if (from_len > 63) from_len = 63;
+  if (from_len > 63)
+    from_len = 63;
   strncpy(from_part, p, from_len);
 
   char *end_from = from_part + from_len;
-  while (end_from > from_part && is_whitespace(end_from[-1])) end_from--;
+  while (end_from > from_part && is_whitespace(end_from[-1]))
+    end_from--;
   *end_from = '\0';
 
   *from_unit = find_unit(from_part);
   if (!*from_unit) {
-  char *end = from_part + strlen(from_part);
-  while (end > from_part) {
-    while (end > from_part && is_whitespace(end[-1])) end--;
-    if (end <= from_part) break;
-    char *start = end;
-    while (start > from_part && !is_whitespace(start[-1])) start--;
-    size_t word_len = end - start;
-    memmove(from_part + word_len + 1, from_part, start - from_part);
-    from_part[word_len] = ' ';
-    from_part[word_len + 1] = '\0';
-    *from_unit = find_unit(from_part);
-    if (*from_unit) break;
-    end = start;
-  }
+    char *end = from_part + strlen(from_part);
+    while (end > from_part) {
+      while (end > from_part && is_whitespace(end[-1]))
+        end--;
+      if (end <= from_part)
+        break;
+      char *start = end;
+      while (start > from_part && !is_whitespace(start[-1]))
+        start--;
+      size_t word_len = end - start;
+      memmove(from_part + word_len + 1, from_part, start - from_part);
+      from_part[word_len] = ' ';
+      from_part[word_len + 1] = '\0';
+      *from_unit = find_unit(from_part);
+      if (*from_unit)
+        break;
+      end = start;
+    }
   }
 
-  if (!*from_unit) return 0;
+  if (!*from_unit)
+    return 0;
 
-  while (*to_pos && is_whitespace(*to_pos)) to_pos++;
+  while (*to_pos && is_whitespace(*to_pos))
+    to_pos++;
 
-  if (!*to_pos) return 0;
+  if (!*to_pos)
+    return 0;
 
   char to_part[64] = {0};
   size_t to_len = 0;
   const char *tp = to_pos;
   while (*tp && !is_separator(*tp) && to_len < 63) {
-  to_part[to_len++] = *tp++;
+    to_part[to_len++] = *tp++;
   }
   to_part[to_len] = '\0';
 
   *to_unit = find_unit(to_part);
   if (!*to_unit) {
-  const char *try_ptr = to_pos;
-  while (*try_ptr && is_whitespace(*try_ptr)) try_ptr++;
-  char try_buf[64] = {0};
-  size_t try_len = 0;
-  while (*try_ptr && try_len < 63) {
-    try_buf[try_len++] = *try_ptr++;
-  }
-  while (try_len > 0) {
-    *to_unit = find_unit(try_buf);
-    if (*to_unit) {
-    strcpy(to_part, try_buf);
-    break;
+    const char *try_ptr = to_pos;
+    while (*try_ptr && is_whitespace(*try_ptr))
+      try_ptr++;
+    char try_buf[64] = {0};
+    size_t try_len = 0;
+    while (*try_ptr && try_len < 63) {
+      try_buf[try_len++] = *try_ptr++;
+    }
+    while (try_len > 0) {
+      *to_unit = find_unit(try_buf);
+      if (*to_unit) {
+        strcpy(to_part, try_buf);
+        break;
+      }
+      char *last_space = strrchr(try_buf, ' ');
+      if (!last_space)
+        break;
+      *last_space = '\0';
+      try_len = strlen(try_buf);
     }
-    char *last_space = strrchr(try_buf, ' ');
-    if (!last_space) break;
-    *last_space = '\0';
-    try_len = strlen(try_buf);
-  }
   }
 
   return *to_unit ? 1 : 0;
 }
 
-static double convert_temp(double value, const UnitDef *from, const UnitDef *to) {
+static double convert_temp(double value, const UnitDef *from,
+                           const UnitDef *to) {
   double celsius = 0;
 
-  if (strcmp(from->name, "celsius") == 0) celsius = value;
-  else if (strcmp(from->name, "fahrenheit") == 0) celsius = (value - 32) * 5.0 / 9.0;
-  else if (strcmp(from->name, "kelvin") == 0) celsius = value - 273.15;
-
-  if (strcmp(to->name, "celsius") == 0) return celsius;
-  else if (strcmp(to->name, "fahrenheit") == 0) return celsius * 9.0 / 5.0 + 32;
-  else if (strcmp(to->name, "kelvin") == 0) return celsius + 273.15;
+  if (strcmp(from->name, "celsius") == 0)
+    celsius = value;
+  else if (strcmp(from->name, "fahrenheit") == 0)
+    celsius = (value - 32) * 5.0 / 9.0;
+  else if (strcmp(from->name, "kelvin") == 0)
+    celsius = value - 273.15;
+
+  if (strcmp(to->name, "celsius") == 0)
+    return celsius;
+  else if (strcmp(to->name, "fahrenheit") == 0)
+    return celsius * 9.0 / 5.0 + 32;
+  else if (strcmp(to->name, "kelvin") == 0)
+    return celsius + 273.15;
   return 0;
 }
 
-static double convert_value(double value, const UnitDef *from, const UnitDef *to) {
-  if (from->type != to->type) return 0;
+static double convert_value(double value, const UnitDef *from,
+                            const UnitDef *to) {
+  if (from->type != to->type)
+    return 0;
 
   if (from->type == UNIT_TEMP) {
-  return convert_temp(value, from, to);
+    return convert_temp(value, from, to);
   }
 
   double base_value = value * from->to_base;
@@ -351,112 +408,124 @@ static double convert_value(double value, const UnitDef *from, const UnitDef *to
 }
 
 static void format_number(double val, char *buf, size_t bufsize) {
-  if (bufsize == 0) return;
+  if (bufsize == 0)
+    return;
   if (val == 0) {
-  snprintf(buf, bufsize, "0");
-  return;
+    snprintf(buf, bufsize, "0");
+    return;
   }
   if (fabs(val) < 0.01 && fabs(val) > 0) {
-  snprintf(buf, bufsize, "%.2g", val);
+    snprintf(buf, bufsize, "%.2g", val);
   } else if (fabs(val) < 1) {
-  snprintf(buf, bufsize, "%.2f", val);
-  char *p = buf + strlen(buf) - 1;
-  while (p > buf && *p == '0') *p-- = '\0';
-  if (*p == '.') *p = '\0';
+    snprintf(buf, bufsize, "%.2f", val);
+    char *p = buf + strlen(buf) - 1;
+    while (p > buf && *p == '0')
+      *p-- = '\0';
+    if (*p == '.')
+      *p = '\0';
   } else if (fmod(val + 0.0001, 1.0) < 0.0002) {
-  snprintf(buf, bufsize, "%.0f", val);
+    snprintf(buf, bufsize, "%.0f", val);
   } else {
-  snprintf(buf, bufsize, "%.2f", val);
-  char *p = buf + strlen(buf) - 1;
-  while (p > buf && *p == '0') *p-- = '\0';
-  if (*p == '.') *p = '\0';
+    snprintf(buf, bufsize, "%.2f", val);
+    char *p = buf + strlen(buf) - 1;
+    while (p > buf && *p == '0')
+      *p-- = '\0';
+    if (*p == '.')
+      *p = '\0';
   }
 }
 
-static const char *pluralize(const char *unit, double value, char *buf, size_t bufsize) {
+static const char *pluralize(const char *unit, double value, char *buf,
+                             size_t bufsize) {
   int is_one = (fabs(value - 1.0) < 0.0001 || fabs(value + 1.0) < 0.0001);
 
   size_t len = strlen(unit);
-  if (len == 0 || bufsize == 0) return unit;
+  if (len == 0 || bufsize == 0)
+    return unit;
 
   strncpy(buf, unit, bufsize - 1);
   buf[bufsize - 1] = '\0';
 
   if (strcmp(unit, "foot") == 0 || strcmp(unit, "square foot") == 0) {
-  if (is_one) strcpy(buf, unit);
-  else strcpy(buf, strcmp(unit, "square foot") == 0 ? "square feet" : "feet");
-  return buf;
+    if (is_one)
+      strcpy(buf, unit);
+    else
+      strcpy(buf, strcmp(unit, "square foot") == 0 ? "square feet" : "feet");
+    return buf;
   }
   if (strcmp(unit, "inch") == 0 || strcmp(unit, "square inch") == 0) {
-  if (is_one) strcpy(buf, unit);
-  else strcpy(buf, strcmp(unit, "square inch") == 0 ? "square inches" : "inches");
-  return buf;
+    if (is_one)
+      strcpy(buf, unit);
+    else
+      strcpy(buf,
+             strcmp(unit, "square inch") == 0 ? "square inches" : "inches");
+    return buf;
   }
   if (strcmp(unit, "stone") == 0) {
-  if (is_one) strcpy(buf, "stone");
-  else strcpy(buf, "stones");
-  return buf;
-  }
-  if (strcmp(unit, "celsius") == 0 ||
-    strcmp(unit, "fahrenheit") == 0 ||
-    strcmp(unit, "kelvin") == 0) {
-  strcpy(buf, unit);
-  return buf;
-  }
-
-  if (unit[len-1] == 's' ||
-    unit[len-1] == 'x' ||
-    unit[len-1] == 'z' ||
-    (len >= 2 && unit[len-2] == 'c' && unit[len-1] == 'h') ||
-    (len >= 2 && unit[len-2] == 's' && unit[len-1] == 'h')) {
-  if (!is_one) {
-    buf[len] = 'e';
-    buf[len+1] = '\0';
-  }
-  } else if (unit[len-1] == 'y' && len >= 2 &&
-       !(unit[len-2] == 'a' || unit[len-2] == 'e' ||
-         unit[len-2] == 'i' || unit[len-2] == 'o' ||
-         unit[len-2] == 'u')) {
-  if (is_one) {
-    buf[len-1] = '\0';
-  } else {
-    buf[len] = 's';
-    buf[len+1] = '\0';
-  }
-  } else if (len >= 2 && unit[len-2] == 'f' && unit[len-1] == 'e') {
-  if (is_one) {
-    buf[len-2] = '\0';
-  } else {
-    buf[len-1] = 's';
-    buf[len] = '\0';
-  }
-  } else if (unit[len-1] == 'f' && len >= 1) {
-  if (is_one) {
-    buf[len-1] = '\0';
-  } else {
-    buf[len-1] = 'v';
-    buf[len] = 'e';
-    buf[len+1] = 's';
-    buf[len+2] = '\0';
-  }
-  } else if (unit[len-1] == 'e' && len >= 2 && unit[len-2] == 'f') {
-  if (is_one) {
-    buf[len-2] = '\0';
-  } else {
-    buf[len-1] = 's';
-    buf[len] = '\0';
-  }
+    if (is_one)
+      strcpy(buf, "stone");
+    else
+      strcpy(buf, "stones");
+    return buf;
+  }
+  if (strcmp(unit, "celsius") == 0 || strcmp(unit, "fahrenheit") == 0 ||
+      strcmp(unit, "kelvin") == 0) {
+    strcpy(buf, unit);
+    return buf;
+  }
+
+  if (unit[len - 1] == 's' || unit[len - 1] == 'x' || unit[len - 1] == 'z' ||
+      (len >= 2 && unit[len - 2] == 'c' && unit[len - 1] == 'h') ||
+      (len >= 2 && unit[len - 2] == 's' && unit[len - 1] == 'h')) {
+    if (!is_one) {
+      buf[len] = 'e';
+      buf[len + 1] = '\0';
+    }
+  } else if (unit[len - 1] == 'y' && len >= 2 &&
+             !(unit[len - 2] == 'a' || unit[len - 2] == 'e' ||
+               unit[len - 2] == 'i' || unit[len - 2] == 'o' ||
+               unit[len - 2] == 'u')) {
+    if (is_one) {
+      buf[len - 1] = '\0';
+    } else {
+      buf[len] = 's';
+      buf[len + 1] = '\0';
+    }
+  } else if (len >= 2 && unit[len - 2] == 'f' && unit[len - 1] == 'e') {
+    if (is_one) {
+      buf[len - 2] = '\0';
+    } else {
+      buf[len - 1] = 's';
+      buf[len] = '\0';
+    }
+  } else if (unit[len - 1] == 'f' && len >= 1) {
+    if (is_one) {
+      buf[len - 1] = '\0';
+    } else {
+      buf[len - 1] = 'v';
+      buf[len] = 'e';
+      buf[len + 1] = 's';
+      buf[len + 2] = '\0';
+    }
+  } else if (unit[len - 1] == 'e' && len >= 2 && unit[len - 2] == 'f') {
+    if (is_one) {
+      buf[len - 2] = '\0';
+    } else {
+      buf[len - 1] = 's';
+      buf[len] = '\0';
+    }
   } else {
-  if (!is_one) {
-    buf[len] = 's';
-    buf[len+1] = '\0';
-  }
+    if (!is_one) {
+      buf[len] = 's';
+      buf[len + 1] = '\0';
+    }
   }
 
   return buf;
 }
 
-static char *build_html(double value, const UnitDef *from, double result, const UnitDef *to) {
+static char *build_html(double value, const UnitDef *from, double result,
+                        const UnitDef *to) {
   static char html[4096];
   char val_buf[64], res_buf[64], from_name_buf[64], to_name_buf[64];
   format_number(value, val_buf, sizeof(val_buf));
@@ -466,30 +535,34 @@ static char *build_html(double value, const UnitDef *from, double result, const
   pluralize(to->name, result, to_name_buf, sizeof(to_name_buf));
 
   int n = snprintf(html, sizeof(html),
-  "<div class='unit-conv-container' style='line-height: 1.6;'>"
-  "<div style='font-size: 1.3em; margin-bottom: 8px;'>"
-  "<b>%s %s</b> = <b>%s %s</b>"
-  "</div>",
-  val_buf, from_name_buf,
-  res_buf, to_name_buf);
+                   "<div class='unit-conv-container' style='line-height: 1.6;'>"
+                   "<div style='font-size: 1.3em; margin-bottom: 8px;'>"
+                   "<b>%s %s</b> = <b>%s %s</b>"
+                   "</div>",
+                   val_buf, from_name_buf, res_buf, to_name_buf);
   snprintf(html + n, sizeof(html) - n, "</div>");
   return html;
 }
 
 InfoBox fetch_unit_conv_data(const char *query) {
   InfoBox info = {NULL, NULL, NULL, NULL};
-  if (!query) return info;
+  if (!query)
+    return info;
 
   double value = 0;
   const UnitDef *from = NULL;
   const UnitDef *to = NULL;
 
