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authorDavid Rientjes <rientjes@google.com>2006-08-17 18:54:57 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-08-17 21:23:53 (GMT)
commita89fccd28197fa179828c8596791ff16e2268d20 (patch)
tree4a6c2b256a986fc221c0e1d5fa7d910f3b31eee8 /builtin-diff.c
parentd4baf9eaf47ea1ba204f1ab5ecd22326913dd081 (diff)
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Do not use memcmp(sha1_1, sha1_2, 20) with hardcoded length.
Introduces global inline: hashcmp(const unsigned char *sha1, const unsigned char *sha2) Uses memcmp for comparison and returns the result based on the length of the hash name (a future runtime decision). Acked-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'builtin-diff.c')
-rw-r--r--builtin-diff.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtin-diff.c b/builtin-diff.c
index 40e5c96..874f773 100644
--- a/builtin-diff.c
+++ b/builtin-diff.c
@@ -69,7 +69,7 @@ static void stuff_change(struct diff_options *opt,
struct diff_filespec *one, *two;
if (!is_null_sha1(old_sha1) && !is_null_sha1(new_sha1) &&
- !memcmp(old_sha1, new_sha1, 20))
+ !hashcmp(old_sha1, new_sha1))
return;
if (opt->reverse_diff) {