builtin/apply: make gitdiff_verify_name() return void

As the value returned by gitdiff_verify_name() is put into the
same variable that is passed as a parameter to this function,
it is simpler to pass the address of the variable and have
gitdiff_verify_name() change the variable itself.

This also makes it possible to later have this function return
-1 instead of die()ing in case of error.

Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2016-05-11 15:16:12 +02:00 committed by Junio C Hamano
parent 5fe494c54a
commit 12913a78ce

View file

@ -925,43 +925,43 @@ static int gitdiff_hdrend(const char *line, struct patch *patch)
#define DIFF_OLD_NAME 0
#define DIFF_NEW_NAME 1
static char *gitdiff_verify_name(const char *line, int isnull, char *orig_name, int side)
static void gitdiff_verify_name(const char *line, int isnull, char **name, int side)
{
if (!orig_name && !isnull)
return find_name(line, NULL, p_value, TERM_TAB);
if (!*name && !isnull) {
*name = find_name(line, NULL, p_value, TERM_TAB);
return;
}
if (orig_name) {
int len = strlen(orig_name);
if (*name) {
int len = strlen(*name);
char *another;
if (isnull)
die(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"),
orig_name, linenr);
*name, linenr);
another = find_name(line, NULL, p_value, TERM_TAB);
if (!another || memcmp(another, orig_name, len + 1))
if (!another || memcmp(another, *name, len + 1))
die((side == DIFF_NEW_NAME) ?
_("git apply: bad git-diff - inconsistent new filename on line %d") :
_("git apply: bad git-diff - inconsistent old filename on line %d"), linenr);
free(another);
return orig_name;
} else {
/* expect "/dev/null" */
if (memcmp("/dev/null", line, 9) || line[9] != '\n')
die(_("git apply: bad git-diff - expected /dev/null on line %d"), linenr);
return NULL;
}
}
static int gitdiff_oldname(const char *line, struct patch *patch)
{
patch->old_name = gitdiff_verify_name(line, patch->is_new, patch->old_name,
DIFF_OLD_NAME);
gitdiff_verify_name(line, patch->is_new, &patch->old_name,
DIFF_OLD_NAME);
return 0;
}
static int gitdiff_newname(const char *line, struct patch *patch)
{
patch->new_name = gitdiff_verify_name(line, patch->is_delete, patch->new_name,
DIFF_NEW_NAME);
gitdiff_verify_name(line, patch->is_delete, &patch->new_name,
DIFF_NEW_NAME);
return 0;
}