42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
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/* xgetcwd.c -- return current directory with unlimited length
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Copyright (C) 2001, 2003-2004, 2006-2007, 2009-2020 Free Software
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Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Jim Meyering. */
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#include <config.h>
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#include "xgetcwd.h"
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#include <errno.h>
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#include <unistd.h>
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#include "xalloc.h"
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/* Return the current directory, newly allocated.
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Upon an out-of-memory error, call xalloc_die.
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Upon any other type of error, return NULL. */
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char *
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xgetcwd (void)
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{
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char *cwd = getcwd (NULL, 0);
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if (! cwd && errno == ENOMEM)
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xalloc_die ();
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return cwd;
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}
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