Check for NULL commit buffer in cgit_parse_commit()

This can be NULL, so try not to segfault.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/parsing.c b/parsing.c
index b86467a..74a2484 100644
--- a/parsing.c
+++ b/parsing.c
@@ -195,16 +195,19 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
         ret->commit = commit;
         ret->author = NULL;
         ret->author_email = NULL;
         ret->committer = NULL;
         ret->committer_email = NULL;
         ret->subject = NULL;
         ret->msg = NULL;
 
+        if (p == NULL)
+                return ret;
+
         if (strncmp(p, "tree ", 5))
                 die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
         else
                 p += 46; // "tree " + hex[40] + "\n"
 
         while (!strncmp(p, "parent ", 7))
                 p += 48; // "parent " + hex[40] + "\n"