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-rw-r--r--gl/lib/xgetcwd.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/gl/lib/xgetcwd.c b/gl/lib/xgetcwd.c
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+/* xgetcwd.c -- return current directory with unlimited length
+
+ Copyright (C) 2001, 2003-2004, 2006-2007, 2009-2020 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. */
+
+/* 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;
+}