Allow parsing plugin_instance in parse_option().

isalnum() is not enough to catch the underscore.

Signed-off-by: Florian Forster <octo@collectd.org>

diff --git a/src/utils_parse_option.c b/src/utils_parse_option.c
index 2168cd1af3d624801146905b853adb0c92db3d7b..820f14f58ef1da32cdfbe73c016c7fefdba4a0b0 100644 (file)
--- a/src/utils_parse_option.c
+++ b/src/utils_parse_option.c
@@ -127,7 +127,7 @@ int parse_option (char **ret_buffer, char **ret_key, char **ret_value)
 
   /* Look for the equal sign */
   buffer = key;
-  while (isalnum ((int) *buffer))
+  while (isalnum ((int) *buffer) || *buffer == '_')
     buffer++;
   if ((*buffer != '=') || (buffer == key))
     return (1);