-  if (!parse_conversion_query(query, &value, &from, &to)) return info;
-  if (!from || !to) return info;
-  if (from->type != to->type) return info;
+  if (!parse_conversion_query(query, &value, &from, &to))
+    return info;
+  if (!from || !to)
+    return info;
+  if (from->type != to->type)
+    return info;
 
   double result = convert_value(value, from, to);
-  if (result == 0 && value != 0 && from->type != UNIT_TEMP) return info;
+  if (result == 0 && value != 0 && from->type != UNIT_TEMP)
+    return info;
 
   info.title = strdup("Unit Conversion");
   info.extract = strdup(build_html(value, from, result, to));

src/Infobox/Wikipedia.c

@@ -14,41 +14,43 @@ struct WikiMemoryStruct {
 };
 
 static void shorten_summary(char **extract_ptr, int max_chars) {
-  if (!extract_ptr || !*extract_ptr) return;
+  if (!extract_ptr || !*extract_ptr)
+    return;
 
   char *text = *extract_ptr;
   int len = strlen(text);
 
-  if (len <= max_chars) return;
+  if (len <= max_chars)
+    return;
 
   int end_pos = max_chars;
   for (int i = max_chars; i > (max_chars / 2); i--) {
-  if (text[i] == '.' || text[i] == '!' || text[i] == '?') {
-    end_pos = i + 1;
-    break;
-  }
+    if (text[i] == '.' || text[i] == '!' || text[i] == '?') {
+      end_pos = i + 1;
+      break;
+    }
   }
 
   char *new_text = (char *)malloc(end_pos + 4);
 
   if (new_text) {
-  strncpy(new_text, text, end_pos);
-  new_text[end_pos] = '\0';
-  strcat(new_text, "...");
-  free(*extract_ptr);
-  *extract_ptr = new_text;
+    strncpy(new_text, text, end_pos);
+    new_text[end_pos] = '\0';
+    strcat(new_text, "...");
+    free(*extract_ptr);
+    *extract_ptr = new_text;
   }
 }
 
 static size_t WikiWriteMemoryCallback(void *contents, size_t size, size_t nmemb,
-                    void *userp) {
+                                      void *userp) {
   size_t realsize = size * nmemb;
   struct WikiMemoryStruct *mem = (struct WikiMemoryStruct *)userp;
 
   char *ptr = realloc(mem->memory, mem->size + realsize + 1);
   if (ptr == NULL) {
-  fprintf(stderr, "Not enough memory (realloc returned NULL)\n");
-  return 0;
+    fprintf(stderr, "Not enough memory (realloc returned NULL)\n");
+    return 0;
   }
 
   mem->memory = ptr;
@@ -63,48 +65,49 @@ static void extract_wiki_info(xmlNode *node, InfoBox *info) {
   xmlNode *cur_node = NULL;
 
   for (cur_node = node; cur_node; cur_node = cur_node->next) {
-  if (cur_node->type == XML_ELEMENT_NODE) {
-    if (strcmp((const char *)cur_node->name, "page") == 0) {
-    xmlChar *title = xmlGetProp(cur_node, (const xmlChar *)"title");
-    if (title) {
-      info->title = strdup((const char *)title);
-
-      const char *base_article_url = "https://en.wikipedia.org/wiki/";
-      char *formatted_title = strdup((const char *)title);
-      for (int i = 0; formatted_title[i]; i++) {
-      if (formatted_title[i] == ' ') formatted_title[i] = '_';
+    if (cur_node->type == XML_ELEMENT_NODE) {
+      if (strcmp((const char *)cur_node->name, "page") == 0) {
+        xmlChar *title = xmlGetProp(cur_node, (const xmlChar *)"title");
+        if (title) {
+          info->title = strdup((const char *)title);
+
+          const char *base_article_url = "https://en.wikipedia.org/wiki/";
+          char *formatted_title = strdup((const char *)title);
+          for (int i = 0; formatted_title[i]; i++) {
+            if (formatted_title[i] == ' ')
+              formatted_title[i] = '_';
+          }
+
+          info->url =
+              malloc(strlen(base_article_url) + strlen(formatted_title) + 1);
+          if (info->url) {
+            strcpy(info->url, base_article_url);
+            strcat(info->url, formatted_title);
+          }
+          free(formatted_title);
+          xmlFree(title);
+        }
       }
 
-      info->url =
-        malloc(strlen(base_article_url) + strlen(formatted_title) + 1);
-      if (info->url) {
-      strcpy(info->url, base_article_url);
-      strcat(info->url, formatted_title);
+      if (strcmp((const char *)cur_node->name, "thumbnail") == 0) {
+        xmlChar *source = xmlGetProp(cur_node, (const xmlChar *)"source");
+        if (source) {
+          info->thumbnail_url = strdup((const char *)source);
+          xmlFree(source);
+        }
       }
-      free(formatted_title);
-      xmlFree(title);
-    }
-    }
-
-    if (strcmp((const char *)cur_node->name, "thumbnail") == 0) {
-    xmlChar *source = xmlGetProp(cur_node, (const xmlChar *)"source");
-    if (source) {
-      info->thumbnail_url = strdup((const char *)source);
-      xmlFree(source);
-    }
-    }
 
-    if (strcmp((const char *)cur_node->name, "extract") == 0) {
-    xmlChar *content = xmlNodeGetContent(cur_node);
-    if (content) {
-      info->extract = strdup((const char *)content);
+      if (strcmp((const char *)cur_node->name, "extract") == 0) {
+        xmlChar *content = xmlNodeGetContent(cur_node);
+        if (content) {
+          info->extract = strdup((const char *)content);
 
-      shorten_summary(&(info->extract), 300);
-      xmlFree(content);
-    }
+          shorten_summary(&(info->extract), 300);
+          xmlFree(content);
+        }
+      }
     }
-  }
-  extract_wiki_info(cur_node->children, info);
+    extract_wiki_info(cur_node->children, info);
   }
 }
 
@@ -120,27 +123,27 @@ InfoBox fetch_wiki_data(char *api_url) {
   curl_handle = curl_easy_init();
 
   if (curl_handle) {
-  curl_easy_setopt(curl_handle, CURLOPT_URL, api_url);
-  curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION,
-           WikiWriteMemoryCallback);
-  curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
-  curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "libcurl-agent/1.0");
-  apply_proxy_settings(curl_handle);
-
-  res = curl_easy_perform(curl_handle);
-
-  if (res == CURLE_OK) {
-    xmlDocPtr doc =
-      xmlReadMemory(chunk.memory, chunk.size, "noname.xml", NULL, 0);
-    if (doc != NULL) {
-    xmlNode *root_element = xmlDocGetRootElement(doc);
-    extract_wiki_info(root_element, &info);
-    xmlFreeDoc(doc);
+    curl_easy_setopt(curl_handle, CURLOPT_URL, api_url);
+    curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION,
+                     WikiWriteMemoryCallback);
+    curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
+    curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "libcurl-agent/1.0");
+    apply_proxy_settings(curl_handle);
+
+    res = curl_easy_perform(curl_handle);
+
+    if (res == CURLE_OK) {
+      xmlDocPtr doc =
+          xmlReadMemory(chunk.memory, chunk.size, "noname.xml", NULL, 0);
+      if (doc != NULL) {
+        xmlNode *root_element = xmlDocGetRootElement(doc);
+        extract_wiki_info(root_element, &info);
+        xmlFreeDoc(doc);
+      }
     }
-  }
 
-  curl_easy_cleanup(curl_handle);
-  free(chunk.memory);
+    curl_easy_cleanup(curl_handle);
+    free(chunk.memory);
   }
 
   return info;
@@ -148,18 +151,18 @@ InfoBox fetch_wiki_data(char *api_url) {
 
 char *construct_wiki_url(const char *search_term) {
   CURL *curl = curl_easy_init();
-  if (!curl) return NULL;
+  if (!curl)
+    return NULL;
 
   char *escaped_term = curl_easy_escape(curl, search_term, 0);
-  const char *base =
-    "https://en.wikipedia.org/w/"
-    "api.php?action=query&prop=extracts|pageimages&exintro&"
-    "explaintext&pithumbsize=400&format=xml&origin=*&titles=";
+  const char *base = "https://en.wikipedia.org/w/"
+                     "api.php?action=query&prop=extracts|pageimages&exintro&"
+                     "explaintext&pithumbsize=400&format=xml&origin=*&titles=";
 
   char *full_url = malloc(strlen(base) + strlen(escaped_term) + 1);
   if (full_url) {
-  strcpy(full_url, base);
-  strcat(full_url, escaped_term);
+    strcpy(full_url, base);
+    strcat(full_url, escaped_term);
   }
 
   curl_free(escaped_term);

src/Main.c

@@ -7,15 +7,16 @@
 
 #include "Config.h"
 #include "Proxy/Proxy.h"
-#include "Scraping/Scraping.h"
 #include "Routes/Home.h"
-#include "Routes/Images.h"
 #include "Routes/ImageProxy.h"
+#include "Routes/Images.h"
 #include "Routes/Search.h"
+#include "Scraping/Scraping.h"
 
 int handle_opensearch(UrlParams *params) {
   (void)params;
-  serve_static_file_with_mime("opensearch.xml", "application/opensearchdescription+xml");
+  serve_static_file_with_mime("opensearch.xml",
+                              "application/opensearchdescription+xml");
   return 0;
 }
 
@@ -30,33 +31,35 @@ int main() {
 
   curl_global_init(CURL_GLOBAL_DEFAULT);
 
-  Config config = {
-  .host = "0.0.0.0",
-  .port = 5000,
-  .proxy = "",
-  .proxy_list_file = "",
-  .max_proxy_retries = 3,
-  .randomize_username = 0,
-  .randomize_password = 0
-  };
-  
+  Config config = {.host = "0.0.0.0",
+                   .port = 5000,
+                   .proxy = "",
+                   .proxy_list_file = "",
+                   .max_proxy_retries = 3,
+                   .randomize_username = 0,
+                   .randomize_password = 0};
+
   if (load_config("config.ini", &config) != 0) {
-  fprintf(stderr, "Warning: Could not load config file, using defaults\n");
+    fprintf(stderr, "Warning: Could not load config file, using defaults\n");
   }
 
   if (config.proxy_list_file[0] != '\0') {
-  if (load_proxy_list(config.proxy_list_file) < 0) {
-    fprintf(stderr, "Warning: Failed to load proxy list, continuing without proxies\n");
-  }
+    if (load_proxy_list(config.proxy_list_file) < 0) {
+      fprintf(
+          stderr,
+          "Warning: Failed to load proxy list, continuing without proxies\n");
+    }
   }
 
   max_proxy_retries = config.max_proxy_retries;
-  set_proxy_config(config.proxy, config.randomize_username, config.randomize_password);
+  set_proxy_config(config.proxy, config.randomize_username,
+                   config.randomize_password);
 
   if (proxy_url[0] != '\0') {
-  fprintf(stderr, "Using proxy: %s\n", proxy_url);
+    fprintf(stderr, "Using proxy: %s\n", proxy_url);
   } else if (proxy_count > 0) {
-  fprintf(stderr, "Using %d proxies from %s\n", proxy_count, config.proxy_list_file);
+    fprintf(stderr, "Using %d proxies from %s\n", proxy_count,
+            config.proxy_list_file);
   }
 
   set_handler("/", home_handler);
@@ -70,14 +73,14 @@ int main() {
   int result = beaker_run(config.host, config.port);
 
   if (result != 0) {
-  fprintf(stderr, "Error: Beaker server failed to start.\n");
-  curl_global_cleanup();
-  xmlCleanupParser();
-  return EXIT_FAILURE;
+    fprintf(stderr, "Error: Beaker server failed to start.\n");
+    curl_global_cleanup();
+    xmlCleanupParser();
+    return EXIT_FAILURE;
   }
 
   curl_global_cleanup();
   xmlCleanupParser();
   free_proxy_list();
   return EXIT_SUCCESS;
-}
+}

src/Proxy/Proxy.c

@@ -1,9 +1,9 @@
 #include "Proxy.h"
+#include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
-#include <pthread.h>
 
 Proxy *proxy_list = NULL;
 int proxy_count = 0;
@@ -13,76 +13,85 @@ int randomize_password = 0;
 char proxy_url[512] = {0};
 static pthread_mutex_t proxy_mutex = PTHREAD_MUTEX_INITIALIZER;
 
-static const char RAND_CHARS[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+static const char RAND_CHARS[] =
+    "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
 
 static void generate_random_string(char *buf, size_t len) {
   for (size_t i = 0; i < len - 1; i++) {
-  buf[i] = RAND_CHARS[rand() % (sizeof(RAND_CHARS) - 1)];
+    buf[i] = RAND_CHARS[rand() % (sizeof(RAND_CHARS) - 1)];
   }
   buf[len - 1] = '\0';
 }
 
 void set_proxy_config(const char *proxy_str, int rand_user, int rand_pass) {
   if (proxy_str && proxy_str[0]) {
-  strncpy(proxy_url, proxy_str, sizeof(proxy_url) - 1);
-  proxy_url[sizeof(proxy_url) - 1] = '\0';
+    strncpy(proxy_url, proxy_str, sizeof(proxy_url) - 1);
+    proxy_url[sizeof(proxy_url) - 1] = '\0';
   }
   randomize_username = rand_user;
   randomize_password = rand_pass;
 }
 
 static Proxy parse_proxy_line(const char *line) {
-  Proxy proxy = {.type = PROXY_SOCKS5, .port = 0, .username[0] = '\0', .password[0] = '\0', .failures = 0};
+  Proxy proxy = {.type = PROXY_SOCKS5,
+                 .port = 0,
+                 .username[0] = '\0',
+                 .password[0] = '\0',
+                 .failures = 0};
   const char *host_start = NULL;
   const char *port_start = NULL;
 
   size_t len = strlen(line);
-  if (len == 0) return proxy;
+  if (len == 0)
+    return proxy;
 
   if (strncmp(line, "http://", 7) == 0) {
-  proxy.type = PROXY_HTTP;
-  host_start = line + 7;
+    proxy.type = PROXY_HTTP;
+    host_start = line + 7;
   } else if (strncmp(line, "socks5://", 9) == 0) {
-  proxy.type = PROXY_SOCKS5;
-  host_start = line + 9;
+    proxy.type = PROXY_SOCKS5;
+    host_start = line + 9;
   } else if (strncmp(line, "socks4://", 9) == 0) {
-  proxy.type = PROXY_SOCKS4;
-  host_start = line + 9;
+    proxy.type = PROXY_SOCKS4;
+    host_start = line + 9;
   } else {
-  host_start = line;
+    host_start = line;
   }
 
