Fix: test_utils_expand_path passes NULL to sprintf

[lttng-tools.git] / tests / unit / test_utils_expand_path.c

diff --git a/tests/unit/test_utils_expand_path.c b/tests/unit/test_utils_expand_path.c
index 1224a5cbbca994802ad77603a7d4dead127dfdb6..9bf81b924f24d621f3b28f83b7e5cc386a907f06 100644 (file)
--- a/tests/unit/test_utils_expand_path.c
+++ b/tests/unit/test_utils_expand_path.c
@@ -15,7 +15,6 @@
  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#define _GNU_SOURCE
 #include <assert.h>
 #include <string.h>
 #include <stdio.h>
@@ -313,9 +312,12 @@ static void test_utils_expand_path(void)
 
        /* Test invalid cases */
        for (i = 0; i < num_invalid_tests; i++) {
-               sprintf(name, "invalid test case: %s", invalid_tests_inputs[i]);
+               const char *test_input = invalid_tests_inputs[i];
 
-               result = utils_expand_path(invalid_tests_inputs[i]);
+               sprintf(name, "invalid test case: %s", test_input ?
+                               test_input : "NULL");
+
+               result = utils_expand_path(test_input);
                if (result != NULL) {
                        free(result);
                }