ui-repolist: do not use agefile if it's date could not be parsed

[cgit.git] / parsing.c

diff --git a/parsing.c b/parsing.c
index 602e3de799469ebe8900ee3928638fcac7e850df..1b2a551417f621733eaa4c5bbe2d5e8bf3de75dc 100644 (file)
--- a/parsing.c
+++ b/parsing.c
@@ -56,6 +56,8 @@ char *substr(const char *head, const char *tail)
 {
        char *buf;
 
+       if (tail < head)
+               return xstrdup("");
        buf = xmalloc(tail - head + 1);
        strncpy(buf, head, tail - head);
        buf[tail - head] = '\0';