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annotate lib/xgetcwd.c @ 10531:e83a90adf243

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Override fopen more carefully.
author Bruno Haible <bruno@clisp.org>
date Sun, 28 Sep 2008 16:12:20 +0200
parents bbbbbf4cd1c5
children b5e42ef33b49
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* xgetcwd.c -- return current directory with unlimited length
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2
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3 Copyright (C) 2001, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3 of the License, or
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8 (at your option) any later version.
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17
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18 /* Written by Jim Meyering. */
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19
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20 #include <config.h>
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21
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22 #include "xgetcwd.h"
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23
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24 #include <errno.h>
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25 #include <unistd.h>
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27 #include "xalloc.h"
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29 /* Return the current directory, newly allocated.
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30 Upon an out-of-memory error, call xalloc_die.
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31 Upon any other type of error, return NULL. */
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33 char *
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34 xgetcwd (void)
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35 {
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36 char *cwd = getcwd (NULL, 0);
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37 if (! cwd && errno == ENOMEM)
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38 xalloc_die ();
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39 return cwd;
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40 }