   const char *at = strchr(host_start, '@');
   if (at) {
-  char cred_buf[128];
-  size_t cred_len = at - host_start;
-  if (cred_len >= sizeof(cred_buf)) cred_len = sizeof(cred_buf) - 1;
-  strncpy(cred_buf, host_start, cred_len);
-  cred_buf[cred_len] = '\0';
-  
-  char *colon = strchr(cred_buf, ':');
-  if (colon) {
-    size_t user_len = colon - cred_buf;
-    if (user_len >= sizeof(proxy.username)) user_len = sizeof(proxy.username) - 1;
-    strncpy(proxy.username, cred_buf, user_len);
-    proxy.username[user_len] = '\0';
-    strncpy(proxy.password, colon + 1, sizeof(proxy.password) - 1);
-    proxy.password[sizeof(proxy.password) - 1] = '\0';
-  }
-  host_start = at + 1;
+    char cred_buf[128];
+    size_t cred_len = at - host_start;
+    if (cred_len >= sizeof(cred_buf))
+      cred_len = sizeof(cred_buf) - 1;
+    strncpy(cred_buf, host_start, cred_len);
+    cred_buf[cred_len] = '\0';
+
+    char *colon = strchr(cred_buf, ':');
+    if (colon) {
+      size_t user_len = colon - cred_buf;
+      if (user_len >= sizeof(proxy.username))
+        user_len = sizeof(proxy.username) - 1;
+      strncpy(proxy.username, cred_buf, user_len);
+      proxy.username[user_len] = '\0';
+      strncpy(proxy.password, colon + 1, sizeof(proxy.password) - 1);
+      proxy.password[sizeof(proxy.password) - 1] = '\0';
+    }
+    host_start = at + 1;
   }
 
   port_start = strchr(host_start, ':');
   if (port_start) {
-  char host_buf[256];
-  size_t host_len = port_start - host_start;
-  if (host_len >= sizeof(host_buf)) host_len = sizeof(host_buf) - 1;
-  strncpy(host_buf, host_start, host_len);
-  host_buf[host_len] = '\0';
-  snprintf(proxy.host, sizeof(proxy.host), "%.*s", (int)host_len, host_buf);
-  proxy.port = atoi(port_start + 1);
+    char host_buf[256];
+    size_t host_len = port_start - host_start;
+    if (host_len >= sizeof(host_buf))
+      host_len = sizeof(host_buf) - 1;
+    strncpy(host_buf, host_start, host_len);
+    host_buf[host_len] = '\0';
+    snprintf(proxy.host, sizeof(proxy.host), "%.*s", (int)host_len, host_buf);
+    proxy.port = atoi(port_start + 1);
   } else {
-  snprintf(proxy.host, sizeof(proxy.host), "%s", host_start);
+    snprintf(proxy.host, sizeof(proxy.host), "%s", host_start);
   }
 
   return proxy;
@@ -90,71 +99,73 @@ static Proxy parse_proxy_line(const char *line) {
 
 int load_proxy_list(const char *filename) {
   if (!filename || filename[0] == '\0') {
-  return 0;
+    return 0;
   }
 
   pthread_mutex_lock(&proxy_mutex);
 
   if (proxy_list) {
-  free(proxy_list);
-  proxy_list = NULL;
+    free(proxy_list);
+    proxy_list = NULL;
   }
   proxy_count = 0;
 
   FILE *file = fopen(filename, "r");
   if (!file) {
-  pthread_mutex_unlock(&proxy_mutex);
-  fprintf(stderr, "[WARN] Could not open proxy list file: %s\n", filename);
-  return -1;
+    pthread_mutex_unlock(&proxy_mutex);
+    fprintf(stderr, "[WARN] Could not open proxy list file: %s\n", filename);
+    return -1;
   }
 
   int capacity = 16;
   proxy_list = (Proxy *)malloc(capacity * sizeof(Proxy));
   if (!proxy_list) {
-  fclose(file);
-  return -1;
+    fclose(file);
+    return -1;
   }
   proxy_count = 0;
 
   char line[512];
   while (fgets(line, sizeof(line), file)) {
-  line[strcspn(line, "\r\n")] = 0;
+    line[strcspn(line, "\r\n")] = 0;
 
-  if (line[0] == '\0' || line[0] == '#') {
-    continue;
-  }
+    if (line[0] == '\0' || line[0] == '#') {
+      continue;
+    }
 
-  char *p = line;
-  while (*p == ' ' || *p == '\t') p++;
+    char *p = line;
+    while (*p == ' ' || *p == '\t')
+      p++;
 
-  char *end = p + strlen(p) - 1;
-  while (end > p && (*end == ' ' || *end == '\t')) {
-    *end = '\0';
-    end--;
-  }
+    char *end = p + strlen(p) - 1;
+    while (end > p && (*end == ' ' || *end == '\t')) {
+      *end = '\0';
+      end--;
+    }
 
-  if (p[0] == '\0') continue;
+    if (p[0] == '\0')
+      continue;
 
-  Proxy proxy = parse_proxy_line(p);
-  if (proxy.port == 0) {
-    continue;
-  }
+    Proxy proxy = parse_proxy_line(p);
+    if (proxy.port == 0) {
+      continue;
+    }
 
-  if (proxy_count >= capacity) {
-    capacity *= 2;
-    Proxy *new_list = (Proxy *)realloc(proxy_list, capacity * sizeof(Proxy));
-    if (!new_list) {
-    free(proxy_list);
-    proxy_list = NULL;
-    proxy_count = 0;
-    fclose(file);
-    pthread_mutex_unlock(&proxy_mutex);
-    return -1;
+    if (proxy_count >= capacity) {
+      capacity *= 2;
+      Proxy *new_list = (Proxy *)realloc(proxy_list, capacity * sizeof(Proxy));
+      if (!new_list) {
+        free(proxy_list);
+        proxy_list = NULL;
+        proxy_count = 0;
+        fclose(file);
+        pthread_mutex_unlock(&proxy_mutex);
+        return -1;
+      }
+      proxy_list = new_list;
     }
-    proxy_list = new_list;
-  }
 
-  proxy_list[proxy_count++] = proxy;
+    proxy_list[proxy_count++] = proxy;
   }
 
   fclose(file);
@@ -166,8 +177,8 @@ int load_proxy_list(const char *filename) {
 void free_proxy_list(void) {
   pthread_mutex_lock(&proxy_mutex);
   if (proxy_list) {
-  free(proxy_list);
-  proxy_list = NULL;
+    free(proxy_list);
+    proxy_list = NULL;
   }
   proxy_count = 0;
   pthread_mutex_unlock(&proxy_mutex);
@@ -176,8 +187,8 @@ void free_proxy_list(void) {
 Proxy *get_random_proxy(void) {
   pthread_mutex_lock(&proxy_mutex);
   if (proxy_count == 0) {
-  pthread_mutex_unlock(&proxy_mutex);
-  return NULL;
+    pthread_mutex_unlock(&proxy_mutex);
+    return NULL;
   }
 
   int start = rand() % proxy_count;
@@ -185,19 +196,19 @@ Proxy *get_random_proxy(void) {
   Proxy *selected = NULL;
 
   while (checked < proxy_count) {
-  int idx = (start + checked) % proxy_count;
-  if (proxy_list[idx].failures < max_proxy_retries) {
-    selected = &proxy_list[idx];
-    break;
-  }
-  checked++;
+    int idx = (start + checked) % proxy_count;
+    if (proxy_list[idx].failures < max_proxy_retries) {
+      selected = &proxy_list[idx];
+      break;
+    }
+    checked++;
   }
 
   if (!selected) {
-  for (int i = 0; i < proxy_count; i++) {
-    proxy_list[i].failures = 0;
-  }
-  selected = &proxy_list[rand() % proxy_count];
+    for (int i = 0; i < proxy_count; i++) {
+      proxy_list[i].failures = 0;
+    }
+    selected = &proxy_list[rand() % proxy_count];
   }
 
   pthread_mutex_unlock(&proxy_mutex);
@@ -205,7 +216,8 @@ Proxy *get_random_proxy(void) {
 }
 
 void record_proxy_failure(Proxy *proxy) {
-  if (!proxy) return;
+  if (!proxy)
+    return;
   pthread_mutex_lock(&proxy_mutex);
   proxy->failures++;
   pthread_mutex_unlock(&proxy_mutex);
@@ -213,45 +225,49 @@ void record_proxy_failure(Proxy *proxy) {
 
 void apply_proxy_settings(CURL *curl) {
   if (proxy_url[0] != '\0') {
-  curl_easy_setopt(curl, CURLOPT_PROXY, proxy_url);
-  if (strncmp(proxy_url, "socks5://", 9) == 0) {
-    curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
-  } else if (strncmp(proxy_url, "socks4://", 9) == 0) {
-    curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
-  } else {
-    curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
-  }
+    curl_easy_setopt(curl, CURLOPT_PROXY, proxy_url);
+    if (strncmp(proxy_url, "socks5://", 9) == 0) {
+      curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
+    } else if (strncmp(proxy_url, "socks4://", 9) == 0) {
+      curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
+    } else {
+      curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
+    }
 
-  if (randomize_username || randomize_password) {
-    char userpwd[256];
-    char username[32] = {0};
-    char password[32] = {0};
+    if (randomize_username || randomize_password) {
+      char userpwd[256];
+      char username[32] = {0};
+      char password[32] = {0};
 
-    if (randomize_username) generate_random_string(username, sizeof(username));
-    if (randomize_password) generate_random_string(password, sizeof(password));
+      if (randomize_username)
+        generate_random_string(username, sizeof(username));
+      if (randomize_password)
+        generate_random_string(password, sizeof(password));
 
-    snprintf(userpwd, sizeof(userpwd), "%s:%s", username, password);
-    curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, userpwd);
-  }
-  } else if (proxy_count > 0) {
-  Proxy *proxy = get_random_proxy();
-  if (proxy) {
-    char proxy_url_buf[512];
-    snprintf(proxy_url_buf, sizeof(proxy_url_buf), "%s:%d", proxy->host, proxy->port);
-    curl_easy_setopt(curl, CURLOPT_PROXY, proxy_url_buf);
-    if (proxy->type == PROXY_HTTP) {
-    curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
-    } else if (proxy->type == PROXY_SOCKS4) {
-    curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
-    } else {
-    curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
+      snprintf(userpwd, sizeof(userpwd), "%s:%s", username, password);
+      curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, userpwd);
     }
-
-    if (proxy->username[0] != '\0' || proxy->password[0] != '\0') {
-    char userpwd[128];
-    snprintf(userpwd, sizeof(userpwd), "%s:%s", proxy->username, proxy->password);
-    curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, userpwd);
+  } else if (proxy_count > 0) {
+    Proxy *proxy = get_random_proxy();
+    if (proxy) {
+      char proxy_url_buf[512];
+      snprintf(proxy_url_buf, sizeof(proxy_url_buf), "%s:%d", proxy->host,
+               proxy->port);
+      curl_easy_setopt(curl, CURLOPT_PROXY, proxy_url_buf);
+      if (proxy->type == PROXY_HTTP) {
+        curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
+      } else if (proxy->type == PROXY_SOCKS4) {
+        curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4A);
+      } else {
+        curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
+      }
+
+      if (proxy->username[0] != '\0' || proxy->password[0] != '\0') {
+        char userpwd[128];
+        snprintf(userpwd, sizeof(userpwd), "%s:%s", proxy->username,
+                 proxy->password);
+        curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, userpwd);
+      }
     }
   }
-  }
 }

src/Routes/ImageProxy.c

@@ -16,9 +16,9 @@ typedef struct {
 static int is_allowed_domain(const char *url) {
   const char *protocol = strstr(url, "://");
   if (!protocol) {
-  protocol = url;
+    protocol = url;
   } else {
-  protocol += 3;
+    protocol += 3;
   }
 
   const char *path = strchr(protocol, '/');
@@ -26,49 +26,46 @@ static int is_allowed_domain(const char *url) {
 
   char host[256] = {0};
   if (host_len >= sizeof(host)) {
-  host_len = sizeof(host) - 1;
+    host_len = sizeof(host) - 1;
   }
   strncpy(host, protocol, host_len);
 
-  const char *allowed_domains[] = {
-  "mm.bing.net",
-  "th.bing.com",
-  NULL
-  };
+  const char *allowed_domains[] = {"mm.bing.net", "th.bing.com", NULL};
 
   for (int i = 0; allowed_domains[i] != NULL; i++) {
-  size_t domain_len = strlen(allowed_domains[i]);
-  size_t host_str_len = strlen(host);
-
-  if (host_str_len >= domain_len) {
-    const char *suffix = host + host_str_len - domain_len;
-    if (strcmp(suffix, allowed_domains[i]) == 0) {
-    return 1;
+    size_t domain_len = strlen(allowed_domains[i]);
+    size_t host_str_len = strlen(host);
+
+    if (host_str_len >= domain_len) {
+      const char *suffix = host + host_str_len - domain_len;
+      if (strcmp(suffix, allowed_domains[i]) == 0) {
+        return 1;
+      }
     }
   }
-  }
 
   return 0;
 }
 
 static size_t write_callback(void *contents, size_t size, size_t nmemb,
-               void *userp) {
+                             void *userp) {
   size_t realsize = size * nmemb;
   MemoryBuffer *buf = (MemoryBuffer *)userp;
 
   if (buf->size + realsize > MAX_IMAGE_SIZE) {
-  return 0;
+    return 0;
   }
 
   if (buf->size + realsize > buf->capacity) {
-  size_t new_capacity = buf->capacity * 2;
-  if (new_capacity < buf->size + realsize) {
-    new_capacity = buf->size + realsize;
-  }
-  char *new_data = realloc(buf->data, new_capacity);
-  if (!new_data) return 0;
-  buf->data = new_data;
-  buf->capacity = new_capacity;
+    size_t new_capacity = buf->capacity * 2;
+    if (new_capacity < buf->size + realsize) {
+      new_capacity = buf->size + realsize;
+    }
+    char *new_data = realloc(buf->data, new_capacity);
+    if (!new_data)
+      return 0;
+    buf->data = new_data;
+    buf->capacity = new_capacity;
   }
 
   memcpy(buf->data + buf->size, contents, realsize);
@@ -79,38 +76,34 @@ static size_t write_callback(void *contents, size_t size, size_t nmemb,
 int image_proxy_handler(UrlParams *params) {
   const char *url = NULL;
   for (int i = 0; i < params->count; i++) {
-  if (strcmp(params->params[i].key, "url") == 0) {
-    url = params->params[i].value;
-    break;
-  }
+    if (strcmp(params->params[i].key, "url") == 0) {
+      url = params->params[i].value;
+      break;
+    }
   }
 
   if (!url || strlen(url) == 0) {
-  send_response("Missing 'url' parameter");
-  return 0;
+    send_response("Missing 'url' parameter");
+    return 0;
   }
 
   if (!is_allowed_domain(url)) {
-  send_response("Domain not allowed");
-  return 0;
+    send_response("Domain not allowed");
+    return 0;
   }
 
   CURL *curl = curl_easy_init();
   if (!curl) {
-  send_response("Failed to initialize curl");
-  return 0;
+    send_response("Failed to initialize curl");
+    return 0;
   }
 
