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dir.c: move prep_exclude

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Move prep_exclude in preparation for the next patch.

Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karsten Blees 2013-04-15 21:11:37 +02:00 committed by Junio C Hamano
parent 46aa2f95d2
commit 6cd5c582dc
1 changed files with 72 additions and 72 deletions
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144
dir.c
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@ -578,78 +578,6 @@ void add_excludes_from_file(struct dir_struct *dir, const char *fname)
die("cannot use %s as an exclude file", fname);
}
/*
* Loads the per-directory exclude list for the substring of base
* which has a char length of baselen.
*/
static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
{
struct exclude_list_group *group;
struct exclude_list *el;
struct exclude_stack *stk = NULL;
int current;
if ((!dir->exclude_per_dir) ||
(baselen + strlen(dir->exclude_per_dir) >= PATH_MAX))
return; /* too long a path -- ignore */
group = &dir->exclude_list_group[EXC_DIRS];
/* Pop the exclude lists from the EXCL_DIRS exclude_list_group
* which originate from directories not in the prefix of the
* path being checked. */
while ((stk = dir->exclude_stack) != NULL) {
if (stk->baselen <= baselen &&
!strncmp(dir->basebuf, base, stk->baselen))
break;
el = &group->el[dir->exclude_stack->exclude_ix];
dir->exclude_stack = stk->prev;
free((char *)el->src); /* see strdup() below */
clear_exclude_list(el);
free(stk);
group->nr--;
}
/* Read from the parent directories and push them down. */
current = stk ? stk->baselen : -1;
while (current < baselen) {
struct exclude_stack *stk = xcalloc(1, sizeof(*stk));
const char *cp;
if (current < 0) {
cp = base;
current = 0;
}
else {
cp = strchr(base + current + 1, '/');
if (!cp)
die("oops in prep_exclude");
cp++;
}
stk->prev = dir->exclude_stack;
stk->baselen = cp - base;
memcpy(dir->basebuf + current, base + current,
stk->baselen - current);
strcpy(dir->basebuf + stk->baselen, dir->exclude_per_dir);
/*
* dir->basebuf gets reused by the traversal, but we
* need fname to remain unchanged to ensure the src
* member of each struct exclude correctly
* back-references its source file. Other invocations
* of add_exclude_list provide stable strings, so we
* strdup() and free() here in the caller.
*/
el = add_exclude_list(dir, EXC_DIRS, strdup(dir->basebuf));
stk->exclude_ix = group->nr - 1;
add_excludes_from_file_to_list(dir->basebuf,
dir->basebuf, stk->baselen,
el, 1);
dir->exclude_stack = stk;
current = stk->baselen;
}
dir->basebuf[baselen] = '\0';
}
int match_basename(const char *basename, int basenamelen,
const char *pattern, int prefix, int patternlen,
int flags)
@ -815,6 +743,78 @@ static struct exclude *last_exclude_matching_from_lists(struct dir_struct *dir,
return NULL;
}
/*
* Loads the per-directory exclude list for the substring of base
* which has a char length of baselen.
*/
static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
{
struct exclude_list_group *group;
struct exclude_list *el;
struct exclude_stack *stk = NULL;
int current;
if ((!dir->exclude_per_dir) ||
(baselen + strlen(dir->exclude_per_dir) >= PATH_MAX))
return; /* too long a path -- ignore */
group = &dir->exclude_list_group[EXC_DIRS];
/* Pop the exclude lists from the EXCL_DIRS exclude_list_group
* which originate from directories not in the prefix of the
* path being checked. */
while ((stk = dir->exclude_stack) != NULL) {
if (stk->baselen <= baselen &&
!strncmp(dir->basebuf, base, stk->baselen))
break;
el = &group->el[dir->exclude_stack->exclude_ix];
dir->exclude_stack = stk->prev;
free((char *)el->src); /* see strdup() below */
clear_exclude_list(el);
free(stk);
group->nr--;
}
/* Read from the parent directories and push them down. */
current = stk ? stk->baselen : -1;
while (current < baselen) {
struct exclude_stack *stk = xcalloc(1, sizeof(*stk));
const char *cp;
if (current < 0) {
cp = base;
current = 0;
}
else {
cp = strchr(base + current + 1, '/');
if (!cp)
die("oops in prep_exclude");
cp++;
}
stk->prev = dir->exclude_stack;
stk->baselen = cp - base;
memcpy(dir->basebuf + current, base + current,
stk->baselen - current);
strcpy(dir->basebuf + stk->baselen, dir->exclude_per_dir);
/*
* dir->basebuf gets reused by the traversal, but we
* need fname to remain unchanged to ensure the src
* member of each struct exclude correctly
* back-references its source file. Other invocations
* of add_exclude_list provide stable strings, so we
* strdup() and free() here in the caller.
*/
el = add_exclude_list(dir, EXC_DIRS, strdup(dir->basebuf));
stk->exclude_ix = group->nr - 1;
add_excludes_from_file_to_list(dir->basebuf,
dir->basebuf, stk->baselen,
el, 1);
dir->exclude_stack = stk;
current = stk->baselen;
}
dir->basebuf[baselen] = '\0';
}
/*
* Loads the exclude lists for the directory containing pathname, then
* scans all exclude lists to determine whether pathname is excluded.