Fixed bug with config file write (crash on FreeBSD)

1 files changed, 9 insertions, 8 deletions

diff --git a/src/core/wee-config-file.c b/src/core/wee-config-file.c
index 82f94c04c..fd352ee69 100644
--- a/src/core/wee-config-file.c
+++ b/src/core/wee-config-file.c
@@ -810,18 +810,19 @@ config_file_write_line (struct t_config_file *config_file,
     if (!config_file || !option_name)
         return;
     
-    va_start (argptr, value);
-    vsnprintf (buf, sizeof (buf) - 1, value, argptr);
-    va_end (argptr);
-    
-    if (!buf[0])
-        string_iconv_fprintf (config_file->file, "\n[%s]\n",
-                              option_name);
-    else
+    if (value)
     {
+        va_start (argptr, value);
+        vsnprintf (buf, sizeof (buf) - 1, value, argptr);
+        va_end (argptr);
         string_iconv_fprintf (config_file->file, "%s = %s\n",
                               option_name, buf);
     }
+    else
+    {
+        string_iconv_fprintf (config_file->file, "\n[%s]\n",
+                              option_name);
+    }
 }
 
 /*