-  MemoryBuffer buf = {
-  .data = malloc(8192),
-  .size = 0,
-  .capacity = 8192
-  };
+  MemoryBuffer buf = {.data = malloc(8192), .size = 0, .capacity = 8192};
 
   if (!buf.data) {
-  curl_easy_cleanup(curl);
-  send_response("Memory allocation failed");
-  return 0;
+    curl_easy_cleanup(curl);
+    send_response("Memory allocation failed");
+    return 0;
   }
 
   curl_easy_setopt(curl, CURLOPT_URL, url);
@@ -130,18 +123,19 @@ int image_proxy_handler(UrlParams *params) {
 
   char content_type[64] = {0};
   if (content_type_ptr) {
-  strncpy(content_type, content_type_ptr, sizeof(content_type) - 1);
+    strncpy(content_type, content_type_ptr, sizeof(content_type) - 1);
   }
 
   curl_easy_cleanup(curl);
 
   if (res != CURLE_OK || response_code != 200) {
-  free(buf.data);
-  send_response("Failed to fetch image");
-  return 0;
+    free(buf.data);
+    send_response("Failed to fetch image");
+    return 0;
   }
 
-  const char *mime_type = strlen(content_type) > 0 ? content_type : "image/jpeg";
+  const char *mime_type =
+      strlen(content_type) > 0 ? content_type : "image/jpeg";
   serve_data(buf.data, buf.size, mime_type);
 
   free(buf.data);

src/Routes/Images.c

@@ -1,7 +1,7 @@
 #include "Images.h"
-#include "../Utility/Unescape.h"
 #include "../Proxy/Proxy.h"
 #include "../Scraping/Scraping.h"
+#include "../Utility/Unescape.h"
 
 #include <curl/curl.h>
 #include <libxml/HTMLparser.h>
@@ -17,12 +17,12 @@ struct MemoryBlock {
 };
 
 static size_t ImageWriteCallback(void *data, size_t size, size_t nmemb,
-                 void *userp) {
+                                 void *userp) {
   size_t realsize = size * nmemb;
   struct MemoryBlock *mem = (struct MemoryBlock *)userp;
   char *ptr = (char *)realloc(mem->response, mem->size + realsize + 1);
   if (ptr == NULL) {
-  return 0;
+    return 0;
   }
   mem->response = ptr;
   memcpy(&(mem->response[mem->size]), data, realsize);
@@ -35,30 +35,30 @@ static char *fetch_images_html(const char *url) {
   CURL *curl_handle;
   struct MemoryBlock chunk = {.response = malloc(1), .size = 0};
   if (!chunk.response) {
-  return NULL;
+    return NULL;
   }
 
   curl_handle = curl_easy_init();
   if (!curl_handle) {
-  free(chunk.response);
-  return NULL;
+    free(chunk.response);
+    return NULL;
   }
 
   curl_easy_setopt(curl_handle, CURLOPT_URL, url);
   curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, ImageWriteCallback);
   curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
   curl_easy_setopt(
-    curl_handle, CURLOPT_USERAGENT,
-    "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko");
+      curl_handle, CURLOPT_USERAGENT,
+      "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko");
   curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1L);
   curl_easy_setopt(curl_handle, CURLOPT_TIMEOUT, 10L);
   apply_proxy_settings(curl_handle);
 
   CURLcode res = curl_easy_perform(curl_handle);
   if (res != CURLE_OK) {
-  free(chunk.response);
-  curl_easy_cleanup(curl_handle);
-  return NULL;
+    free(chunk.response);
+    curl_easy_cleanup(curl_handle);
+    return NULL;
   }
 
   curl_easy_cleanup(curl_handle);
@@ -71,15 +71,16 @@ int images_handler(UrlParams *params) {
   int page = 1;
 
   if (params) {
-  for (int i = 0; i < params->count; i++) {
-    if (strcmp(params->params[i].key, "q") == 0) {
-    raw_query = params->params[i].value;
-    } else if (strcmp(params->params[i].key, "p") == 0) {
-    int parsed = atoi(params->params[i].value);
-    if (parsed > 1) page = parsed;
+    for (int i = 0; i < params->count; i++) {
+      if (strcmp(params->params[i].key, "q") == 0) {
+        raw_query = params->params[i].value;
+      } else if (strcmp(params->params[i].key, "p") == 0) {
+        int parsed = atoi(params->params[i].value);
+        if (parsed > 1)
+          page = parsed;
+      }
     }
   }
-  }
 
   context_set(&ctx, "query", raw_query);
 
@@ -87,7 +88,7 @@ int images_handler(UrlParams *params) {
   snprintf(page_str, sizeof(page_str), "%d", page);
   snprintf(prev_str, sizeof(prev_str), "%d", page > 1 ? page - 1 : 0);
   snprintf(next_str, sizeof(next_str), "%d", page + 1);
-  context_set(&ctx, "page",    page_str);
+  context_set(&ctx, "page", page_str);
   context_set(&ctx, "prev_page", prev_str);
   context_set(&ctx, "next_page", next_str);
 
@@ -95,207 +96,239 @@ int images_handler(UrlParams *params) {
   context_set(&ctx, "query", display_query);
 
   if (!raw_query || strlen(raw_query) == 0) {
-  send_response("<h1>No query provided</h1>");
-  if (display_query) free(display_query);
-  free_context(&ctx);
-  return -1;
+    send_response("<h1>No query provided</h1>");
+    if (display_query)
+      free(display_query);
+    free_context(&ctx);
+    return -1;
   }
 
   CURL *tmp = curl_easy_init();
   if (!tmp) {
-  send_response("<h1>Error initializing curl</h1>");
-  if (display_query) free(display_query);
-  free_context(&ctx);
-  return -1;
+    send_response("<h1>Error initializing curl</h1>");
+    if (display_query)
+      free(display_query);
+    free_context(&ctx);
+    return -1;
   }
   char *encoded_query = curl_easy_escape(tmp, raw_query, 0);
   curl_easy_cleanup(tmp);
 
   if (!encoded_query) {
-  send_response("<h1>Error encoding query</h1>");
-  if (display_query) free(display_query);
-  free_context(&ctx);
-  return -1;
+    send_response("<h1>Error encoding query</h1>");
+    if (display_query)
+      free(display_query);
+    free_context(&ctx);
+    return -1;
   }
 
   char url[1024];
   int first = (page - 1) * 32 + 1;
-  snprintf(url, sizeof(url),
-       "https://www.bing.com/images/search?q=%s&first=%d", encoded_query, first);
+  snprintf(url, sizeof(url), "https://www.bing.com/images/search?q=%s&first=%d",
+           encoded_query, first);
 
   char *html = fetch_images_html(url);
   if (!html) {
-  send_response("<h1>Error fetching images</h1>");
-  free(encoded_query);
-  free(display_query);
-  free_context(&ctx);
-  return -1;
+    send_response("<h1>Error fetching images</h1>");
+    free(encoded_query);
+    free(display_query);
+    free_context(&ctx);
+    return -1;
   }
 
   htmlDocPtr doc = htmlReadMemory(html, (int)strlen(html), NULL, NULL,
-                  HTML_PARSE_RECOVER | HTML_PARSE_NOERROR);
+                                  HTML_PARSE_RECOVER | HTML_PARSE_NOERROR);
   if (!doc) {
-  free(html);
-  free(encoded_query);
-  free(display_query);
-  free_context(&ctx);
-  return -1;
+    free(html);
+    free(encoded_query);
+    free(display_query);
+    free_context(&ctx);
+    return -1;
   }
 
   xmlXPathContextPtr xpathCtx = xmlXPathNewContext(doc);
 
   if (!xpathCtx) {
-  xmlFreeDoc(doc);
-  free(html);
-  free(encoded_query);
-  free(display_query);
-  free_context(&ctx);
-  return -1;
+    xmlFreeDoc(doc);
+    free(html);
+    free(encoded_query);
+    free(display_query);
+    free_context(&ctx);
+    return -1;
   }
 
   xmlXPathObjectPtr xpathObj =
-    xmlXPathEvalExpression((const xmlChar *)"//div[@class='item']", xpathCtx);
+      xmlXPathEvalExpression((const xmlChar *)"//div[@class='item']", xpathCtx);
 
   int image_count = 0;
   char ***image_matrix = NULL;
   int *inner_counts = NULL;
 
   if (xpathObj && xpathObj->nodesetval) {
-  int nodes = xpathObj->nodesetval->nodeNr;
-
-  int max_images = (nodes < 32) ? nodes : 32;
-  image_matrix = malloc(sizeof(char **) * max_images);
-  inner_counts = malloc(sizeof(int) * max_images);
-
-  for (int i = 0; i < nodes; i++) {
-    if (image_count >= 32) break;
-
-    xmlNodePtr node = xpathObj->nodesetval->nodeTab[i];
-    xmlNodePtr img_node = NULL;
-    xmlNodePtr tit_node = NULL;
-    xmlNodePtr des_node = NULL;
-    xmlNodePtr thumb_link = NULL;
-
-    for (xmlNodePtr child = node->children; child; child = child->next) {
-    if (child->type != XML_ELEMENT_NODE) continue;
-
-    if (xmlStrcmp(child->name, (const xmlChar *)"a") == 0) {
-      xmlChar *class = xmlGetProp(child, (const xmlChar *)"class");
-      if (class) {
-      if (xmlStrstr(class, (const xmlChar *)"thumb") != NULL) {
-        thumb_link = child;
-        for (xmlNodePtr thumb_child = child->children; thumb_child; thumb_child = thumb_child->next) {
-        if (xmlStrcmp(thumb_child->name, (const xmlChar *)"div") == 0) {
-          xmlChar *div_class = xmlGetProp(thumb_child, (const xmlChar *)"class");
-          if (div_class && xmlStrcmp(div_class, (const xmlChar *)"cico") == 0) {
-          for (xmlNodePtr cico_child = thumb_child->children; cico_child; cico_child = cico_child->next) {
-            if (xmlStrcmp(cico_child->name, (const xmlChar *)"img") == 0) {
-            img_node = cico_child;
-            break;
+    int nodes = xpathObj->nodesetval->nodeNr;
+
+    int max_images = (nodes < 32) ? nodes : 32;
+    image_matrix = malloc(sizeof(char **) * max_images);
+    inner_counts = malloc(sizeof(int) * max_images);
+
+    for (int i = 0; i < nodes; i++) {
+      if (image_count >= 32)
+        break;
+
+      xmlNodePtr node = xpathObj->nodesetval->nodeTab[i];
+      xmlNodePtr img_node = NULL;
+      xmlNodePtr tit_node = NULL;
+      xmlNodePtr des_node = NULL;
+      xmlNodePtr thumb_link = NULL;
+
+      for (xmlNodePtr child = node->children; child; child = child->next) {
+        if (child->type != XML_ELEMENT_NODE)
+          continue;
+
+        if (xmlStrcmp(child->name, (const xmlChar *)"a") == 0) {
+          xmlChar *class = xmlGetProp(child, (const xmlChar *)"class");
+          if (class) {
+            if (xmlStrstr(class, (const xmlChar *)"thumb") != NULL) {
+              thumb_link = child;
+              for (xmlNodePtr thumb_child = child->children; thumb_child;
+                   thumb_child = thumb_child->next) {
+                if (xmlStrcmp(thumb_child->name, (const xmlChar *)"div") == 0) {
+                  xmlChar *div_class =
+                      xmlGetProp(thumb_child, (const xmlChar *)"class");
+                  if (div_class &&
+                      xmlStrcmp(div_class, (const xmlChar *)"cico") == 0) {
+                    for (xmlNodePtr cico_child = thumb_child->children;
+                         cico_child; cico_child = cico_child->next) {
+                      if (xmlStrcmp(cico_child->name, (const xmlChar *)"img") ==
+                          0) {
+                        img_node = cico_child;
+                        break;
+                      }
+                    }
+                  }
+                  if (div_class)
+                    xmlFree(div_class);
+                }
+              }
+            } else if (xmlStrstr(class, (const xmlChar *)"tit") != NULL) {
+              tit_node = child;
             }
+            xmlFree(class);
           }
+        } else if (xmlStrcmp(child->name, (const xmlChar *)"div") == 0) {
+          xmlChar *class = xmlGetProp(child, (const xmlChar *)"class");
+          if (class && xmlStrcmp(class, (const xmlChar *)"meta") == 0) {
+            for (xmlNodePtr meta_child = child->children; meta_child;
+                 meta_child = meta_child->next) {
+              if (xmlStrcmp(meta_child->name, (const xmlChar *)"div") == 0) {
+                xmlChar *div_class =
+                    xmlGetProp(meta_child, (const xmlChar *)"class");
+                if (div_class) {
+                  if (xmlStrcmp(div_class, (const xmlChar *)"des") == 0) {
+                    des_node = meta_child;
+                  }
+                  xmlFree(div_class);
+                }
+              } else if (xmlStrcmp(meta_child->name, (const xmlChar *)"a") ==
+                         0) {
+                xmlChar *a_class =
+                    xmlGetProp(meta_child, (const xmlChar *)"class");
+                if (a_class &&
+                    xmlStrstr(a_class, (const xmlChar *)"tit") != NULL) {
+                  tit_node = meta_child;
+                }
+                if (a_class)
+                  xmlFree(a_class);
+              }
+            }
           }
-          if (div_class) xmlFree(div_class);
+          if (class)
+            xmlFree(class);
         }
-        }
-      } else if (xmlStrstr(class, (const xmlChar *)"tit") != NULL) {
-        tit_node = child;
-      }
-      xmlFree(class);
       }
-    } else if (xmlStrcmp(child->name, (const xmlChar *)"div") == 0) {
-      xmlChar *class = xmlGetProp(child, (const xmlChar *)"class");
-      if (class && xmlStrcmp(class, (const xmlChar *)"meta") == 0) {
-      for (xmlNodePtr meta_child = child->children; meta_child; meta_child = meta_child->next) {
-        if (xmlStrcmp(meta_child->name, (const xmlChar *)"div") == 0) {
-        xmlChar *div_class = xmlGetProp(meta_child, (const xmlChar *)"class");
-        if (div_class) {
-          if (xmlStrcmp(div_class, (const xmlChar *)"des") == 0) {
-          des_node = meta_child;
+
+      xmlChar *iurl =
+          img_node ? xmlGetProp(img_node, (const xmlChar *)"src") : NULL;
+      xmlChar *full_url =
+          thumb_link ? xmlGetProp(thumb_link, (const xmlChar *)"href") : NULL;
+      xmlChar *title = des_node
+                           ? xmlNodeGetContent(des_node)
+                           : (tit_node ? xmlNodeGetContent(tit_node) : NULL);
+      xmlChar *rurl =
+          tit_node ? xmlGetProp(tit_node, (const xmlChar *)"href") : NULL;
+
+      if (iurl && strlen((char *)iurl) > 0) {
+        char *proxy_url = NULL;
+        CURL *esc_curl = curl_easy_init();
+        if (esc_curl) {
+          char *encoded = curl_easy_escape(esc_curl, (char *)iurl, 0);
+          if (encoded) {
+            size_t proxy_len = strlen("/proxy?url=") + strlen(encoded) + 1;
+            proxy_url = malloc(proxy_len);
+            if (proxy_url) {
+              snprintf(proxy_url, proxy_len, "/proxy?url=%s", encoded);
+            }
+            curl_free(encoded);
           }
-          xmlFree(div_class);
-        }
-        } else if (xmlStrcmp(meta_child->name, (const xmlChar *)"a") == 0) {
-        xmlChar *a_class = xmlGetProp(meta_child, (const xmlChar *)"class");
-        if (a_class && xmlStrstr(a_class, (const xmlChar *)"tit") != NULL) {
-          tit_node = meta_child;
+          curl_easy_cleanup(esc_curl);
         }
-        if (a_class) xmlFree(a_class);
-        }
-      }
-      }
-      if (class) xmlFree(class);
-    }
-    }
 
