git.c: guard config parser from value=NULL

alias.* configuration expects a string value Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-02-11 10:56:06 -08:00 · 2008-02-11 10:56:06 -08:00 · e08404a82d
commit e08404a82d
parent 64f30e948b
1 changed files with 2 additions and 0 deletions
--- a/git.c
+++ b/git.c
@ -93,6 +93,8 @@ static char *alias_string;
 static int git_alias_config(const char *var, const char *value)
 {
 	if (!prefixcmp(var, "alias.") && !strcmp(var + 6, alias_command)) {
+		if (!value)
+			return config_error_nonbool(var);
 		alias_string = xstrdup(value);
 	}
 	return 0;