Protect curl global variable

Add prefix to avoid clashes with other programs.

Author: dspinellis

src/fetch_anthropic.c

@@ -90,7 +90,7 @@ acl_fetch_anthropic(config_t *config, const char *prompt, int history_length)
 {
 	CURLcode res;
 
-	if (!curl && initialize(config) < 0)
+	if (!acl_curl && initialize(config) < 0)
 		return NULL;
 
 	if (config->general_verbose)
@@ -166,13 +166,13 @@ acl_fetch_anthropic(config_t *config, const char *prompt, int history_length)
 
 	acl_write_log(config, json_request.ptr);
 
-	curl_easy_setopt(curl, CURLOPT_URL, config->anthropic_endpoint);
-	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
-	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, acl_string_write);
-	curl_easy_setopt(curl, CURLOPT_WRITEDATA, &json_response);
-	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, json_request.ptr);
+	curl_easy_setopt(acl_curl, CURLOPT_URL, config->anthropic_endpoint);
+	curl_easy_setopt(acl_curl, CURLOPT_HTTPHEADER, headers);
+	curl_easy_setopt(acl_curl, CURLOPT_WRITEFUNCTION, acl_string_write);
+	curl_easy_setopt(acl_curl, CURLOPT_WRITEDATA, &json_response);
+	curl_easy_setopt(acl_curl, CURLOPT_POSTFIELDS, json_request.ptr);
 
-	res = curl_easy_perform(curl);
+	res = curl_easy_perform(acl_curl);
 
 	if (res != CURLE_OK) {
 		free(json_request.ptr);

src/fetch_llamacpp.c

@@ -101,7 +101,7 @@ acl_fetch_llamacpp(config_t *config, const char *prompt, int history_length)
 {
 	CURLcode res;
 
-	if (!curl && initialize(config) < 0)
+	if (!acl_curl && initialize(config) < 0)
 		return NULL;
 
 	if (config->general_verbose)
@@ -179,13 +179,13 @@ acl_fetch_llamacpp(config_t *config, const char *prompt, int history_length)
 
 	acl_write_log(config, json_request.ptr);
 
-	curl_easy_setopt(curl, CURLOPT_URL, config->llamacpp_endpoint);
-	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
-	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, acl_string_write);
-	curl_easy_setopt(curl, CURLOPT_WRITEDATA, &json_response);
-	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, json_request.ptr);
+	curl_easy_setopt(acl_curl, CURLOPT_URL, config->llamacpp_endpoint);
+	curl_easy_setopt(acl_curl, CURLOPT_HTTPHEADER, headers);
+	curl_easy_setopt(acl_curl, CURLOPT_WRITEFUNCTION, acl_string_write);
+	curl_easy_setopt(acl_curl, CURLOPT_WRITEDATA, &json_response);
+	curl_easy_setopt(acl_curl, CURLOPT_POSTFIELDS, json_request.ptr);
 
-	res = curl_easy_perform(curl);
+	res = curl_easy_perform(acl_curl);
 
 	if (res != CURLE_OK) {
 		free(json_request.ptr);

src/fetch_openai.c

@@ -87,7 +87,7 @@ acl_fetch_openai(config_t *config, const char *prompt, int history_length)
 {
 	CURLcode res;
 
-	if (!curl && initialize(config) < 0)
+	if (!acl_curl && initialize(config) < 0)
 		return NULL;
 
 	if (config->general_verbose)
@@ -144,13 +144,13 @@ acl_fetch_openai(config_t *config, const char *prompt, int history_length)
 
 	acl_write_log(config, json_request.ptr);
 
-	curl_easy_setopt(curl, CURLOPT_URL, config->openai_endpoint);
-	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
-	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, acl_string_write);
-	curl_easy_setopt(curl, CURLOPT_WRITEDATA, &json_response);
-	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, json_request.ptr);
+	curl_easy_setopt(acl_curl, CURLOPT_URL, config->openai_endpoint);
+	curl_easy_setopt(acl_curl, CURLOPT_HTTPHEADER, headers);
+	curl_easy_setopt(acl_curl, CURLOPT_WRITEFUNCTION, acl_string_write);
+	curl_easy_setopt(acl_curl, CURLOPT_WRITEDATA, &json_response);
+	curl_easy_setopt(acl_curl, CURLOPT_POSTFIELDS, json_request.ptr);
 
-	res = curl_easy_perform(curl);
+	res = curl_easy_perform(acl_curl);
 
 	if (res != CURLE_OK) {
 		free(json_request.ptr);

src/support.c

@@ -37,7 +37,7 @@
 #include "support.h"
 
 static FILE *logfile;
-CURL *curl;
+CURL *acl_curl;
 
 // Exit with the specified formatted error message
 void
@@ -253,7 +253,7 @@ timestamp(FILE *f)
 }
 
 /*
- * Initialize curl connections
+ * Initialize Curl connections
  * Return 0 on success -1 on error
  */
 int
@@ -282,10 +282,10 @@ curl_initialize(config_t *config)
 
 	curl_global_init(CURL_GLOBAL_DEFAULT);
 
-	curl = curl_easy_init();
-	if (!curl)
+	acl_curl = curl_easy_init();
+	if (!acl_curl)
 		acl_readline_printf("\nCURL initialization failed.\n");
-	return curl ? 0 : -1;
+	return acl_curl ? 0 : -1;
 }
 
 // Write the specified string to the logfile, if enabled

src/support.h

@@ -25,7 +25,7 @@
 
 #include "config.h"
 
-extern CURL *curl;
+extern CURL *acl_curl;
 
 int acl_safe_asprintf(char **strp, const char *fmt, ...);
 char *acl_safe_strdup(const char *s);