-    xmlChar *iurl = img_node ? xmlGetProp(img_node, (const xmlChar *)"src") : NULL;
-    xmlChar *full_url = thumb_link ? xmlGetProp(thumb_link, (const xmlChar *)"href") : NULL;
-    xmlChar *title = des_node ? xmlNodeGetContent(des_node) : (tit_node ? xmlNodeGetContent(tit_node) : NULL);
-    xmlChar *rurl = tit_node ? xmlGetProp(tit_node, (const xmlChar *)"href") : NULL;
-
-    if (iurl && strlen((char *)iurl) > 0) {
-    char *proxy_url = NULL;
-    CURL *esc_curl = curl_easy_init();
-    if (esc_curl) {
-      char *encoded = curl_easy_escape(esc_curl, (char *)iurl, 0);
-      if (encoded) {
-      size_t proxy_len = strlen("/proxy?url=") + strlen(encoded) + 1;
-      proxy_url = malloc(proxy_len);
-      if (proxy_url) {
-        snprintf(proxy_url, proxy_len, "/proxy?url=%s", encoded);
-      }
-      curl_free(encoded);
+        image_matrix[image_count] = malloc(sizeof(char *) * 4);
+        image_matrix[image_count][0] =
+            proxy_url ? strdup(proxy_url) : strdup((char *)iurl);
+        image_matrix[image_count][1] = strdup(title ? (char *)title : "Image");
+        image_matrix[image_count][2] = strdup(rurl ? (char *)rurl : "#");
+        image_matrix[image_count][3] =
+            strdup(full_url ? (char *)full_url : "#");
+        inner_counts[image_count] = 4;
+        image_count++;
       }
-      curl_easy_cleanup(esc_curl);
-    }
 
-    image_matrix[image_count] = malloc(sizeof(char *) * 4);
-    image_matrix[image_count][0] = proxy_url ? strdup(proxy_url) : strdup((char *)iurl);
-    image_matrix[image_count][1] = strdup(title ? (char *)title : "Image");
-    image_matrix[image_count][2] = strdup(rurl ? (char *)rurl : "#");
-    image_matrix[image_count][3] = strdup(full_url ? (char *)full_url : "#");
-    inner_counts[image_count] = 4;
-    image_count++;
+      if (iurl)
+        xmlFree(iurl);
+      if (title)
+        xmlFree(title);
+      if (rurl)
+        xmlFree(rurl);
+      if (full_url)
+        xmlFree(full_url);
     }
-
-    if (iurl) xmlFree(iurl);
-    if (title) xmlFree(title);
-    if (rurl) xmlFree(rurl);
-    if (full_url) xmlFree(full_url);
-  }
   }
 
   context_set_array_of_arrays(&ctx, "images", image_matrix, image_count,
-                inner_counts);
+                              inner_counts);
 
   char *rendered = render_template("images.html", &ctx);
   if (rendered) {
-  send_response(rendered);
-  free(rendered);
+    send_response(rendered);
+    free(rendered);
   } else {
-  send_response("<h1>Error rendering image results</h1>");
+    send_response("<h1>Error rendering image results</h1>");
   }
 
   if (image_matrix) {
-  for (int i = 0; i < image_count; i++) {
-    for (int j = 0; j < 4; j++) {
-    free(image_matrix[i][j]);
+    for (int i = 0; i < image_count; i++) {
+      for (int j = 0; j < 4; j++) {
+        free(image_matrix[i][j]);
+      }
+      free(image_matrix[i]);
     }
-    free(image_matrix[i]);
-  }
-  free(image_matrix);
+    free(image_matrix);
   }
   if (inner_counts) {
-  free(inner_counts);
+    free(inner_counts);
   }
 
-  if (xpathObj) xmlXPathFreeObject(xpathObj);
-  if (xpathCtx) xmlXPathFreeContext(xpathCtx);
-  if (doc) xmlFreeDoc(doc);
+  if (xpathObj)
+    xmlXPathFreeObject(xpathObj);
+  if (xpathCtx)
+    xmlXPathFreeContext(xpathCtx);
+  if (doc)
+    xmlFreeDoc(doc);
   free(html);
   curl_free(encoded_query);
   free(display_query);
   free_context(&ctx);
 
   return 0;
-}
+}

src/Routes/Search.c

@@ -1,8 +1,8 @@
 #include "Search.h"
-#include "../Infobox/Wikipedia.h"
 #include "../Infobox/Calculator.h"
 #include "../Infobox/Dictionary.h"
 #include "../Infobox/UnitConversion.h"
+#include "../Infobox/Wikipedia.h"
 #include "../Scraping/Scraping.h"
 #include "../Utility/Display.h"
 #include "../Utility/Unescape.h"
@@ -23,62 +23,66 @@ static void *wiki_thread_func(void *arg) {
   InfoBoxThreadData *data = (InfoBoxThreadData *)arg;
   char *dynamic_url = construct_wiki_url(data->query);
   if (dynamic_url) {
-  data->result = fetch_wiki_data(dynamic_url);
-  data->success =
-    (data->result.title != NULL && data->result.extract != NULL &&
-     strlen(data->result.extract) > 10);
-  free(dynamic_url);
+    data->result = fetch_wiki_data(dynamic_url);
+    data->success =
+        (data->result.title != NULL && data->result.extract != NULL &&
+         strlen(data->result.extract) > 10);
+    free(dynamic_url);
   } else {
-  data->success = 0;
+    data->success = 0;
   }
   return NULL;
 }
 
 static int is_calculator_query(const char *query) {
-  if (!query) return 0;
+  if (!query)
+    return 0;
 
   int has_digit = 0;
   int has_math_operator = 0;
 
   for (const char *p = query; *p; p++) {
-  if (isdigit(*p) || *p == '.') {
-    has_digit = 1;
-  }
-  if (*p == '+' || *p == '-' || *p == '*' || *p == '/' || *p == '^') {
-    has_math_operator = 1;
-  }
+    if (isdigit(*p) || *p == '.') {
+      has_digit = 1;
+    }
+    if (*p == '+' || *p == '-' || *p == '*' || *p == '/' || *p == '^') {
+      has_math_operator = 1;
+    }
   }
 
-  if (!has_digit || !has_math_operator) return 0;
+  if (!has_digit || !has_math_operator)
+    return 0;
 
   int len = strlen(query);
   for (int i = 0; i < len; i++) {
-  char c = query[i];
-  if (c == '+' || c == '-' || c == '*' || c == '/' || c == '^') {
-    int has_num_before = 0;
-    int has_num_after = 0;
-
-    for (int j = i - 1; j >= 0; j--) {
-    if (isdigit(query[j]) || query[j] == '.') {
-      has_num_before = 1;
-      break;
-    }
-    if (query[j] != ' ') break;
-    }
+    char c = query[i];
+    if (c == '+' || c == '-' || c == '*' || c == '/' || c == '^') {
+      int has_num_before = 0;
+      int has_num_after = 0;
+
+      for (int j = i - 1; j >= 0; j--) {
+        if (isdigit(query[j]) || query[j] == '.') {
+          has_num_before = 1;
+          break;
+        }
+        if (query[j] != ' ')
+          break;
+      }
 
-    for (int j = i + 1; j < len; j++) {
-    if (isdigit(query[j]) || query[j] == '.') {
-      has_num_after = 1;
-      break;
-    }
-    if (query[j] != ' ') break;
-    }
+      for (int j = i + 1; j < len; j++) {
+        if (isdigit(query[j]) || query[j] == '.') {
+          has_num_after = 1;
+          break;
+        }
+        if (query[j] != ' ')
+          break;
+      }
 
-    if (has_num_before || has_num_after) {
-    return 1;
+      if (has_num_before || has_num_after) {
+        return 1;
+      }
     }
   }
-  }
 
   return 0;
 }
@@ -87,11 +91,11 @@ static void *calc_thread_func(void *arg) {
   InfoBoxThreadData *data = (InfoBoxThreadData *)arg;
 
   if (is_calculator_query(data->query)) {
-  data->result = fetch_calc_data((char *)data->query);
-  data->success =
-    (data->result.title != NULL && data->result.extract != NULL);
+    data->result = fetch_calc_data((char *)data->query);
+    data->success =
+        (data->result.title != NULL && data->result.extract != NULL);
   } else {
-  data->success = 0;
+    data->success = 0;
   }
 
   return NULL;
@@ -101,11 +105,11 @@ static void *dict_thread_func(void *arg) {
   InfoBoxThreadData *data = (InfoBoxThreadData *)arg;
 
   if (is_dictionary_query(data->query)) {
-  data->result = fetch_dictionary_data(data->query);
-  data->success =
-    (data->result.title != NULL && data->result.extract != NULL);
+    data->result = fetch_dictionary_data(data->query);
+    data->success =
+        (data->result.title != NULL && data->result.extract != NULL);
   } else {
-  data->success = 0;
+    data->success = 0;
   }
 
   return NULL;
@@ -115,27 +119,30 @@ static void *unit_thread_func(void *arg) {
   InfoBoxThreadData *data = (InfoBoxThreadData *)arg;
 
   if (is_unit_conv_query(data->query)) {
-  data->result = fetch_unit_conv_data(data->query);
-  data->success =
-    (data->result.title != NULL && data->result.extract != NULL);
+    data->result = fetch_unit_conv_data(data->query);
+    data->success =
+        (data->result.title != NULL && data->result.extract != NULL);
   } else {
-  data->success = 0;
+    data->success = 0;
   }
 
   return NULL;
 }
 
 static int add_infobox_to_collection(InfoBox *infobox, char ****collection,
-                   int **inner_counts, int current_count) {
+                                     int **inner_counts, int current_count) {
   *collection =
-    (char ***)realloc(*collection, sizeof(char **) * (current_count + 1));
+      (char ***)realloc(*collection, sizeof(char **) * (current_count + 1));
   *inner_counts =
-    (int *)realloc(*inner_counts, sizeof(int) * (current_count + 1));
+      (int *)realloc(*inner_counts, sizeof(int) * (current_count + 1));
 
   (*collection)[current_count] = (char **)malloc(sizeof(char *) * 4);
-  (*collection)[current_count][0] = infobox->title ? strdup(infobox->title) : NULL;
-  (*collection)[current_count][1] = infobox->thumbnail_url ? strdup(infobox->thumbnail_url) : NULL;
-  (*collection)[current_count][2] = infobox->extract ? strdup(infobox->extract) : NULL;
+  (*collection)[current_count][0] =
+      infobox->title ? strdup(infobox->title) : NULL;
+  (*collection)[current_count][1] =
+      infobox->thumbnail_url ? strdup(infobox->thumbnail_url) : NULL;
+  (*collection)[current_count][2] =
+      infobox->extract ? strdup(infobox->extract) : NULL;
   (*collection)[current_count][3] = infobox->url ? strdup(infobox->url) : NULL;
   (*inner_counts)[current_count] = 4;
 
@@ -148,15 +155,16 @@ int results_handler(UrlParams *params) {
   int page = 1;
 
   if (params) {
-  for (int i = 0; i < params->count; i++) {
-    if (strcmp(params->params[i].key, "q") == 0) {
-    raw_query = params->params[i].value;
-    } else if (strcmp(params->params[i].key, "p") == 0) {
-    int parsed = atoi(params->params[i].value);
-    if (parsed > 1) page = parsed;
+    for (int i = 0; i < params->count; i++) {
+      if (strcmp(params->params[i].key, "q") == 0) {
+        raw_query = params->params[i].value;
+      } else if (strcmp(params->params[i].key, "p") == 0) {
+        int parsed = atoi(params->params[i].value);
+        if (parsed > 1)
+          page = parsed;
+      }
     }
   }
-  }
 
   context_set(&ctx, "query", raw_query);
 
@@ -164,14 +172,14 @@ int results_handler(UrlParams *params) {
   snprintf(page_str, sizeof(page_str), "%d", page);
   snprintf(prev_str, sizeof(prev_str), "%d", page > 1 ? page - 1 : 0);
   snprintf(next_str, sizeof(next_str), "%d", page + 1);
-  context_set(&ctx, "page",    page_str);
+  context_set(&ctx, "page", page_str);
   context_set(&ctx, "prev_page", prev_str);
   context_set(&ctx, "next_page", next_str);
 
   if (!raw_query || strlen(raw_query) == 0) {
-  send_response("<h1>No query provided</h1>");
-  free_context(&ctx);
-  return -1;
+    send_response("<h1>No query provided</h1>");
+    free_context(&ctx);
+    return -1;
   }
 
   pthread_t wiki_tid, calc_tid, dict_tid, unit_tid;
@@ -181,36 +189,36 @@ int results_handler(UrlParams *params) {
   InfoBoxThreadData unit_data = {.query = raw_query, .success = 0};
 
   if (page == 1) {
-  pthread_create(&wiki_tid, NULL, wiki_thread_func, &wiki_data);
-  pthread_create(&calc_tid, NULL, calc_thread_func, &calc_data);
-  pthread_create(&dict_tid, NULL, dict_thread_func, &dict_data);
-  pthread_create(&unit_tid, NULL, unit_thread_func, &unit_data);
+    pthread_create(&wiki_tid, NULL, wiki_thread_func, &wiki_data);
+    pthread_create(&calc_tid, NULL, calc_thread_func, &calc_data);
+    pthread_create(&dict_tid, NULL, dict_thread_func, &dict_data);
+    pthread_create(&unit_tid, NULL, unit_thread_func, &unit_data);
   }
 
   ScrapeJob jobs[ENGINE_COUNT];
   SearchResult *all_results[ENGINE_COUNT];
 
   for (int i = 0; i < ENGINE_COUNT; i++) {
-  all_results[i] = NULL;
-  jobs[i].engine = &ENGINE_REGISTRY[i];
-  jobs[i].query = raw_query;
-  jobs[i].out_results = &all_results[i];
-  jobs[i].max_results = 10;
-  jobs[i].results_count = 0;
-  jobs[i].page = page;
-  jobs[i].handle = NULL;
-  jobs[i].response.memory = NULL;
-  jobs[i].response.size = 0;
-  jobs[i].response.capacity = 0;
+    all_results[i] = NULL;
+    jobs[i].engine = &ENGINE_REGISTRY[i];
+    jobs[i].query = raw_query;
+    jobs[i].out_results = &all_results[i];
+    jobs[i].max_results = 10;
+    jobs[i].results_count = 0;
+    jobs[i].page = page;
+    jobs[i].handle = NULL;
+    jobs[i].response.memory = NULL;
+    jobs[i].response.size = 0;
+    jobs[i].response.capacity = 0;
   }
 
   scrape_engines_parallel(jobs, ENGINE_COUNT);
 
   if (page == 1) {
-  pthread_join(wiki_tid, NULL);
-  pthread_join(calc_tid, NULL);
-  pthread_join(dict_tid, NULL);
-  pthread_join(unit_tid, NULL);
+    pthread_join(wiki_tid, NULL);
+    pthread_join(calc_tid, NULL);
+    pthread_join(dict_tid, NULL);
+    pthread_join(unit_tid, NULL);
   }
 
   char ***infobox_matrix = NULL;
@@ -218,120 +226,135 @@ int results_handler(UrlParams *params) {
   int infobox_count = 0;
 
   if (page == 1) {
-  if (dict_data.success) {
-    infobox_count = add_infobox_to_collection(&dict_data.result, &infobox_matrix,
-                        &infobox_inner_counts, infobox_count);
-  }
+    if (dict_data.success) {
+      infobox_count =
+          add_infobox_to_collection(&dict_data.result, &infobox_matrix,
+                                    &infobox_inner_counts, infobox_count);
+    }
 
