gcc/libf2c/libU77/access_.c

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/* Copyright (C) 1995, 1997 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>
#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
void g_char (const char *a, ftnlen alen, char *b);
integer
G77_access_0 (const char *name, const char *mode, ftnlen Lname, ftnlen Lmode)
{
char *buff;
int amode, i;
buff = malloc (Lname + 1);
if (!buff)
return -1;
g_char (name, Lname, buff);
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;
}