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

From
Michael Haggerty <mhagger@alum.mit.edu>
Date
Sep 6, 2012, 22:41 UTC
Message-ID
<1346971264-23744-6-git-send-email-mhagger@alum.mit.edu>
In-Reply-To
<1346971264-23744-1-git-send-email-mhagger@alum.mit.edu>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 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
Previous: Michael HaggertyNext: Michael Haggerty
Message 9 of 14 in “Fix some bugs in abspath.c”
  1. 0/8 Fix some bugs in abspath.cMichael Haggerty, Sep 6, 2012
  2. 1/8 t0060: move tests of real_path() from t0000 to hereMichael Haggerty, Sep 6, 2012
  3. 2/8 t0060: verify that absolute_path() fails if passed the empty stringMichael Haggerty, Sep 6, 2012
  4. 3/8 absolute_path(): reject the empty stringMichael Haggerty, Sep 6, 2012
  5. Junio C HamanoSep 6, 2012
  6. Michael HaggertySep 9, 2012
  7. Junio C HamanoSep 9, 2012
  8. 4/8 t0060: verify that real_path() fails if passed the empty stringMichael Haggerty, Sep 6, 2012
  9. 5/8 real_path(): reject the empty stringMichael Haggerty, Sep 6, 2012
  10. 6/8 t0060: verify that real_path() works correctly with absolute pathsMichael Haggerty, Sep 6, 2012
  11. 7/8 real_path(): properly handle nonexistent top-level pathsMichael Haggerty, Sep 6, 2012
  12. 8/8 t0060: verify that real_path() removes extra slashesMichael Haggerty, Sep 6, 2012
  13. 9/8 t0060: split absolute path test in two to exercise some of it on WindowsJohannes Sixt, Sep 9, 2012
  14. Michael HaggertySep 10, 2012

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