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| author | Jan Voung <jvoung@chromium.org> | 2013-11-08 15:49:37 -0800 |
|---|---|---|
| committer | Jan Voung <jvoung@chromium.org> | 2013-11-08 15:49:37 -0800 |
| commit | 46d366a017ec1b27d1ef6ce697148221d021468f (patch) | |
| tree | b09ca8ff47104aa04351839bdcd9bbe9ea431b9b /lib/Support/Unix | |
| parent | 2796c5b8a31ea88cc24bf3449a95319928c93519 (diff) | |
Add some temporary diagnostics to GetCurrentDirectory to diagnose mac failures
Some users are reporting Mac assertion errors while linking:
Assertion failed: (false && "Could not query current working directory.").
Add a perror() call to see what errno is when this fails.
BUG=none
R=dschuff@chromium.org
Review URL: https://codereview.chromium.org/66653003
Diffstat (limited to 'lib/Support/Unix')
| -rw-r--r-- | lib/Support/Unix/Path.inc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc index b82371a7b6..1ee2a1cf74 100644 --- a/lib/Support/Unix/Path.inc +++ b/lib/Support/Unix/Path.inc @@ -256,6 +256,14 @@ Path::GetCurrentDirectory() { #if !defined(__native_client__) char pathname[MAXPATHLEN]; if (!getcwd(pathname, MAXPATHLEN)) { + // @LOCALMOD-BEGIN: Debug Mac SDK issues. + char error_buf[160]; + if (snprintf(error_buf, sizeof(error_buf), + "Failed to getcwd w/ MAXPATHLEN: %d\n", MAXPATHLEN) > 0) + perror(error_buf); + else + perror("Failed to getcwd"); + // @LOCALMOD-END assert(false && "Could not query current working directory."); return Path(); } |