[PATCH 2/9] test-tool path-utils: fix a memory leak

["Ævar Arnfjörð Bjarmason" <avarab@gmail.com>]

Fix a memory leak in "test-tool path-utils", as a result we can mark
the corresponding test as passing with SANITIZE=leak using
"TEST_PASSES_SANITIZE_LEAK=true".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 t/helper/test-path-utils.c | 10 ++++++++--
 t/t0060-path-utils.sh      |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/t/helper/test-path-utils.c b/t/helper/test-path-utils.c
index 229ed416b0e..380437cfe02 100644
--- a/t/helper/test-path-utils.c
+++ b/t/helper/test-path-utils.c
@@ -294,11 +294,13 @@ static int protect_ntfs_hfs_benchmark(int argc, const char **argv)
 int cmd__path_utils(int argc, const char **argv)
 {
 	if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
-		char *buf = xmallocz(strlen(argv[2]));
+		char *to_free = NULL;
+		char *buf = to_free = xmallocz(strlen(argv[2]));
 		int rv = normalize_path_copy(buf, argv[2]);
 		if (rv)
 			buf = "++failed++";
 		puts(buf);
+		free(to_free);
 		return 0;
 	}
 
@@ -356,7 +358,10 @@ int cmd__path_utils(int argc, const char **argv)
 		int nongit_ok;
 		setup_git_directory_gently(&nongit_ok);
 		while (argc > 3) {
-			puts(prefix_path(prefix, prefix_len, argv[3]));
+			char *pfx = prefix_path(prefix, prefix_len, argv[3]);
+
+			puts(pfx);
+			free(pfx);
 			argc--;
 			argv++;
 		}
@@ -366,6 +371,7 @@ int cmd__path_utils(int argc, const char **argv)
 	if (argc == 4 && !strcmp(argv[1], "strip_path_suffix")) {
 		char *prefix = strip_path_suffix(argv[2], argv[3]);
 		printf("%s\n", prefix ? prefix : "(null)");
+		free(prefix);
 		return 0;
 	}
 
diff --git a/t/t0060-path-utils.sh b/t/t0060-path-utils.sh
index aa35350b6f3..1f2007e62b7 100755
--- a/t/t0060-path-utils.sh
+++ b/t/t0060-path-utils.sh
@@ -5,6 +5,7 @@
 
 test_description='Test various path utilities'
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 norm_path() {
-- 
2.37.0.874.g7d3439f13c4