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builtin/fmt-merge-msg: make hash independent

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Convert several uses of GIT_SHA1_HEXSZ into references to the_hash_algo.
Switch other uses into a use of parse_oid_hex and uses of its computed
pointer.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2018-07-16 01:28:02 +00:00 committed by Junio C Hamano
parent fe04ccf7ca
commit 5188eb5d8e
1 changed files with 10 additions and 9 deletions
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19
builtin/fmt-merge-msg.c
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@ -108,14 +108,15 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
struct string_list_item *item;
int pulling_head = 0;
struct object_id oid;
const unsigned hexsz = the_hash_algo->hexsz;
if (len < GIT_SHA1_HEXSZ + 3 || line[GIT_SHA1_HEXSZ] != '\t')
if (len < hexsz + 3 || line[hexsz] != '\t')
return 1;
if (starts_with(line + GIT_SHA1_HEXSZ + 1, "not-for-merge"))
if (starts_with(line + hexsz + 1, "not-for-merge"))
return 0;
if (line[GIT_SHA1_HEXSZ + 1] != '\t')
if (line[hexsz + 1] != '\t')
return 2;
i = get_oid_hex(line, &oid);
@ -130,7 +131,7 @@ static int handle_line(char *line, struct merge_parents *merge_parents)
if (line[len - 1] == '\n')
line[len - 1] = 0;
line += GIT_SHA1_HEXSZ + 2;
line += hexsz + 2;
/*
* At this point, line points at the beginning of comment e.g.
@ -342,7 +343,7 @@ static void shortlog(const char *name,
const struct object_id *oid = &origin_data->oid;
int limit = opts->shortlog_len;
branch = deref_tag(parse_object(oid), oid_to_hex(oid), GIT_SHA1_HEXSZ);
branch = deref_tag(parse_object(oid), oid_to_hex(oid), the_hash_algo->hexsz);
if (!branch || branch->type != OBJ_COMMIT)
return;
@ -545,6 +546,7 @@ static void find_merge_parents(struct merge_parents *result,
int len;
char *p = in->buf + pos;
char *newline = strchr(p, '\n');
const char *q;
struct object_id oid;
struct commit *parent;
struct object *obj;
@ -552,10 +554,9 @@ static void find_merge_parents(struct merge_parents *result,
len = newline ? newline - p : strlen(p);
pos += len + !!newline;
if (len < GIT_SHA1_HEXSZ + 3 ||
get_oid_hex(p, &oid) ||
p[GIT_SHA1_HEXSZ] != '\t' ||
p[GIT_SHA1_HEXSZ + 1] != '\t')
if (parse_oid_hex(p, &oid, &q) ||
q[0] != '\t' ||
q[1] != '\t')
continue; /* skip not-for-merge */
/*
* Do not use get_merge_parent() here; we do not have