[PATCH v2 5/8] real_path(): reject the empty string

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Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
 abspath.c             | 3 +++
 t/t0060-path-utils.sh | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/abspath.c b/abspath.c
index 5d62430..3e8325c 100644
--- a/abspath.c
+++ b/abspath.c
@@ -35,6 +35,9 @@ const char *real_path(const char *path)
 	if (path == buf || path == next_buf)
 		return path;
 
+	if (!*path)
+		die("The empty string is not a valid path");
+
 	if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
 		die ("Too long path: %.*s", 60, path);
 
diff --git a/t/t0060-path-utils.sh b/t/t0060-path-utils.sh
index 1118056..fab5ea2 100755
--- a/t/t0060-path-utils.sh
+++ b/t/t0060-path-utils.sh
@@ -144,7 +144,7 @@ test_expect_success 'absolute path rejects the empty string' '
 	test_must_fail test-path-utils absolute_path ""
 '
 
-test_expect_failure 'real path rejects the empty string' '
+test_expect_success 'real path rejects the empty string' '
 	test_must_fail test-path-utils real_path ""
 '
 
-- 
1.7.11.3

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