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/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
This file is part of groff.
groff 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.
groff 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 <http://www.gnu.org/licenses/>. */
/* Partial emulation of getcwd in terms of getwd. */
#include <sys/param.h>
#include <string.h>
#include <errno.h>
char *getwd();
char *getcwd(buf, size)
char *buf;
int size; /* POSIX says this should be size_t */
{
if (size <= 0) {
errno = EINVAL;
return 0;
}
else {
char mybuf[MAXPATHLEN];
int saved_errno = errno;
errno = 0;
if (!getwd(mybuf)) {
if (errno == 0)
; /* what to do? */
return 0;
}
errno = saved_errno;
if (strlen(mybuf) + 1 > size) {
errno = ERANGE;
return 0;
}
strcpy(buf, mybuf);
return buf;
}
}
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