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index-pack: use hash_sha1_file()

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Use hash_sha1_file() instead of duplicating code to compute object SHA1.
While at it make it accept a const pointer.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Nicolas Pitre
2007-03-20 16:02:09 -04:00
committed by Junio C Hamano
parent 8685da4256
commit ce9fbf16e0
3 changed files with 4 additions and 23 deletions
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21
index-pack.c
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@ -348,26 +348,7 @@ static void sha1_object(const void *data, unsigned long size,
enum object_type type, unsigned char *sha1,
int test_for_collision)
{
SHA_CTX ctx;
char header[50];
int header_size;
const char *type_str;
switch (type) {
case OBJ_COMMIT: type_str = commit_type; break;
case OBJ_TREE: type_str = tree_type; break;
case OBJ_BLOB: type_str = blob_type; break;
case OBJ_TAG: type_str = tag_type; break;
default:
die("bad type %d", type);
}
header_size = sprintf(header, "%s %lu", type_str, size) + 1;
SHA1_Init(&ctx);
SHA1_Update(&ctx, header, header_size);
SHA1_Update(&ctx, data, size);
SHA1_Final(sha1, &ctx);
hash_sha1_file(data, size, typename(type), sha1);
if (test_for_collision && has_sha1_file(sha1)) {
void *has_data;