xref: /csrg-svn/lib/libc/stdio/fopen.c (revision 46271)
146079Sbostic /*-
246079Sbostic  * Copyright (c) 1990 The Regents of the University of California.
346079Sbostic  * All rights reserved.
446079Sbostic  *
546079Sbostic  * This code is derived from software contributed to Berkeley by
646079Sbostic  * Chris Torek.
746079Sbostic  *
846079Sbostic  * %sccs.include.redist.c%
921404Sdist  */
1021404Sdist 
1126647Sdonn #if defined(LIBC_SCCS) && !defined(lint)
12*46271Storek static char sccsid[] = "@(#)fopen.c	5.4 (Berkeley) 02/05/91";
1346079Sbostic #endif /* LIBC_SCCS and not lint */
1421404Sdist 
1517951Sserge #include <sys/types.h>
1646079Sbostic #include <sys/stat.h>
1717951Sserge #include <stdio.h>
1846079Sbostic #include <errno.h>
1946079Sbostic #include "local.h"
202004Swnj 
212004Swnj FILE *
222004Swnj fopen(file, mode)
23*46271Storek 	const char *file;
24*46271Storek 	const char *mode;
252004Swnj {
2646079Sbostic 	register FILE *fp;
2746079Sbostic 	register int f;
2846079Sbostic 	int flags, oflags;
292004Swnj 
3046079Sbostic 	if ((flags = __sflags(mode, &oflags)) == 0)
3117951Sserge 		return (NULL);
3246079Sbostic 	if ((fp = __sfp()) == NULL)
3317951Sserge 		return (NULL);
3446079Sbostic 	if ((f = open(file, oflags, DEFFILEMODE)) < 0) {
3546079Sbostic 		fp->_flags = 0;			/* release */
3646079Sbostic 		return (NULL);
3717951Sserge 	}
3846079Sbostic 	fp->_file = f;
3946079Sbostic 	fp->_flags = flags;
4046079Sbostic 	fp->_cookie = fp;
4146079Sbostic 	fp->_read = __sread;
4246079Sbostic 	fp->_write = __swrite;
4346079Sbostic 	fp->_seek = __sseek;
4446079Sbostic 	fp->_close = __sclose;
4546079Sbostic 	return (fp);
462004Swnj }
47