1 /* vi: set sw=4 ts=4: */
3 * xgetcwd.c -- return current directory with unlimited length
4 * Copyright (C) 1992, 1996 Free Software Foundation, Inc.
5 * Written by David MacKenzie <djm@gnu.ai.mit.edu>.
7 * Special function for busybox written by Vladimir Oleynik <dzo@simtreas.ru>
9 * Licensed under GPLv2, see file LICENSE in this source tree.
13 /* Return the current directory, newly allocated, arbitrarily long.
14 Return NULL and set errno on error.
15 If argument is not NULL (previous usage allocate memory), call free()
19 xrealloc_getcwd_or_warn(char *cwd)
26 path_max = 128; /* 128 + 64 should be enough for 99% of cases */
29 path_max += PATH_INCR;
30 cwd = xrealloc(cwd, path_max);
31 ret = getcwd(cwd, path_max);
36 bb_perror_msg("getcwd");
39 cwd = xrealloc(cwd, strlen(cwd) + 1);