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grep: use writable strbuf from caller for grep_tree()

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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 2010-12-17 19:44:25 +07:00 committed by Junio C Hamano
parent 2ed2437a14
commit e5e062b6dc
1 changed files with 24 additions and 27 deletions
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51
builtin/grep.c
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@ -619,43 +619,29 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int
}
static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
struct tree_desc *tree,
const char *tree_name, const char *base)
struct tree_desc *tree, struct strbuf *base, int tn_len)
{
int len;
int hit = 0;
struct name_entry entry;
char *down;
int tn_len = strlen(tree_name);
struct strbuf pathbuf;
strbuf_init(&pathbuf, PATH_MAX + tn_len);
if (tn_len) {
strbuf_add(&pathbuf, tree_name, tn_len);
strbuf_addch(&pathbuf, ':');
tn_len = pathbuf.len;
}
strbuf_addstr(&pathbuf, base);
len = pathbuf.len;
int old_baselen = base->len;
while (tree_entry(tree, &entry)) {
int te_len = tree_entry_len(entry.path, entry.sha1);
pathbuf.len = len;
strbuf_add(&pathbuf, entry.path, te_len);
strbuf_add(base, entry.path, te_len);
if (S_ISDIR(entry.mode))
/* Match "abc/" against pathspec to
* decide if we want to descend into "abc"
* directory.
*/
strbuf_addch(&pathbuf, '/');
strbuf_addch(base, '/');
down = pathbuf.buf + tn_len;
if (!pathspec_matches(pathspec->raw, down, opt->max_depth))
if (!pathspec_matches(pathspec->raw, base->buf + tn_len, opt->max_depth))
;
else if (S_ISREG(entry.mode))
hit |= grep_sha1(opt, entry.sha1, pathbuf.buf, tn_len);
else if (S_ISREG(entry.mode)) {
hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len);
}
else if (S_ISDIR(entry.mode)) {
enum object_type type;
struct tree_desc sub;
@ -667,13 +653,14 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
die("unable to read tree (%s)",
sha1_to_hex(entry.sha1));
init_tree_desc(&sub, data, size);
hit |= grep_tree(opt, pathspec, &sub, tree_name, down);
hit |= grep_tree(opt, pathspec, &sub, base, tn_len);
free(data);
}
strbuf_setlen(base, old_baselen);
if (hit && opt->status_only)
break;
}
strbuf_release(&pathbuf);
return hit;
}
@ -686,13 +673,23 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec,
struct tree_desc tree;
void *data;
unsigned long size;
int hit;
struct strbuf base;
int hit, len;
data = read_object_with_reference(obj->sha1, tree_type,
&size, NULL);
if (!data)
die("unable to read tree (%s)", sha1_to_hex(obj->sha1));
len = name ? strlen(name) : 0;
strbuf_init(&base, PATH_MAX + len + 1);
if (len) {
strbuf_add(&base, name, len);
strbuf_addch(&base, ':');
}
init_tree_desc(&tree, data, size);
hit = grep_tree(opt, pathspec, &tree, name, "");
hit = grep_tree(opt, pathspec, &tree, &base, base.len);
strbuf_release(&base);
free(data);
return hit;
}