summaryrefslogtreecommitdiff
path: root/lib/xgetcwd.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/xgetcwd.c')
-rw-r--r--lib/xgetcwd.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/xgetcwd.c b/lib/xgetcwd.c
new file mode 100644
index 0000000..26ea5da
--- /dev/null
+++ b/lib/xgetcwd.c
@@ -0,0 +1,41 @@
+/* xgetcwd.c -- return current directory with unlimited length
+
+ Copyright (C) 2001, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Jim Meyering. */
+
+#include <config.h>
+
+#include "xgetcwd.h"
+
+#include <errno.h>
+#include <unistd.h>
+
+#include "xalloc.h"
+
+/* Return the current directory, newly allocated.
+ Upon an out-of-memory error, call xalloc_die.
+ Upon any other type of error, return NULL. */
+
+char *
+xgetcwd (void)
+{
+ char *cwd = getcwd (NULL, 0);
+ if (! cwd && errno == ENOMEM)
+ xalloc_die ();
+ return cwd;
+}