reactos/sdk/tools/mkisofs/schilytools/libschily/stdio/cvmod.c

59 lines
1.5 KiB
C

/* @(#)cvmod.c 2.9 04/08/08 Copyright 1986, 1995-2003 J. Schilling */
/*
* Copyright (c) 1986, 1995-2003 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#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);
}