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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/posix/fdopen.c
1 /* Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 /* Defined in fopen.c. */
24 extern int __getmode (const char *mode
, __io_mode
*mptr
);
26 /* Open a new stream on a given system file descriptor. */
32 register FILE *stream
;
36 if (!__getmode (mode
, &m
))
39 /* Verify the FD is valid and allows the access MODE specifies. */
41 dflags
= __fcntl (fd
, F_GETFL
);
43 /* FD was invalid; fcntl has already set errno. */
46 /* Check the access mode. */
47 switch (dflags
& O_ACCMODE
)
65 stream
= __newstream ();
69 stream
->__cookie
= (void *) fd
;
75 weak_alias (__fdopen
, fdopen
)