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| author | Ting-Wei Lan <lantw44@gmail.com> | 2015-01-16 16:14:45 +0800 |
|---|---|---|
| committer | Ting-Wei Lan <lantw44@gmail.com> | 2015-01-16 16:14:45 +0800 |
| commit | f840d4880df21b49514aa9c7f937ea02d1e45b7a (patch) | |
| tree | 69859e81eddca5caeb5264bb7ee5e90738289b5e | |
| parent | d573b2960ab5f4ef51f0d0dfb2130ef6d784be68 (diff) | |
| download | cn2013-master.tar.gz cn2013-master.tar.zst cn2013-master.zip | |
| -rw-r--r-- | hw1/xwrap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw1/xwrap.c b/hw1/xwrap.c index 85991ae..dfdf2c8 100644 --- a/hw1/xwrap.c +++ b/hw1/xwrap.c @@ -107,5 +107,9 @@ char* xgetcwd (void) { cwd = xrealloc (cwd, size); } + if (result == NULL) { + strncpy (cwd, "<Unknown working directory>", size - 1); + } + return cwd; } |