-  if (calc_data.success) {
-    infobox_count = add_infobox_to_collection(&calc_data.result, &infobox_matrix,
-                        &infobox_inner_counts, infobox_count);
-  }
+    if (calc_data.success) {
+      infobox_count =
+          add_infobox_to_collection(&calc_data.result, &infobox_matrix,
+                                    &infobox_inner_counts, infobox_count);
+    }
 
-  if (unit_data.success) {
-    infobox_count = add_infobox_to_collection(&unit_data.result, &infobox_matrix,
-                        &infobox_inner_counts, infobox_count);
-  }
+    if (unit_data.success) {
+      infobox_count =
+          add_infobox_to_collection(&unit_data.result, &infobox_matrix,
+                                    &infobox_inner_counts, infobox_count);
+    }
 
-  if (wiki_data.success) {
-    infobox_count = add_infobox_to_collection(&wiki_data.result, &infobox_matrix,
-                        &infobox_inner_counts, infobox_count);
-  }
+    if (wiki_data.success) {
+      infobox_count =
+          add_infobox_to_collection(&wiki_data.result, &infobox_matrix,
+                                    &infobox_inner_counts, infobox_count);
+    }
   }
 
   if (infobox_count > 0) {
-  context_set_array_of_arrays(&ctx, "infoboxes", infobox_matrix,
-                infobox_count, infobox_inner_counts);
-  for (int i = 0; i < infobox_count; i++) {
-    for (int j = 0; j < 4; j++) free(infobox_matrix[i][j]);
-    free(infobox_matrix[i]);
-  }
-  free(infobox_matrix);
-  free(infobox_inner_counts);
+    context_set_array_of_arrays(&ctx, "infoboxes", infobox_matrix,
+                                infobox_count, infobox_inner_counts);
+    for (int i = 0; i < infobox_count; i++) {
+      for (int j = 0; j < 4; j++)
+        free(infobox_matrix[i][j]);
+      free(infobox_matrix[i]);
+    }
+    free(infobox_matrix);
+    free(infobox_inner_counts);
   }
 
   int total_results = 0;
   for (int i = 0; i < ENGINE_COUNT; i++) {
-  total_results += jobs[i].results_count;
+    total_results += jobs[i].results_count;
   }
 
   if (total_results > 0) {
-  char ***results_matrix = (char ***)malloc(sizeof(char **) * total_results);
-  int *results_inner_counts = (int *)malloc(sizeof(int) * total_results);
-  char **seen_urls = (char **)malloc(sizeof(char *) * total_results);
-  int unique_count = 0;
-
-  for (int i = 0; i < ENGINE_COUNT; i++) {
-    for (int j = 0; j < jobs[i].results_count; j++) {
-    char *display_url = all_results[i][j].url;
-
-    int is_duplicate = 0;
-    for (int k = 0; k < unique_count; k++) {
-      if (strcmp(seen_urls[k], display_url) == 0) {
-      is_duplicate = 1;
-      break;
+    char ***results_matrix = (char ***)malloc(sizeof(char **) * total_results);
+    int *results_inner_counts = (int *)malloc(sizeof(int) * total_results);
+    char **seen_urls = (char **)malloc(sizeof(char *) * total_results);
+    int unique_count = 0;
+
+    for (int i = 0; i < ENGINE_COUNT; i++) {
+      for (int j = 0; j < jobs[i].results_count; j++) {
+        char *display_url = all_results[i][j].url;
+
+        int is_duplicate = 0;
+        for (int k = 0; k < unique_count; k++) {
+          if (strcmp(seen_urls[k], display_url) == 0) {
+            is_duplicate = 1;
+            break;
+          }
+        }
+
+        if (is_duplicate) {
+          free(all_results[i][j].url);
+          free(all_results[i][j].title);
+          free(all_results[i][j].snippet);
+          continue;
+        }
+
+        seen_urls[unique_count] = strdup(display_url);
+        results_matrix[unique_count] = (char **)malloc(sizeof(char *) * 4);
+        char *pretty_url = pretty_display_url(display_url);
+
+        results_matrix[unique_count][0] = strdup(display_url);
+        results_matrix[unique_count][1] = strdup(pretty_url);
+        results_matrix[unique_count][2] = all_results[i][j].title
+                                              ? strdup(all_results[i][j].title)
+                                              : strdup("Untitled");
+        results_matrix[unique_count][3] =
+            all_results[i][j].snippet ? strdup(all_results[i][j].snippet)
+                                      : strdup("");
+
+        results_inner_counts[unique_count] = 4;
+
+        free(pretty_url);
+        free(all_results[i][j].url);
+        free(all_results[i][j].title);
+        free(all_results[i][j].snippet);
+
+        unique_count++;
       }
+      free(all_results[i]);
     }
 
-    if (is_duplicate) {
-      free(all_results[i][j].url);
-      free(all_results[i][j].title);
-      free(all_results[i][j].snippet);
-      continue;
-    }
-
-    seen_urls[unique_count] = strdup(display_url);
-    results_matrix[unique_count] = (char **)malloc(sizeof(char *) * 4);
-    char *pretty_url = pretty_display_url(display_url);
-
-    results_matrix[unique_count][0] = strdup(display_url);
-    results_matrix[unique_count][1] = strdup(pretty_url);
-    results_matrix[unique_count][2] = all_results[i][j].title ? strdup(all_results[i][j].title) : strdup("Untitled");
-    results_matrix[unique_count][3] = all_results[i][j].snippet ? strdup(all_results[i][j].snippet) : strdup("");
-
-    results_inner_counts[unique_count] = 4;
+    context_set_array_of_arrays(&ctx, "results", results_matrix, unique_count,
+                                results_inner_counts);
 
-    free(pretty_url);
-    free(all_results[i][j].url);
-    free(all_results[i][j].title);
-    free(all_results[i][j].snippet);
-
-    unique_count++;
+    char *html = render_template("results.html", &ctx);
+    if (html) {
+      send_response(html);
+      free(html);
     }
-    free(all_results[i]);
-  }
-
-  context_set_array_of_arrays(&ctx, "results", results_matrix, unique_count, results_inner_counts);
-
-  char *html = render_template("results.html", &ctx);
-  if (html) {
-    send_response(html);
-    free(html);
-  }
 
-  for (int i = 0; i < unique_count; i++) {
-    for (int j = 0; j < 4; j++) free(results_matrix[i][j]);
-    free(results_matrix[i]);
-    free(seen_urls[i]);
-  }
-  free(seen_urls);
-  free(results_matrix);
-  free(results_inner_counts);
+    for (int i = 0; i < unique_count; i++) {
+      for (int j = 0; j < 4; j++)
+        free(results_matrix[i][j]);
+      free(results_matrix[i]);
+      free(seen_urls[i]);
+    }
+    free(seen_urls);
+    free(results_matrix);
+    free(results_inner_counts);
   } else {
-  char *html = render_template("results.html", &ctx);
-  if (html) {
-    send_response(html);
-    free(html);
-  }
+    char *html = render_template("results.html", &ctx);
+    if (html) {
+      send_response(html);
+      free(html);
+    }
   }
 
   if (page == 1) {
-  if (wiki_data.success) free_infobox(&wiki_data.result);
-  if (calc_data.success) free_infobox(&calc_data.result);
-  if (dict_data.success) free_infobox(&dict_data.result);
-  if (unit_data.success) free_infobox(&unit_data.result);
+    if (wiki_data.success)
+      free_infobox(&wiki_data.result);
+    if (calc_data.success)
+      free_infobox(&calc_data.result);
+    if (dict_data.success)
+      free_infobox(&dict_data.result);
+    if (unit_data.success)
+      free_infobox(&unit_data.result);
   }
   free_context(&ctx);
 
   return 0;
-}
+}

src/Scraping/Scraping.c

@@ -11,21 +11,22 @@
 #include <unistd.h>
 
 static size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb,
-                  void *userp) {
+                                  void *userp) {
   size_t realsize = size * nmemb;
   MemoryBuffer *mem = (MemoryBuffer *)userp;
 
   if (mem->size + realsize + 1 > mem->capacity) {
 
-  size_t new_cap = mem->capacity == 0 ? 16384 : mem->capacity * 2;
-  while (new_cap < mem->size + realsize + 1) new_cap *= 2;
+    size_t new_cap = mem->capacity == 0 ? 16384 : mem->capacity * 2;
+    while (new_cap < mem->size + realsize + 1)
+      new_cap *= 2;
 
-  char *ptr = (char *)realloc(mem->memory, new_cap);
-  if (!ptr) {
-    return 0;
-  }
-  mem->memory = ptr;
-  mem->capacity = new_cap;
+    char *ptr = (char *)realloc(mem->memory, new_cap);
+    if (!ptr) {
+      return 0;
+    }
+    mem->memory = ptr;
+    mem->capacity = new_cap;
   }
 
   memcpy(&(mem->memory[mem->size]), contents, realsize);
@@ -37,37 +38,39 @@ static size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb,
 
 static const char *get_random_user_agent() {
   static const char *agents[] = {
-    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, "
-    "like Gecko) Chrome/120.0.0.0 Safari/537.36",
-    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 "
-    "(KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36",
-    "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like "
-    "Gecko) "
-    "Chrome/120.0.0.0` Safari/537.36",
-    "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 "
-    "Firefox/121.0",
-    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 "
-    "(KHTML, like Gecko) Version/17.2 Safari/605.1.15"};
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, "
+      "like Gecko) Chrome/120.0.0.0 Safari/537.36",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 "
+      "(KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36",
+      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like "
+      "Gecko) "
+      "Chrome/120.0.0.0` Safari/537.36",
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 "
+      "Firefox/121.0",
+      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 "
+      "(KHTML, like Gecko) Version/17.2 Safari/605.1.15"};
   return agents[rand() % 5];
 }
 
 static int parse_ddg_lite(const char *engine_name, xmlDocPtr doc,
-              SearchResult **out_results, int max_results) {
+                          SearchResult **out_results, int max_results) {
   (void)engine_name;
   int found_count = 0;
   xmlXPathContextPtr xpathCtx = xmlXPathNewContext(doc);
   if (!xpathCtx) {
-  return 0;
+    return 0;
   }
 
-  const char *link_xpath = "//tr[not(contains(@class, 'result-sponsored'))]//a[@class='result-link']";
+  const char *link_xpath = "//tr[not(contains(@class, "
+                           "'result-sponsored'))]//a[@class='result-link']";
   xmlXPathObjectPtr xpathObj =
-    xmlXPathEvalExpression((xmlChar *)link_xpath, xpathCtx);
+      xmlXPathEvalExpression((xmlChar *)link_xpath, xpathCtx);
 
   if (!xpathObj || !xpathObj->nodesetval || xpathObj->nodesetval->nodeNr == 0) {
-  if (xpathObj) xmlXPathFreeObject(xpathObj);
-  xmlXPathFreeContext(xpathCtx);
-  return 0;
+    if (xpathObj)
+      xmlXPathFreeObject(xpathObj);
+    xmlXPathFreeContext(xpathCtx);
+    return 0;
   }
 
   int num_links = xpathObj->nodesetval->nodeNr;
@@ -75,49 +78,54 @@ static int parse_ddg_lite(const char *engine_name, xmlDocPtr doc,
   int actual_alloc = (num_links < max_results) ? num_links : max_results;
   *out_results = (SearchResult *)calloc(actual_alloc, sizeof(SearchResult));
   if (!*out_results) {
-  xmlXPathFreeObject(xpathObj);
-  xmlXPathFreeContext(xpathCtx);
-  return 0;
+    xmlXPathFreeObject(xpathObj);
+    xmlXPathFreeContext(xpathCtx);
+    return 0;
   }
 
   for (int i = 0; i < num_links && found_count < max_results; i++) {
-  xmlNodePtr linkNode = xpathObj->nodesetval->nodeTab[i];
-  char *title = (char *)xmlNodeGetContent(linkNode);
-  char *url = (char *)xmlGetProp(linkNode, (xmlChar *)"href");
-  char *snippet_text = NULL;
-
-  xmlNodePtr current = linkNode->parent;
-  while (current && xmlStrcasecmp(current->name, (const xmlChar *)"tr") != 0)
-    current = current->parent;
-
-  if (current && current->next) {
-    xmlNodePtr snippetRow = current->next;
-    while (snippetRow &&
-       xmlStrcasecmp(snippetRow->name, (const xmlChar *)"tr") != 0)
-    snippetRow = snippetRow->next;
-    if (snippetRow) {
-
-    xpathCtx->node = snippetRow;
-    xmlXPathObjectPtr sObj = xmlXPathEvalExpression(
-      (xmlChar *)".//td[@class='result-snippet']", xpathCtx);
-    if (sObj && sObj->nodesetval && sObj->nodesetval->nodeNr > 0) {
-      snippet_text = (char *)xmlNodeGetContent(sObj->nodesetval->nodeTab[0]);
-    }
-    if (sObj) xmlXPathFreeObject(sObj);
-    xpathCtx->node = NULL; 
-
+    xmlNodePtr linkNode = xpathObj->nodesetval->nodeTab[i];
+    char *title = (char *)xmlNodeGetContent(linkNode);
+    char *url = (char *)xmlGetProp(linkNode, (xmlChar *)"href");
+    char *snippet_text = NULL;
+
+    xmlNodePtr current = linkNode->parent;
+    while (current && xmlStrcasecmp(current->name, (const xmlChar *)"tr") != 0)
+      current = current->parent;
+
+    if (current && current->next) {
+      xmlNodePtr snippetRow = current->next;
+      while (snippetRow &&
+             xmlStrcasecmp(snippetRow->name, (const xmlChar *)"tr") != 0)
+        snippetRow = snippetRow->next;
+      if (snippetRow) {
+
+        xpathCtx->node = snippetRow;
+        xmlXPathObjectPtr sObj = xmlXPathEvalExpression(
+            (xmlChar *)".//td[@class='result-snippet']", xpathCtx);
+        if (sObj && sObj->nodesetval && sObj->nodesetval->nodeNr > 0) {
+          snippet_text =
+              (char *)xmlNodeGetContent(sObj->nodesetval->nodeTab[0]);
+        }
+        if (sObj)
+          xmlXPathFreeObject(sObj);
+        xpathCtx->node = NULL;
+      }
     }
-  }
 
