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/*
* This file has been modified for the cdrkit suite.
*
* The behaviour and appearence of the program code below can differ to a major
* extent from the version distributed by the original author(s).
*
* For details, see Changelog file distributed with the cdrkit package. If you
* received this file from another source then ask the distributing person for
* a log of modifications.
*
*/
/* @(#)cvmod.c 2.9 04/08/08 Copyright 1986, 1995-2003 J. Schilling */
/*
* Copyright (c) 1986, 1995-2003 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program 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; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "schilyio.h"
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
#endif
EXPORT int
_cvmod(mode, omode, flag)
const char *mode;
int *omode;
int *flag;
{
while (*mode) {
switch (*mode) {
case 'r': *omode |= O_RDONLY; *flag |= FI_READ; break;
case 'w': *omode |= O_WRONLY; *flag |= FI_WRITE; break;
case 'e': *omode |= O_EXCL; break;
case 'c': *omode |= O_CREAT; *flag |= FI_CREATE; break;
case 't': *omode |= O_TRUNC; *flag |= FI_TRUNC; break;
case 'a': *omode |= O_APPEND; *flag |= FI_APPEND; break;
case 'u': *flag |= FI_UNBUF; break;
/* dummy on UNIX */
case 'b': *omode |= O_BINARY; *flag |= FI_BINARY; break;
/*
* XXX do we need this ?
* XXX May this be a problem?
*/
case 'l': *omode |= O_LARGEFILE; break;
default: raisecond(_badmode, 0L);
return (0);
}
mode++;
}
if (*flag & FI_READ && *flag & FI_WRITE) {
*omode &= ~(O_RDONLY|O_WRONLY);
*omode |= O_RDWR;
}
return (1);
}
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