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3 Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
4 This program and the accompanying materials are licensed and made available under
5 the terms and conditions of the BSD License that accompanies this distribution.
6 The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12 * Copyright (c) 1990, 1993
13 * The Regents of the University of California. All rights reserved.
15 * This code is derived from software contributed to Berkeley by
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. Neither the name of the University nor the names of its contributors
27 * may be used to endorse or promote products derived from this software
28 * without specific prior written permission.
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 NetBSD: fdopen.c,v 1.14 2003/08/07 16:43:22 agc Exp
43 fdopen.c 8.1 (Berkeley) 6/4/93
45 #include <LibConfig.h>
46 #include <sys/EfiCdefs.h>
48 #include "namespace.h"
49 #include <sys/types.h>
57 #include "reentrant.h"
61 __weak_alias(fdopen
,_fdopen
)
65 fdopen(int fd
, const char *mode
)
68 int flags
, oflags
, fdflags
, tmp
;
70 _DIAGASSERT(fd
!= -1);
72 if ((flags
= __sflags(mode
, &oflags
)) == 0)
75 /* Make sure the mode the user wants is a subset of the actual mode. */
76 if ((fdflags
= fcntl(fd
, F_GETFL
, 0)) < 0)
78 tmp
= fdflags
& O_ACCMODE
;
79 if (tmp
!= O_RDWR
&& (tmp
!= (oflags
& O_ACCMODE
))) {
84 if (oflags
& O_NONBLOCK
) {
86 if (fstat(fd
, &st
) == -1) {
89 if (!S_ISREG(st
.st_mode
)) {
95 if ((fp
= __sfp()) == NULL
)
97 fp
->_flags
= (unsigned short)flags
;
99 * If opened for appending, but underlying descriptor does not have
100 * O_APPEND bit set, assert __SAPP so that __swrite() will lseek to
101 * end before each write.
103 if ((oflags
& O_APPEND
) && !(fdflags
& O_APPEND
))
104 fp
->_flags
|= __SAPP
;
105 fp
->_file
= (short)fd
;
108 fp
->_write
= __swrite
;
110 fp
->_close
= __sclose
;