-  (*out_results)[found_count].url = unescape_search_url(url);
-  (*out_results)[found_count].title = strdup(title ? title : "No Title");
-  (*out_results)[found_count].snippet = strdup(snippet_text ? snippet_text : "");
+    (*out_results)[found_count].url = unescape_search_url(url);
+    (*out_results)[found_count].title = strdup(title ? title : "No Title");
+    (*out_results)[found_count].snippet =
+        strdup(snippet_text ? snippet_text : "");
 
-  found_count++;
+    found_count++;
 
-  if (title) xmlFree(title);
-  if (url) xmlFree(url);
-  if (snippet_text) xmlFree(snippet_text);
+    if (title)
+      xmlFree(title);
+    if (url)
+      xmlFree(url);
+    if (snippet_text)
+      xmlFree(snippet_text);
   }
 
   xmlXPathFreeObject(xpathObj);
@@ -126,22 +134,23 @@ static int parse_ddg_lite(const char *engine_name, xmlDocPtr doc,
 }
 
 static int parse_startpage(const char *engine_name, xmlDocPtr doc,
-               SearchResult **out_results, int max_results) {
+                           SearchResult **out_results, int max_results) {
   (void)engine_name;
   int found_count = 0;
   xmlXPathContextPtr xpathCtx = xmlXPathNewContext(doc);
   if (!xpathCtx) {
-  return 0;
+    return 0;
   }
 
   const char *container_xpath = "//div[contains(@class, 'result')]";
   xmlXPathObjectPtr xpathObj =
-    xmlXPathEvalExpression((xmlChar *)container_xpath, xpathCtx);
+      xmlXPathEvalExpression((xmlChar *)container_xpath, xpathCtx);
 
   if (!xpathObj || !xpathObj->nodesetval || xpathObj->nodesetval->nodeNr == 0) {
-  if (xpathObj) xmlXPathFreeObject(xpathObj);
-  xmlXPathFreeContext(xpathCtx);
-  return 0;
+    if (xpathObj)
+      xmlXPathFreeObject(xpathObj);
+    xmlXPathFreeContext(xpathCtx);
+    return 0;
   }
 
   int num_results = xpathObj->nodesetval->nodeNr;
@@ -149,55 +158,61 @@ static int parse_startpage(const char *engine_name, xmlDocPtr doc,
   int actual_alloc = (num_results < max_results) ? num_results : max_results;
   *out_results = (SearchResult *)calloc(actual_alloc, sizeof(SearchResult));
   if (!*out_results) {
-  xmlXPathFreeObject(xpathObj);
-  xmlXPathFreeContext(xpathCtx);
-  return 0;
+    xmlXPathFreeObject(xpathObj);
+    xmlXPathFreeContext(xpathCtx);
+    return 0;
   }
 
   for (int i = 0; i < num_results && found_count < max_results; i++) {
-  xmlNodePtr resultNode = xpathObj->nodesetval->nodeTab[i];
-  xpathCtx->node = resultNode;
-
-  xmlXPathObjectPtr linkObj = xmlXPathEvalExpression(
-    (xmlChar *)".//a[contains(@class, 'result-link')]", xpathCtx);
-  char *url =
-    (linkObj && linkObj->nodesetval && linkObj->nodesetval->nodeNr > 0)
-      ? (char *)xmlGetProp(linkObj->nodesetval->nodeTab[0],
-                 (xmlChar *)"href")
-      : NULL;
-
-  xmlXPathObjectPtr titleObj = xmlXPathEvalExpression(
-    (xmlChar *)".//h2[contains(@class, 'wgl-title')]", xpathCtx);
-  char *title =
-    (titleObj && titleObj->nodesetval && titleObj->nodesetval->nodeNr > 0)
-      ? (char *)xmlNodeGetContent(titleObj->nodesetval->nodeTab[0])
-      : NULL;
-
-  xmlXPathObjectPtr snippetObj = xmlXPathEvalExpression(
-    (xmlChar *)".//p[contains(@class, 'description')]", xpathCtx);
-  char *snippet_text =
-    (snippetObj && snippetObj->nodesetval &&
-     snippetObj->nodesetval->nodeNr > 0)
-      ? (char *)xmlNodeGetContent(snippetObj->nodesetval->nodeTab[0])
-      : NULL;
-
-  if (url && title) {
-    (*out_results)[found_count].url = strdup(url);
-    (*out_results)[found_count].title = strdup(title);
-    (*out_results)[found_count].snippet =
-      strdup(snippet_text ? snippet_text : "");
-    found_count++;
-  }
+    xmlNodePtr resultNode = xpathObj->nodesetval->nodeTab[i];
+    xpathCtx->node = resultNode;
+
+    xmlXPathObjectPtr linkObj = xmlXPathEvalExpression(
+        (xmlChar *)".//a[contains(@class, 'result-link')]", xpathCtx);
+    char *url =
+        (linkObj && linkObj->nodesetval && linkObj->nodesetval->nodeNr > 0)
+            ? (char *)xmlGetProp(linkObj->nodesetval->nodeTab[0],
+                                 (xmlChar *)"href")
+            : NULL;
+
+    xmlXPathObjectPtr titleObj = xmlXPathEvalExpression(
+        (xmlChar *)".//h2[contains(@class, 'wgl-title')]", xpathCtx);
+    char *title =
+        (titleObj && titleObj->nodesetval && titleObj->nodesetval->nodeNr > 0)
+            ? (char *)xmlNodeGetContent(titleObj->nodesetval->nodeTab[0])
+            : NULL;
+
+    xmlXPathObjectPtr snippetObj = xmlXPathEvalExpression(
+        (xmlChar *)".//p[contains(@class, 'description')]", xpathCtx);
+    char *snippet_text =
+        (snippetObj && snippetObj->nodesetval &&
+         snippetObj->nodesetval->nodeNr > 0)
+            ? (char *)xmlNodeGetContent(snippetObj->nodesetval->nodeTab[0])
+            : NULL;
+
+    if (url && title) {
+      (*out_results)[found_count].url = strdup(url);
+      (*out_results)[found_count].title = strdup(title);
+      (*out_results)[found_count].snippet =
+          strdup(snippet_text ? snippet_text : "");
+      found_count++;
+    }
 
-  if (title) xmlFree(title);
-  if (url) xmlFree(url);
-  if (snippet_text) xmlFree(snippet_text);
-  if (linkObj) xmlXPathFreeObject(linkObj);
-  if (titleObj) xmlXPathFreeObject(titleObj);
-  if (snippetObj) xmlXPathFreeObject(snippetObj);
+    if (title)
+      xmlFree(title);
+    if (url)
+      xmlFree(url);
+    if (snippet_text)
+      xmlFree(snippet_text);
+    if (linkObj)
+      xmlXPathFreeObject(linkObj);
+    if (titleObj)
+      xmlXPathFreeObject(titleObj);
+    if (snippetObj)
+      xmlXPathFreeObject(snippetObj);
   }
 
-  xpathCtx->node = NULL; 
+  xpathCtx->node = NULL;
 
   xmlXPathFreeObject(xpathObj);
   xmlXPathFreeContext(xpathCtx);
@@ -205,22 +220,23 @@ static int parse_startpage(const char *engine_name, xmlDocPtr doc,
 }
 
 static int parse_yahoo(const char *engine_name, xmlDocPtr doc,
-             SearchResult **out_results, int max_results) {
+                       SearchResult **out_results, int max_results) {
   (void)engine_name;
   int found_count = 0;
   xmlXPathContextPtr xpathCtx = xmlXPathNewContext(doc);
   if (!xpathCtx) {
-  return 0;
+    return 0;
   }
 
   const char *container_xpath = "//div[contains(@class, 'algo-sr')]";
   xmlXPathObjectPtr xpathObj =
-    xmlXPathEvalExpression((xmlChar *)container_xpath, xpathCtx);
+      xmlXPathEvalExpression((xmlChar *)container_xpath, xpathCtx);
 
   if (!xpathObj || !xpathObj->nodesetval || xpathObj->nodesetval->nodeNr == 0) {
-  if (xpathObj) xmlXPathFreeObject(xpathObj);
-  xmlXPathFreeContext(xpathCtx);
-  return 0;
+    if (xpathObj)
+      xmlXPathFreeObject(xpathObj);
+    xmlXPathFreeContext(xpathCtx);
+    return 0;
   }
 
   int num_results = xpathObj->nodesetval->nodeNr;
@@ -228,53 +244,59 @@ static int parse_yahoo(const char *engine_name, xmlDocPtr doc,
   int actual_alloc = (num_results < max_results) ? num_results : max_results;
   *out_results = (SearchResult *)calloc(actual_alloc, sizeof(SearchResult));
   if (!*out_results) {
-  xmlXPathFreeObject(xpathObj);
-  xmlXPathFreeContext(xpathCtx);
-  return 0;
+    xmlXPathFreeObject(xpathObj);
+    xmlXPathFreeContext(xpathCtx);
+    return 0;
   }
 
   for (int i = 0; i < num_results && found_count < max_results; i++) {
-  xmlNodePtr resultNode = xpathObj->nodesetval->nodeTab[i];
-  xpathCtx->node = resultNode;
-
-  xmlXPathObjectPtr linkObj = xmlXPathEvalExpression(
-    (xmlChar *)".//div[contains(@class, 'compTitle')]//a[@target='_blank']",
-    xpathCtx);
-  char *url =
-    (linkObj && linkObj->nodesetval && linkObj->nodesetval->nodeNr > 0)
-      ? (char *)xmlGetProp(linkObj->nodesetval->nodeTab[0],
-                 (xmlChar *)"href")
-      : NULL;
-
-  xmlXPathObjectPtr titleObj = xmlXPathEvalExpression(
-    (xmlChar *)".//h3[contains(@class, 'title')]", xpathCtx);
-  char *title =
-    (titleObj && titleObj->nodesetval && titleObj->nodesetval->nodeNr > 0)
-      ? (char *)xmlNodeGetContent(titleObj->nodesetval->nodeTab[0])
-      : NULL;
-
-  xmlXPathObjectPtr snippetObj = xmlXPathEvalExpression(
-    (xmlChar *)".//div[contains(@class, 'compText')]//p", xpathCtx);
-  char *snippet_text =
-    (snippetObj && snippetObj->nodesetval &&
-     snippetObj->nodesetval->nodeNr > 0)
-      ? (char *)xmlNodeGetContent(snippetObj->nodesetval->nodeTab[0])
-      : NULL;
-
-  if (url && title) {
-    (*out_results)[found_count].url = unescape_search_url(url);
-    (*out_results)[found_count].title = strdup(title);
-    (*out_results)[found_count].snippet =
-      strdup(snippet_text ? snippet_text : "");
-    found_count++;
-  }
+    xmlNodePtr resultNode = xpathObj->nodesetval->nodeTab[i];
+    xpathCtx->node = resultNode;
+
+    xmlXPathObjectPtr linkObj = xmlXPathEvalExpression(
+        (xmlChar *)".//div[contains(@class, 'compTitle')]//a[@target='_blank']",
+        xpathCtx);
+    char *url =
+        (linkObj && linkObj->nodesetval && linkObj->nodesetval->nodeNr > 0)
+            ? (char *)xmlGetProp(linkObj->nodesetval->nodeTab[0],
+                                 (xmlChar *)"href")
+            : NULL;
+
+    xmlXPathObjectPtr titleObj = xmlXPathEvalExpression(
+        (xmlChar *)".//h3[contains(@class, 'title')]", xpathCtx);
+    char *title =
+        (titleObj && titleObj->nodesetval && titleObj->nodesetval->nodeNr > 0)
+            ? (char *)xmlNodeGetContent(titleObj->nodesetval->nodeTab[0])
+            : NULL;
+
+    xmlXPathObjectPtr snippetObj = xmlXPathEvalExpression(
+        (xmlChar *)".//div[contains(@class, 'compText')]//p", xpathCtx);
+    char *snippet_text =
+        (snippetObj && snippetObj->nodesetval &&
+         snippetObj->nodesetval->nodeNr > 0)
+            ? (char *)xmlNodeGetContent(snippetObj->nodesetval->nodeTab[0])
+            : NULL;
+
+    if (url && title) {
+      (*out_results)[found_count].url = unescape_search_url(url);
+      (*out_results)[found_count].title = strdup(title);
+      (*out_results)[found_count].snippet =
+          strdup(snippet_text ? snippet_text : "");
+      found_count++;
+    }
 
-  if (title) xmlFree(title);
-  if (url) xmlFree(url);
-  if (snippet_text) xmlFree(snippet_text);
-  if (linkObj) xmlXPathFreeObject(linkObj);
-  if (titleObj) xmlXPathFreeObject(titleObj);
-  if (snippetObj) xmlXPathFreeObject(snippetObj);
+    if (title)
+      xmlFree(title);
+    if (url)
+      xmlFree(url);
+    if (snippet_text)
+      xmlFree(snippet_text);
+    if (linkObj)
+      xmlXPathFreeObject(linkObj);
+    if (titleObj)
+      xmlXPathFreeObject(titleObj);
+    if (snippetObj)
+      xmlXPathFreeObject(snippetObj);
   }
 
   xpathCtx->node = NULL;
@@ -284,36 +306,36 @@ static int parse_yahoo(const char *engine_name, xmlDocPtr doc,
 }
 
 const SearchEngine ENGINE_REGISTRY[] = {
-  {.name = "DuckDuckGo Lite",
-   .base_url = "https://lite.duckduckgo.com/lite/?q=",
-   .host_header = "lite.duckduckgo.com",
-   .referer = "https://lite.duckduckgo.com/",
-   .page_param = "s",
-   .page_multiplier = 30,
-   .page_base = 0,
-   .parser = parse_ddg_lite},
-  {.name = "Startpage",
-   .base_url = "https://www.startpage.com/sp/search?q=",
-   .host_header = "www.startpage.com",
-   .referer = "https://www.startpage.com/",
-   .page_param = "page",
-   .page_multiplier = 1,
-   .page_base = 1,   
-   .parser = parse_startpage},
-  {.name = "Yahoo",
-   .base_url = "https://search.yahoo.com/search?p=",
-   .host_header = "search.yahoo.com",
-   .referer = "https://search.yahoo.com/",
-   .page_param = "b",
-   .page_multiplier = 10,
-   .page_base = 1,   
-   .parser = parse_yahoo}};
+    {.name = "DuckDuckGo Lite",
+     .base_url = "https://lite.duckduckgo.com/lite/?q=",
+     .host_header = "lite.duckduckgo.com",
+     .referer = "https://lite.duckduckgo.com/",
+     .page_param = "s",
+     .page_multiplier = 30,
+     .page_base = 0,
+     .parser = parse_ddg_lite},
+    {.name = "Startpage",
+     .base_url = "https://www.startpage.com/sp/search?q=",
+     .host_header = "www.startpage.com",
+     .referer = "https://www.startpage.com/",
+     .page_param = "page",
+     .page_multiplier = 1,
+     .page_base = 1,
+     .parser = parse_startpage},
+    {.name = "Yahoo",
+     .base_url = "https://search.yahoo.com/search?p=",
+     .host_header = "search.yahoo.com",
+     .referer = "https://search.yahoo.com/",
+     .page_param = "b",
+     .page_multiplier = 10,
+     .page_base = 1,
+     .parser = parse_yahoo}};
 
 const int ENGINE_COUNT = sizeof(ENGINE_REGISTRY) / sizeof(SearchEngine);
 
