Return absolute path for info_get of "weechat_dir" (bug #27936)

ChangeLog

@@ -1,7 +1,7 @@
 WeeChat ChangeLog
 =================
 FlashCode <flashcode@flashtux.org>
-v0.3.2-dev, 2010-03-07
+v0.3.2-dev, 2010-03-08
 
 
 Version 0.3.2 (under dev!)
@@ -35,6 +35,7 @@ Version 0.3.2 (under dev!)
 * api: fix function "color" in Lua script API
 * api: fix "inactivity" value when no key has been pressed since WeeChat started
   (bug #28930)
+* api: return absolute path for info_get of "weechat_dir" (bug #27936)
 * scripts: allow script commands to reload only one script
 * perl: fix crash when callbacks are called during script initialization
   (bug #29018)

src/plugins/plugin-api.c

@@ -24,6 +24,7 @@
 #endif
 
 #include <errno.h>
+#include <limits.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <stdarg.h>
@@ -260,6 +261,7 @@ plugin_api_info_get_internal (void *data, const char *info_name,
 {
     time_t inactivity;
     static char value[32], version_number[32] = { '\0' };
+    static char weechat_dir_absolute_path[PATH_MAX] = { '\0' };
     
     /* make C compiler happy */
     (void) data;
@@ -291,7 +293,12 @@ plugin_api_info_get_internal (void *data, const char *info_name,
     }
     else if (string_strcasecmp (info_name, "weechat_dir") == 0)
     {
-        return weechat_home;
+        if (!weechat_dir_absolute_path[0])
+        {
+            realpath (weechat_home, weechat_dir_absolute_path);
+        }
+        return (weechat_dir_absolute_path[0]) ?
+            weechat_dir_absolute_path : weechat_home;
     }
     else if (string_strcasecmp (info_name, "weechat_libdir") == 0)
     {