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http-push: use hex_to_bytes() 

The path of a loose object contains its hash value encoded into two
substrings of hexadecimal digits, separated by a slash.  The current
code copies the pieces into a temporary buffer to get rid of the slash
and then uses get_oid_hex() to decode the hash value.

Avoid the copy by using hex_to_bytes() directly on the substrings.
That's shorter and easier.

While at it correct the length of the second substring in a comment.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2017-10-31 14:49:56 +01:00 committed by Junio C Hamano
parent 0ec218656a
commit c3bdc4e779
1 changed files with 4 additions and 6 deletions
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http-push.c
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@ -1007,20 +1007,18 @@ static void remote_ls(const char *path, int flags,
void (*userFunc)(struct remote_ls_ctx *ls),
void *userData);
/* extract hex from sharded "xx/x{40}" filename */
/* extract hex from sharded "xx/x{38}" filename */
static int get_oid_hex_from_objpath(const char *path, struct object_id *oid)
{
char hex[GIT_MAX_HEXSZ];
if (strlen(path) != GIT_SHA1_HEXSZ + 1)
return -1;
memcpy(hex, path, 2);
if (hex_to_bytes(oid->hash, path, 1))
return -1;
path += 2;
path++; /* skip '/' */
memcpy(hex + 2, path, GIT_SHA1_HEXSZ - 2);
return get_oid_hex(hex, oid);
return hex_to_bytes(oid->hash + 1, path, GIT_SHA1_RAWSZ - 1);
}
static void process_ls_object(struct remote_ls_ctx *ls)