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authorLars Hjemli <hjemli@gmail.com>2007-01-16 18:41:01 +0100
committerLars Hjemli <hjemli@gmail.com>2007-01-16 18:41:01 +0100
commit66091f934a2d064ae55095cdc5ae008b43ea60fe (patch)
tree3faeafcfff2b21313464d9b919cd4b76b12a5fe9
parent5cd2bf7e7f3f3daf6107cd3a269bad78e342de70 (diff)
Handle empty/malformed commit messages
An empty commit message would trigger a segfault in the current
cgit_parse_commit().

Also, make sure that all char-pointers are properly initialized.
-rw-r--r--parsing.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/parsing.c b/parsing.c
index 4173dd4..4412dee 100644
--- a/parsing.c
+++ b/parsing.c
@@ -145,6 +145,12 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 
 	ret = xmalloc(sizeof(*ret));
 	ret->commit = commit;
+	ret->author = NULL;
+	ret->author_email = NULL;
+	ret->committer = NULL;
+	ret->committer_email = NULL;
+	ret->subject = NULL;
+	ret->msg = NULL;
 
 	if (strncmp(p, "tree ", 5))
 		die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
@@ -180,12 +186,13 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 		p = strchr(p, '\n') + 1;
 
 	t = strchr(p, '\n');
-	ret->subject = substr(p, t);
-	p = t + 1;
-
-	while (*p == '\n')
-		p = strchr(p, '\n') + 1;
-	ret->msg = p;
+	if (t && *t) {
+		ret->subject = substr(p, t);
+		p = t + 1;
 
+		while (*p == '\n')
+			p = strchr(p, '\n') + 1;
+		ret->msg = p;
+	}
 	return ret;
 }