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commit: replace the raw buffer with strbuf in read_graft_line

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This simplifies function declaration and allows for use of strbuf_rtrim
instead of modifying buffer directly.

Signed-off-by: Patryk Obara <patryk.obara@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patryk Obara 2017-08-18 20:33:12 +02:00 committed by Junio C Hamano
parent 50c5cd5800
commit 9a9340329a
3 changed files with 13 additions and 14 deletions
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2
builtin/blame.c
View File

@ -488,7 +488,7 @@ static int read_ancestry(const char *graft_file)
return -1;
while (!strbuf_getwholeline(&buf, fp, '\n')) {
/* The format is just "Commit Parent1 Parent2 ...\n" */
struct commit_graft *graft = read_graft_line(buf.buf, buf.len);
struct commit_graft *graft = read_graft_line(&buf);
if (graft)
register_commit_graft(graft, 0);
}

23
commit.c
View File

@ -134,34 +134,33 @@ int register_commit_graft(struct commit_graft *graft, int ignore_dups)
return 0;
}
struct commit_graft *read_graft_line(char *buf, int len)
struct commit_graft *read_graft_line(struct strbuf *line)
{
/* The format is just "Commit Parent1 Parent2 ...\n" */
int i;
struct commit_graft *graft = NULL;
const int entry_size = GIT_SHA1_HEXSZ + 1;
while (len && isspace(buf[len-1]))
buf[--len] = '\0';
if (buf[0] == '#' || buf[0] == '\0')
strbuf_rtrim(line);
if (!line->len || line->buf[0] == '#')
return NULL;
if ((len + 1) % entry_size)
if ((line->len + 1) % entry_size)
goto bad_graft_data;
i = (len + 1) / entry_size - 1;
i = (line->len + 1) / entry_size - 1;
graft = xmalloc(st_add(sizeof(*graft), st_mult(GIT_SHA1_RAWSZ, i)));
graft->nr_parent = i;
if (get_oid_hex(buf, &graft->oid))
if (get_oid_hex(line->buf, &graft->oid))
goto bad_graft_data;
for (i = GIT_SHA1_HEXSZ; i < len; i += entry_size) {
if (buf[i] != ' ')
for (i = GIT_SHA1_HEXSZ; i < line->len; i += entry_size) {
if (line->buf[i] != ' ')
goto bad_graft_data;
if (get_sha1_hex(buf + i + 1, graft->parent[i/entry_size].hash))
if (get_sha1_hex(line->buf + i + 1, graft->parent[i/entry_size].hash))
goto bad_graft_data;
}
return graft;
bad_graft_data:
error("bad graft data: %s", buf);
error("bad graft data: %s", line->buf);
free(graft);
return NULL;
}
@ -174,7 +173,7 @@ static int read_graft_file(const char *graft_file)
return -1;
while (!strbuf_getwholeline(&buf, fp, '\n')) {
/* The format is just "Commit Parent1 Parent2 ...\n" */
struct commit_graft *graft = read_graft_line(buf.buf, buf.len);
struct commit_graft *graft = read_graft_line(&buf);
if (!graft)
continue;
if (register_commit_graft(graft, 1))

2
commit.h
View File

@ -247,7 +247,7 @@ struct commit_graft {
};
typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
struct commit_graft *read_graft_line(char *buf, int len);
struct commit_graft *read_graft_line(struct strbuf *line);
int register_commit_graft(struct commit_graft *, int);
struct commit_graft *lookup_commit_graft(const struct object_id *oid);