core: call curl init and cleanup functions

This is to prevent issues when these functions are not thread-safe.

src/core/wee-url.c

@@ -1573,3 +1573,23 @@ weeurl_option_add_to_infolist (struct t_infolist *infolist,
 
     return 1;
 }
+
+/*
+ * Initializes URL.
+ */
+
+void
+weeurl_init ()
+{
+    curl_global_init (CURL_GLOBAL_ALL);
+}
+
+/*
+ * Ends URL.
+ */
+
+void
+weeurl_end ()
+{
+    curl_global_cleanup ();
+}

src/core/wee-url.h

@@ -62,5 +62,7 @@ extern int weeurl_download (const char *url, struct t_hashtable *options,
                             struct t_hashtable *output);
 extern int weeurl_option_add_to_infolist (struct t_infolist *infolist,
                                           struct t_url_option *option);
+extern void weeurl_init ();
+extern void weeurl_end ();
 
 #endif /* WEECHAT_URL_H */

src/core/weechat.c

@@ -74,6 +74,7 @@
 #include "wee-signal.h"
 #include "wee-string.h"
 #include "wee-upgrade.h"
+#include "wee-url.h"
 #include "wee-utf8.h"
 #include "wee-util.h"
 #include "wee-version.h"
@@ -640,6 +641,7 @@ weechat_init (int argc, char *argv[], void (*gui_init_cb)())
             * weechat_current_start_timeval.tv_usec)
            ^ getpid ());
 
+    weeurl_init ();                     /* initialize URL                   */
     signal_init ();                     /* initialize signals               */
     hdata_init ();                      /* initialize hdata                 */
     hook_init ();                       /* initialize hooks                 */
@@ -720,5 +722,6 @@ weechat_end (void (*gui_end_cb)(int clean_exit))
     hdata_end ();                       /* end hdata                        */
     secure_end ();                      /* end secured data                 */
     string_end ();                      /* end string                       */
+    weeurl_end ();
     weechat_shutdown (-1, 0);           /* end other things                 */
 }