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tree-walk: drop unused base_offset from do_match() 

The tree-walk.c:do_match() function takes base_offset but just like
tree_entry_interesting() we dealt with earlier, nobody passes a
value other than 0 in it.  Get rid of the parameter to avoid having
to worry about potential bugs lurking unexercised.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2023-07-07 15:21:16 -07:00
parent 0ad927e9e0
commit 30c8c55cbf
1 changed files with 16 additions and 17 deletions
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33
tree-walk.c
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@ -1016,17 +1016,17 @@ static int match_wildcard_base(const struct pathspec_item *item,
/*
* Is a tree entry interesting given the pathspec we have?
*
* Pre-condition: either baselen == base_offset (i.e. empty path)
* Pre-condition: either baselen == 0 (i.e. empty path)
* or base[baselen-1] == '/' (i.e. with trailing slash).
*/
static enum interesting do_match(struct index_state *istate,
const struct name_entry *entry,
struct strbuf *base, int base_offset,
struct strbuf *base,
const struct pathspec *ps,
int exclude)
{
int i;
int pathlen, baselen = base->len - base_offset;
int pathlen, baselen = base->len;
enum interesting never_interesting = ps->has_wildcard ?
entry_not_interesting : all_entries_not_interesting;
@ -1044,7 +1044,7 @@ static enum interesting do_match(struct index_state *istate,
!(ps->magic & PATHSPEC_MAXDEPTH) ||
ps->max_depth == -1)
return all_entries_interesting;
return within_depth(base->buf + base_offset, baselen,
return within_depth(base->buf, baselen,
!!S_ISDIR(entry->mode),
ps->max_depth) ?
entry_interesting : entry_not_interesting;
@ -1055,7 +1055,7 @@ static enum interesting do_match(struct index_state *istate,
for (i = ps->nr - 1; i >= 0; i--) {
const struct pathspec_item *item = ps->items+i;
const char *match = item->match;
const char *base_str = base->buf + base_offset;
const char *base_str = base->buf;
int matchlen = item->len, matched = 0;
if ((!exclude && item->magic & PATHSPEC_EXCLUDE) ||
@ -1148,9 +1148,9 @@ static enum interesting do_match(struct index_state *istate,
strbuf_add(base, entry->path, pathlen);
if (!git_fnmatch(item, match, base->buf + base_offset,
if (!git_fnmatch(item, match, base->buf,
item->nowildcard_len)) {
strbuf_setlen(base, base_offset + baselen);
strbuf_setlen(base, baselen);
goto interesting;
}
@ -1162,13 +1162,13 @@ static enum interesting do_match(struct index_state *istate,
* be performed in the submodule itself.
*/
if (ps->recurse_submodules && S_ISGITLINK(entry->mode) &&
!ps_strncmp(item, match, base->buf + base_offset,
!ps_strncmp(item, match, base->buf,
item->nowildcard_len)) {
strbuf_setlen(base, base_offset + baselen);
strbuf_setlen(base, baselen);
goto interesting;
}
strbuf_setlen(base, base_offset + baselen);
strbuf_setlen(base, baselen);
/*
* Match all directories. We'll try to match files
@ -1204,9 +1204,9 @@ static enum interesting do_match(struct index_state *istate,
return entry_interesting;
strbuf_add(base, entry->path, pathlen);
ret = match_pathspec_attrs(istate, base->buf + base_offset,
base->len - base_offset, item);
strbuf_setlen(base, base_offset + baselen);
ret = match_pathspec_attrs(istate, base->buf,
base->len, item);
strbuf_setlen(base, baselen);
if (!ret)
continue;
}
@ -1218,7 +1218,7 @@ static enum interesting do_match(struct index_state *istate,
/*
* Is a tree entry interesting given the pathspec we have?
*
* Pre-condition: either baselen == base_offset (i.e. empty path)
* Pre-condition: either baselen == 0 (i.e. empty path)
* or base[baselen-1] == '/' (i.e. with trailing slash).
*/
enum interesting tree_entry_interesting(struct index_state *istate,
@ -1227,8 +1227,7 @@ enum interesting tree_entry_interesting(struct index_state *istate,
const struct pathspec *ps)
{
enum interesting positive, negative;
const int base_offset = 0;
positive = do_match(istate, entry, base, base_offset, ps, 0);
positive = do_match(istate, entry, base, ps, 0);
/*
* case | entry | positive | negative | result
@ -1265,7 +1264,7 @@ enum interesting tree_entry_interesting(struct index_state *istate,
positive <= entry_not_interesting) /* #1, #2, #11, #12 */
return positive;
negative = do_match(istate, entry, base, base_offset, ps, 1);
negative = do_match(istate, entry, base, ps, 1);
/* #8, #18 */
if (positive == all_entries_interesting &&