freebsd-dev/contrib/libf2c/libU77/getcwd_.c
1999-09-18 10:51:31 +00:00

100 lines
2.4 KiB
C

/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of GNU Fortran libU77 library.
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GNU Fortran 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with GNU Fortran; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#if HAVE_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
#include <stdio.h> /* for NULL */
#include <errno.h> /* for ENOSYS */
#include "f2c.h"
#if HAVE_GETCWD
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#else
extern char *getcwd ();
#endif
#ifdef KR_headers
extern void s_copy ();
integer G77_getcwd_0 (str, Lstr)
char *str; ftnlen Lstr;
#else
extern void s_copy(register char *a, register char *b, ftnlen la, ftnlen lb);
integer G77_getcwd_0 (char *str, const ftnlen Lstr)
#endif
{
int i;
char *ret;
ret = getcwd (str, Lstr);
if (ret == NULL) return errno;
for (i=strlen(str); i<Lstr; i++)
str[i] = ' ';
return 0;
}
#elif HAVE_GETWD /* HAVE_GETCWD */
/* getwd usage taken from SunOS4 man */
# include <sys/param.h>
extern char *getwd ();
#ifdef KR_headers
extern VOID s_copy ();
integer G77_getcwd_0 (str, Lstr)
char *str; ftnlen Lstr;
#else
extern void s_copy(register char *a, register char *b, ftnlen la, ftnlen lb);
integer G77_getcwd_0 (char *str, const ftnlen Lstr)
#endif
{
char pathname[MAXPATHLEN];
size_t l;
if (getwd (pathname) == NULL) {
return errno;
} else {
s_copy (str, pathname, Lstr, strlen (str));
return 0;
}
}
#else /* !HAVE_GETWD && !HAVE_GETCWD */
#ifdef KR_headers
extern VOID s_copy ();
integer G77_getcwd_0 (str, Lstr)
char *str; ftnlen Lstr;
#else
extern void s_copy(register char *a, register char *b, ftnlen la, ftnlen lb);
integer G77_getcwd_0 (char *str, const ftnlen Lstr)
#endif
{
return errno = ENOSYS;
}
#endif