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sha1-name.c: add repo_find_unique_abbrev_r()

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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2019-04-16 16:33:22 +07:00 committed by Junio C Hamano
parent 7f07c033a6
commit 8bb95572b0
2 changed files with 13 additions and 8 deletions
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6
cache.h
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@ -1045,8 +1045,10 @@ extern void check_repository_format(void);
* Note that while this version avoids the static buffer, it is not fully
* reentrant, as it calls into other non-reentrant git code.
*/
extern const char *find_unique_abbrev(const struct object_id *oid, int len);
extern int find_unique_abbrev_r(char *hex, const struct object_id *oid, int len);
const char *repo_find_unique_abbrev(struct repository *r, const struct object_id *oid, int len);
#define find_unique_abbrev(oid, len) repo_find_unique_abbrev(the_repository, oid, len)
int repo_find_unique_abbrev_r(struct repository *r, char *hex, const struct object_id *oid, int len);
#define find_unique_abbrev_r(hex, oid, len) repo_find_unique_abbrev_r(the_repository, hex, oid, len)
extern const unsigned char null_sha1[GIT_MAX_RAWSZ];
extern const struct object_id null_oid;

15
sha1-name.c
View File

@ -626,15 +626,16 @@ static void find_abbrev_len_packed(struct min_abbrev_data *mad)
find_abbrev_len_for_pack(p, mad);
}
int find_unique_abbrev_r(char *hex, const struct object_id *oid, int len)
int repo_find_unique_abbrev_r(struct repository *r, char *hex,
const struct object_id *oid, int len)
{
struct disambiguate_state ds;
struct min_abbrev_data mad;
struct object_id oid_ret;
const unsigned hexsz = the_hash_algo->hexsz;
const unsigned hexsz = r->hash_algo->hexsz;
if (len < 0) {
unsigned long count = approximate_object_count();
unsigned long count = repo_approximate_object_count(r);
/*
* Add one because the MSB only tells us the highest bit set,
* not including the value of all the _other_ bits (so "15"
@ -659,7 +660,7 @@ int find_unique_abbrev_r(char *hex, const struct object_id *oid, int len)
if (len == hexsz || !len)
return hexsz;
mad.repo = the_repository;
mad.repo = r;
mad.init_len = len;
mad.cur_len = len;
mad.hex = hex;
@ -681,13 +682,15 @@ int find_unique_abbrev_r(char *hex, const struct object_id *oid, int len)
return mad.cur_len;
}
const char *find_unique_abbrev(const struct object_id *oid, int len)
const char *repo_find_unique_abbrev(struct repository *r,
const struct object_id *oid,
int len)
{
static int bufno;
static char hexbuffer[4][GIT_MAX_HEXSZ + 1];
char *hex = hexbuffer[bufno];
bufno = (bufno + 1) % ARRAY_SIZE(hexbuffer);
find_unique_abbrev_r(hex, oid, len);
repo_find_unique_abbrev_r(r, hex, oid, len);
return hex;
}