index caa4fc67a593a20ee10fb5067380d9123c1d5302..cda5a41142a212968df502dc31eb9d6e13f54d50 100644 (file)
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.339 2006年08月13日 02:22:24 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.340 2006年08月13日 15:37:02 momjian Exp $
*
*--------------------------------------------------------------------
*/
@@ -4082,9 +4082,9 @@ verify_config_option(const char *name, const char *value,
if (parse_value(elevel, record, value, &source, false, NULL))
{
/*
- * Mark record like presented in the config file. Be carefull if
+ * Mark record as present in the config file. Be carefull if
* you use this function for another purpose than config file
- * verification. It causes confusion configfile parser.
+ * verification. It causes confusion in the config file parser.
*/
record->status |= GUC_IN_CONFFILE;
@@ -5512,7 +5512,10 @@ is_newvalue_equal(struct config_generic *record, const char *newvalue)
{
struct config_string *conf = (struct config_string *) record;
- return strcmp(*conf->variable, newvalue) == 0;
+ if (!*conf->variable) /* custom variable with no value yet */
+ return false;
+ else
+ return strcmp(*conf->variable, newvalue) == 0;
}
}