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Do not use memcmp(sha1_1, sha1_2, 20) with hardcoded length.

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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>
This commit is contained in:
David Rientjes
2006-08-17 11:54:57 -07:00
committed by Junio C Hamano
parent d4baf9eaf4
commit a89fccd281
31 changed files with 74 additions and 71 deletions
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4
builtin-unpack-objects.c
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@ -136,7 +136,7 @@ static void added_object(unsigned char *sha1, const char *type, void *data, unsi
struct delta_info *info;
while ((info = *p) != NULL) {
if (!memcmp(info->base_sha1, sha1, 20)) {
if (!hashcmp(info->base_sha1, sha1)) {
*p = info->next;
p = &delta_list;
resolve_delta(type, data, size, info->delta, info->size);
@ -292,7 +292,7 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix)
unpack_all();
SHA1_Update(&ctx, buffer, offset);
SHA1_Final(sha1, &ctx);
if (memcmp(fill(20), sha1, 20))
if (hashcmp(fill(20), sha1))
die("final sha1 did not match");
use(20);