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/* Copyright (C) 1995 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
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
#if HAVE_STDLIB_H
# include <stdlib.h>
#else
# include <stdio.h> /* for NULL */
#endif
#include <errno.h>
#include <limits.h>
#include "f2c.h"
#ifndef R_OK /* for SVR1-2 */
# define R_OK 4
#endif
#ifndef W_OK
# define W_OK 2
#endif
#ifndef X_OK
# define X_OK 1
#endif
#ifndef F_OK
# define F_OK 0
#endif
#ifdef KR_headers
integer access_ (name, mode, Lname, Lmode)
char *name, *mode;
ftnlen Lname, Lmode;
#else
integer access_ (const char *name, const char *mode,
ftnlen Lname, ftnlen Lmode)
#endif
{
char *buff;
char *bp, *blast;
int amode, i;
buff = malloc (Lname+1);
if (buff == NULL) return -1;
blast = buff + Lname;
for (bp = buff ; bp<blast ; )
*bp++ = *name++;
*bp = '\0';
amode = 0;
for (i=0;i<Lmode;i++) {
switch (mode[i]) {
case 'r': amode |= R_OK; break;
case 'w': amode |= W_OK; break;
case 'x': amode |= X_OK; break;
case ' ': amode |= F_OK; break; /* as per Sun, at least */
default: return EINVAL;
}
}
i = access (buff, amode);
free (buff);
return i;
}
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