-static void configure_curl_handle(CURL *curl, const char *full_url, 
-                   MemoryBuffer *chunk,
-                   struct curl_slist *headers) {
+static void configure_curl_handle(CURL *curl, const char *full_url,
+                                  MemoryBuffer *chunk,
+                                  struct curl_slist *headers) {
   curl_easy_setopt(curl, CURLOPT_URL, full_url);
   curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
   curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
@@ -340,152 +362,153 @@ int scrape_engines_parallel(ScrapeJob *jobs, int num_jobs) {
 retry:
   CURLM *multi_handle = curl_multi_init();
   if (!multi_handle) {
-  return -1;
+    return -1;
   }
 
   for (int i = 0; i < num_jobs; i++) {
-  ScrapeJob *job = &jobs[i];
+    ScrapeJob *job = &jobs[i];
 
-  if (job->handle) {
-    curl_easy_cleanup(job->handle);
-    job->handle = NULL;
-  }
-  if (job->response.memory) {
-    free(job->response.memory);
-  }
+    if (job->handle) {
+      curl_easy_cleanup(job->handle);
+      job->handle = NULL;
+    }
+    if (job->response.memory) {
+      free(job->response.memory);
+    }
 
-  job->handle = curl_easy_init();
-  if (!job->handle) {
-    continue;
-  }
+    job->handle = curl_easy_init();
+    if (!job->handle) {
+      continue;
+    }
 
-  job->response.memory = (char *)malloc(16384);
-  job->response.size = 0;
-  job->response.capacity = 16384;
+    job->response.memory = (char *)malloc(16384);
+    job->response.size = 0;
+    job->response.capacity = 16384;
 
-  char full_url[1024];
-  char *encoded_query = curl_easy_escape(job->handle, job->query, 0);
-  if (!encoded_query) {
-    curl_easy_cleanup(job->handle);
-    job->handle = NULL;
-    continue;
-  }
+    char full_url[1024];
+    char *encoded_query = curl_easy_escape(job->handle, job->query, 0);
+    if (!encoded_query) {
+      curl_easy_cleanup(job->handle);
+      job->handle = NULL;
+      continue;
+    }
 
-  int page = (job->page < 1) ? 1 : job->page;
-  int page_value = (page - 1) * job->engine->page_multiplier + job->engine->page_base;
+    int page = (job->page < 1) ? 1 : job->page;
+    int page_value =
+        (page - 1) * job->engine->page_multiplier + job->engine->page_base;
 
-  snprintf(full_url, sizeof(full_url), "%s%s&%s=%d",
-       job->engine->base_url,
-       encoded_query,
-       job->engine->page_param,
-       page_value);
-  curl_free(encoded_query);
+    snprintf(full_url, sizeof(full_url), "%s%s&%s=%d", job->engine->base_url,
+             encoded_query, job->engine->page_param, page_value);
+    curl_free(encoded_query);
 
-  struct curl_slist *headers = NULL;
-  char host_buf[256], ref_buf[256];
-  snprintf(host_buf, sizeof(host_buf), "Host: %s", job->engine->host_header);
-  snprintf(ref_buf, sizeof(ref_buf), "Referer: %s", job->engine->referer);
-  headers = curl_slist_append(headers, host_buf);
-  headers = curl_slist_append(headers, ref_buf);
-  headers = curl_slist_append(headers, "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
-  headers = curl_slist_append(headers, "Accept-Language: en-US,en;q=0.5");
-  headers = curl_slist_append(headers, "DNT: 1");
+    struct curl_slist *headers = NULL;
+    char host_buf[256], ref_buf[256];
+    snprintf(host_buf, sizeof(host_buf), "Host: %s", job->engine->host_header);
+    snprintf(ref_buf, sizeof(ref_buf), "Referer: %s", job->engine->referer);
+    headers = curl_slist_append(headers, host_buf);
+    headers = curl_slist_append(headers, ref_buf);
+    headers = curl_slist_append(
+        headers,
+        "Accept: "
+        "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
+    headers = curl_slist_append(headers, "Accept-Language: en-US,en;q=0.5");
+    headers = curl_slist_append(headers, "DNT: 1");
 
-  configure_curl_handle(job->handle, full_url, &job->response, headers);
+    configure_curl_handle(job->handle, full_url, &job->response, headers);
 
-  curl_easy_setopt(job->handle, CURLOPT_PRIVATE, headers);
+    curl_easy_setopt(job->handle, CURLOPT_PRIVATE, headers);
 
-  curl_multi_add_handle(multi_handle, job->handle);
+    curl_multi_add_handle(multi_handle, job->handle);
   }
 
-  usleep(100000 + (rand() % 100000)); 
+  usleep(100000 + (rand() % 100000));
 
   int still_running = 0;
   curl_multi_perform(multi_handle, &still_running);
 
   do {
-  int numfds = 0;
-  CURLMcode mc = curl_multi_wait(multi_handle, NULL, 0, 1000, &numfds);
+    int numfds = 0;
+    CURLMcode mc = curl_multi_wait(multi_handle, NULL, 0, 1000, &numfds);
 
-  if (mc != CURLM_OK) {
-    break;
-  }
+    if (mc != CURLM_OK) {
+      break;
+    }
 
-  curl_multi_perform(multi_handle, &still_running);
+    curl_multi_perform(multi_handle, &still_running);
   } while (still_running);
 
   CURLMsg *msg;
   int msgs_left;
   while ((msg = curl_multi_info_read(multi_handle, &msgs_left))) {
-  if (msg->msg == CURLMSG_DONE) {
-    CURL *handle = msg->easy_handle;
-
-    for (int i = 0; i < num_jobs; i++) {
-    if (jobs[i].handle && jobs[i].handle == handle) {
-      ScrapeJob *job = &jobs[i];
-
-      long response_code;
-      curl_easy_getinfo(handle, CURLINFO_RESPONSE_CODE, &response_code);
-
-      if (msg->data.result == CURLE_OK && job->response.size > 0) {
-      xmlDocPtr doc = htmlReadMemory(
-        job->response.memory, job->response.size, NULL, NULL,
-        HTML_PARSE_RECOVER | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING);
-
-      if (doc) {
-        job->results_count = job->engine->parser(
-          job->engine->name, doc, job->out_results, job->max_results);
-        xmlFreeDoc(doc);
+    if (msg->msg == CURLMSG_DONE) {
+      CURL *handle = msg->easy_handle;
+
+      for (int i = 0; i < num_jobs; i++) {
+        if (jobs[i].handle && jobs[i].handle == handle) {
+          ScrapeJob *job = &jobs[i];
+
+          long response_code;
+          curl_easy_getinfo(handle, CURLINFO_RESPONSE_CODE, &response_code);
+
+          if (msg->data.result == CURLE_OK && job->response.size > 0) {
+            xmlDocPtr doc = htmlReadMemory(
+                job->response.memory, job->response.size, NULL, NULL,
+                HTML_PARSE_RECOVER | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING);
+
+            if (doc) {
+              job->results_count = job->engine->parser(
+                  job->engine->name, doc, job->out_results, job->max_results);
+              xmlFreeDoc(doc);
+            }
+          } else {
+            job->results_count = 0;
+          }
+
+          struct curl_slist *headers;
+          curl_easy_getinfo(handle, CURLINFO_PRIVATE, &headers);
+          if (headers)
+            curl_slist_free_all(headers);
+
+          free(job->response.memory);
+          job->response.memory = NULL;
+          curl_multi_remove_handle(multi_handle, handle);
+          if (handle)
+            curl_easy_cleanup(handle);
+          job->handle = NULL;
+          break;
+        }
       }
-      } else {
-      job->results_count = 0;
-      }
-
-      struct curl_slist *headers;
-      curl_easy_getinfo(handle, CURLINFO_PRIVATE, &headers);
-      if (headers) curl_slist_free_all(headers);
-
-      free(job->response.memory);
-      job->response.memory = NULL;
-      curl_multi_remove_handle(multi_handle, handle);
-      if (handle) curl_easy_cleanup(handle);
-      job->handle = NULL;
-      break;
-    }
     }
   }
-  }
 
   curl_multi_cleanup(multi_handle);
 
   if (retries < max_proxy_retries && proxy_count > 0) {
-  int any_failed = 0;
-  for (int i = 0; i < num_jobs; i++) {
-    if (jobs[i].results_count == 0 && jobs[i].response.size == 0) {
-    any_failed = 1;
-    break;
+    int any_failed = 0;
+    for (int i = 0; i < num_jobs; i++) {
+      if (jobs[i].results_count == 0 && jobs[i].response.size == 0) {
+        any_failed = 1;
+        break;
+      }
+    }
+    if (any_failed) {
+      retries++;
+      goto retry;
     }
-  }
-  if (any_failed) {
-    retries++;
-    goto retry;
-  }
   }
 
   return 0;
 }
 
 int scrape_engine(const SearchEngine *engine, const char *query,
-          SearchResult **out_results, int max_results) {
-  ScrapeJob job = {
-    .engine = engine,
-    .query = (char *)query,
-    .out_results = out_results,
-    .max_results = max_results,
-    .results_count = 0,
-    .page = 1
-  };
+                  SearchResult **out_results, int max_results) {
+  ScrapeJob job = {.engine = engine,
+                   .query = (char *)query,
+                   .out_results = out_results,
+                   .max_results = max_results,
+                   .results_count = 0,
+                   .page = 1};
 
   scrape_engines_parallel(&job, 1);
   return job.results_count;
-}
+}

src/Scraping/Scraping.h

@@ -1,8 +1,8 @@
 #ifndef SCRAPING_H
 #define SCRAPING_H
 
-#include <libxml/HTMLparser.h>
 #include <curl/curl.h>
+#include <libxml/HTMLparser.h>
 
 typedef struct {
   char *url;
@@ -11,7 +11,7 @@ typedef struct {
 } SearchResult;
 
 typedef int (*ParserFunc)(const char *engine_name, xmlDocPtr doc,
-              SearchResult **out_results, int max_results);
+                          SearchResult **out_results, int max_results);
 
 typedef struct {
   const char *name;
@@ -20,8 +20,8 @@ typedef struct {
   const char *referer;
 
   const char *page_param;
-  int     page_multiplier;
-  int     page_base;
+  int page_multiplier;
+  int page_base;
   ParserFunc parser;
 } SearchEngine;
 
@@ -36,7 +36,7 @@ typedef struct {
   char *query;
   SearchResult **out_results;
   int max_results;
-  int page;      
+  int page;
   CURL *handle;
   MemoryBuffer response;
   int results_count;
@@ -46,7 +46,7 @@ extern const SearchEngine ENGINE_REGISTRY[];
 extern const int ENGINE_COUNT;
 
 int scrape_engine(const SearchEngine *engine, const char *query,
-          SearchResult **out_results, int max_results);
+                  SearchResult **out_results, int max_results);
 
 int scrape_engines_parallel(ScrapeJob *jobs, int num_jobs);
 

src/Utility/Display.c

@@ -5,7 +5,8 @@
 #include <strings.h>
 
 char *pretty_display_url(const char *input) {
-  if (!input) return NULL;
+  if (!input)
+    return NULL;
 
   const char *start = input;
 
@@ -28,7 +29,8 @@ char *pretty_display_url(const char *input) {
   }
 
   char *output = (char *)malloc(strlen(temp) * 3 + 1);
-  if (!output) return NULL;
+  if (!output)
+    return NULL;
 
   size_t j = 0;
   for (size_t i = 0; temp[i] != '\0'; i++) {

src/Utility/Unescape.c

@@ -4,7 +4,8 @@
 #include <string.h>
 
 char *unescape_search_url(const char *input) {
-  if (!input) return NULL;
+  if (!input)
+    return NULL;
 
   const char *key = NULL;
   const char *start = NULL;
@@ -14,7 +15,8 @@ char *unescape_search_url(const char *input) {
   if (strstr(input, "uddg=")) {
     key = "uddg=";
     start = strstr(input, key);
-    if (!start) return NULL;
+    if (!start)
+      return NULL;
     start += strlen(key);
     end = strchr(start, '&');
     len = end ? (size_t)(end - start) : strlen(start);
@@ -23,7 +25,8 @@ char *unescape_search_url(const char *input) {
   else if (strstr(input, "RU=")) {
     key = "RU=";
     start = strstr(input, key);
-    if (!start) return strdup(input);
+    if (!start)
+      return strdup(input);
     start += strlen(key);
     end = strchr(start, '/');
     len = end ? (size_t)(end - start) : strlen(start);
@@ -34,7 +37,8 @@ char *unescape_search_url(const char *input) {
   }
 
   char *output = (char *)malloc(len * 3 + 1);
-  if (!output) return NULL;
+  if (!output)
+    return NULL;
 
   size_t i = 0, j = 0;
   while (i < len) {
@@ -60,7 +64,8 @@ char *unescape_search_url(const char *input) {
 }
 
 char *url_decode_query(const char *src) {
-  if (!src) return NULL;
+  if (!src)
+    return NULL;
   char *res = strdup(src);
   char *p = res;
   while (*src) {

src/Utility/Unescape.h

@@ -7,4 +7,3 @@ char *unescape_search_url(const char *input);
 char *url_decode_query(const char *src);
 
 #endif
-

src/Utility/Utility.c

@@ -1,8 +1,11 @@
 #include "Utility.h"
 
 int hex_to_int(char c) {
-  if (c >= '0' && c <= '9') return c - '0';
-  if (c >= 'a' && c <= 'f') return c - 'a' + 10;
-  if (c >= 'A' && c <= 'F') return c - 'A' + 10;
+  if (c >= '0' && c <= '9')
+    return c - '0';
+  if (c >= 'a' && c <= 'f')
+    return c - 'a' + 10;
+  if (c >= 'A' && c <= 'F')
+    return c - 'A' + 10;
   return -1;
 }

static/opensearch.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <OpenSearchDescription
-	xmlns="http://a9.com/-/spec/opensearch/1.1/"
+ 	xmlns="http://a9.com/-/spec/opensearch/1.1/"
 	xmlns:moz="http://www.mozilla.org/2006/browser/search/">
 	<ShortName>OmniSearch</ShortName>
 	<Description>Lightweight metasearch engine</Description>
@@ -8,4 +8,4 @@
 	<InputEncoding>UTF-8</InputEncoding>
 	<OutputEncoding>UTF-8</OutputEncoding>
 	<moz:SearchForm>https://search.bwaaa.monster/</moz:SearchForm>
-</OpenSearchDescription>
+</OpenSearchDescription>