X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/652a5a18db3b0409fedfaf8c5720446d87628ba0..bdae1d8a8d39206ac75ab86f8e9ef53b2f29432e:/parsing.c

diff --git a/parsing.c b/parsing.c
index 151c0fe..9b7efb3 100644
--- 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';
@@ -110,7 +112,7 @@ const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
 		return *txt;
 
 	/* no encoding needed if src_enc equals dst_enc */
-	if(!strcasecmp(src_enc, dst_enc))
+	if (!strcasecmp(src_enc, dst_enc))
 		return *txt;
 
 	tmp = reencode_string(*txt, dst_enc, src_enc);
@@ -125,7 +127,7 @@ const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
 struct commitinfo *cgit_parse_commit(struct commit *commit)
 {
 	struct commitinfo *ret;
-	char *p = commit->buffer, *t = commit->buffer;
+	char *p = commit->buffer, *t;
 
 	ret = xmalloc(sizeof(*ret));
 	ret->commit = commit;
@@ -168,7 +170,7 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 	}
 
 	/* if no special encoding is found, assume UTF-8 */
-	if(!ret->msg_encoding)
+	if (!ret->msg_encoding)
 		ret->msg_encoding = xstrdup("UTF-8");
 
 	// skip unknown header fields