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Dogcows Code - chaz/tar/blob - lib/xgetcwd.c
1 /* xgetcwd.c -- return current directory with unlimited length
2 Copyright (C) 1992, 1996, 2000, 2001 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 /* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */
30 #include <sys/types.h>
43 # define getcwd(Buf, Max) getwd (Buf)
48 /* Return the current directory, newly allocated, arbitrarily long.
49 Return NULL and set errno on error. */
54 #if defined __GLIBC__ && __GLIBC__ >= 2
55 return getcwd (NULL
, 0);
57 size_t buf_size
= 128; /* must be a power of 2 */
63 buf
= (char *) xrealloc (buf
, buf_size
);
65 cwd
= getcwd (buf
, buf_size
);
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