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Diffstat (limited to 'tag.c')
-rw-r--r--tag.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/tag.c b/tag.c
index f789744..7d38cc0 100644
--- a/tag.c
+++ b/tag.c
@@ -56,7 +56,7 @@ static unsigned long parse_tag_date(const char *buf, const char *tail)
return strtoul(dateptr, NULL, 10);
}
-int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
+int parse_tag_buffer(struct tag *item, const void *data, unsigned long size)
{
unsigned char sha1[20];
char type[20];
@@ -97,7 +97,9 @@ int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
item->tagged = NULL;
}
- if (prefixcmp(bufptr, "tag "))
+ if (bufptr + 4 < tail && !prefixcmp(bufptr, "tag "))
+ ; /* good */
+ else
return -1;
bufptr += 4;
nl = memchr(bufptr, '\n', tail - bufptr);
@@ -106,7 +108,7 @@ int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
item->tag = xmemdupz(bufptr, nl - bufptr);
bufptr = nl + 1;
- if (!prefixcmp(bufptr, "tagger "))
+ if (bufptr + 7 < tail && !prefixcmp(bufptr, "tagger "))
item->date = parse_tag_date(bufptr, tail);
else
item->date = 0;