git/list[1] front-page[2] threads[3] people[4] search[5] about
 

[PATCH 2/7] absolute_path(): reject the empty string

From
mhagger@alum.mit.edu <mhagger@alum.mit.edu>
Date
Sep 4, 2012, 08:14 UTC
Message-ID
<1346746470-23127-3-git-send-email-mhagger@alum.mit.edu>
In-Reply-To
<1346746470-23127-1-git-send-email-mhagger@alum.mit.edu>
From: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 abspath.c        | 4 +++-
 t/t0000-basic.sh | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/abspath.c b/abspath.c
index f04ac18..5d62430 100644
--- a/abspath.c
+++ b/abspath.c
@@ -123,7 +123,9 @@ const char *absolute_path(const char *path)
 {
 	static char buf[PATH_MAX + 1];
 
-	if (is_absolute_path(path)) {
+	if (!*path) {
+		die("The empty string is not a valid path");
+	} else if (is_absolute_path(path)) {
 		if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
 			die("Too long path: %.*s", 60, path);
 	} else {
diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index 7347fb8..5963a6c 100755
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -450,7 +450,7 @@ test_expect_success 'update-index D/F conflict' '
 	test $numpath0 = 1
 '
 
-test_expect_failure 'absolute path rejects the empty string' '
+test_expect_success 'absolute path rejects the empty string' '
 	test_must_fail test-path-utils absolute_path ""
 '
 
-- 
1.7.11.3
Previous: mhagger@alum.mit.eduNext: mhagger@alum.mit.edu
Message 3 of 25 in “Fix some bugs in abspath.c”
  1. 0/7 Fix some bugs in abspath.cmhagger@alum.mit.edu, Sep 4, 2012
  2. 1/7 t0000: verify that absolute_path() fails if passed the empty stringmhagger@alum.mit.edu, Sep 4, 2012
  3. 2/7 absolute_path(): reject the empty stringmhagger@alum.mit.edu, Sep 4, 2012
  4. 3/7 t0000: verify that real_path() fails if passed the empty stringmhagger@alum.mit.edu, Sep 4, 2012
  5. 4/7 real_path(): reject the empty stringmhagger@alum.mit.edu, Sep 4, 2012
  6. 5/7 t0000: verify that real_path() works correctly with absolute pathsmhagger@alum.mit.edu, Sep 4, 2012
  7. Johannes SixtSep 5, 2012
  8. Michael HaggertySep 6, 2012
  9. Junio C HamanoSep 6, 2012
  10. Michael HaggertySep 9, 2012
  11. Junio C HamanoSep 9, 2012
  12. Junio C HamanoSep 9, 2012
  13. 6/7 real_path(): properly handle nonexistent top-level pathsmhagger@alum.mit.edu, Sep 4, 2012
  14. 7/7 t0000: verify that real_path() removes extra slashesmhagger@alum.mit.edu, Sep 4, 2012
  15. Junio C HamanoSep 4, 2012
  16. Nguyen Thai Ngoc DuySep 5, 2012
  17. Junio C HamanoSep 6, 2012
  18. Nguyen Thai Ngoc DuySep 6, 2012
  19. Junio C HamanoSep 6, 2012
  20. Nguyen Thai Ngoc DuySep 7, 2012
  21. Johannes SixtSep 5, 2012
  22. Michael HaggertySep 6, 2012
  23. Junio C HamanoSep 4, 2012
  24. Junio C HamanoSep 4, 2012
  25. Nguyen Thai Ngoc DuySep 5, 2012

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.