[PATCH v4 22/54] tests/unit: test-image-locking: Avoid using hardcoded /tmp

[Bin Meng]

From: Bin Meng <bin.m...@windriver.com>

This case was written to use hardcoded /tmp directory for temporary
files. Update to use g_file_open_tmp() for a portable implementation.

Signed-off-by: Bin Meng <bin.m...@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---

(no changes since v3)

Changes in v3:
- Split to a separate patch
- Ensure g_autofree variable is initialized

 tests/unit/test-image-locking.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tests/unit/test-image-locking.c b/tests/unit/test-image-locking.c
index ba057bd66c..a47299c247 100644
--- a/tests/unit/test-image-locking.c
+++ b/tests/unit/test-image-locking.c
@@ -76,10 +76,10 @@ static void check_locked_bytes(int fd, uint64_t perm_locks,
 static void test_image_locking_basic(void)
 {
     BlockBackend *blk1, *blk2, *blk3;
-    char img_path[] = "/tmp/qtest.XXXXXX";
+    g_autofree char *img_path = NULL;
     uint64_t perm, shared_perm;
 
-    int fd = mkstemp(img_path);
+    int fd = g_file_open_tmp("qtest.XXXXXX", &img_path, NULL);
     assert(fd >= 0);
 
     perm = BLK_PERM_WRITE | BLK_PERM_CONSISTENT_READ;
@@ -117,10 +117,10 @@ static void test_image_locking_basic(void)
 static void test_set_perm_abort(void)
 {
     BlockBackend *blk1, *blk2;
-    char img_path[] = "/tmp/qtest.XXXXXX";
+    g_autofree char *img_path = NULL;
     uint64_t perm, shared_perm;
     int r;
-    int fd = mkstemp(img_path);
+    int fd = g_file_open_tmp("qtest.XXXXXX", &img_path, NULL);
     assert(fd >= 0);
 
     perm = BLK_PERM_WRITE | BLK_PERM_CONSISTENT_READ;
-- 
2.34.1