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sha1-file: pass git_hash_algo to write_object_file_prepare() 

Allow write_object_file_prepare() to receive arbitrary 'struct
git_hash_algo's instead of always using the_hash_algo. The added
parameter will be used in the next commit to make hash_object_file() be
able to work with arbitrary git_hash_algo's, as well.

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Matheus Tavares 2020-01-30 17:32:21 -03:00 committed by Junio C Hamano
parent c8123e72f6
commit 7ad5c44d9c
1 changed files with 12 additions and 8 deletions
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20
sha1-file.c
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@ -1648,7 +1648,8 @@ void *read_object_with_reference(struct repository *r,
}
}
static void write_object_file_prepare(const void *buf, unsigned long len,
static void write_object_file_prepare(const struct git_hash_algo *algo,
const void *buf, unsigned long len,
const char *type, struct object_id *oid,
char *hdr, int *hdrlen)
{
@ -1658,10 +1659,10 @@ static void write_object_file_prepare(const void *buf, unsigned long len,
*hdrlen = xsnprintf(hdr, *hdrlen, "%s %"PRIuMAX , type, (uintmax_t)len)+1;
/* Sha1.. */
the_hash_algo->init_fn(&c);
the_hash_algo->update_fn(&c, hdr, *hdrlen);
the_hash_algo->update_fn(&c, buf, len);
the_hash_algo->final_fn(oid->hash, &c);
algo->init_fn(&c);
algo->update_fn(&c, hdr, *hdrlen);
algo->update_fn(&c, buf, len);
algo->final_fn(oid->hash, &c);
}
/*
@ -1719,7 +1720,8 @@ int hash_object_file(const void *buf, unsigned long len, const char *type,
{
char hdr[MAX_HEADER_LEN];
int hdrlen = sizeof(hdr);
write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
write_object_file_prepare(the_hash_algo, buf, len, type, oid, hdr,
&hdrlen);
return 0;
}
@ -1877,7 +1879,8 @@ int write_object_file(const void *buf, unsigned long len, const char *type,
/* Normally if we have it in the pack then we do not bother writing
* it out into .git/objects/??/?{38} file.
*/
write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
write_object_file_prepare(the_hash_algo, buf, len, type, oid, hdr,
&hdrlen);
if (freshen_packed_object(oid) || freshen_loose_object(oid))
return 0;
return write_loose_object(oid, hdr, hdrlen, buf, len, 0);
@ -1893,7 +1896,8 @@ int hash_object_file_literally(const void *buf, unsigned long len,
/* type string, SP, %lu of the length plus NUL must fit this */
hdrlen = strlen(type) + MAX_HEADER_LEN;
header = xmalloc(hdrlen);
write_object_file_prepare(buf, len, type, oid, header, &hdrlen);
write_object_file_prepare(the_hash_algo, buf, len, type, oid, header,
&hdrlen);
if (!(flags & HASH_WRITE_OBJECT))
goto cleanup;