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update-index: fix xgetcwd() related memory leak

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As xgetcwd() returns an allocated buffer, we should free this
buffer when we don't need it any more.

This was found by Coverity.

Reported-by: Jeff King <peff@peff.net>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2017-03-30 08:22:08 +02:00 committed by Junio C Hamano
parent 7c121788f4
commit c105f563d1
1 changed files with 5 additions and 1 deletions
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6
builtin/update-index.c
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@ -125,12 +125,16 @@ static int test_if_untracked_cache_is_supported(void)
struct stat st;
struct stat_data base;
int fd, ret = 0;
char *cwd;
strbuf_addstr(&mtime_dir, "mtime-test-XXXXXX");
if (!mkdtemp(mtime_dir.buf))
die_errno("Could not make temporary directory");
fprintf(stderr, _("Testing mtime in '%s' "), xgetcwd());
cwd = xgetcwd();
fprintf(stderr, _("Testing mtime in '%s' "), cwd);
free(cwd);
atexit(remove_test_directory);
xstat_mtime_dir(&st);
fill_stat_data(&base, &st);