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Diffstat (limited to 'contrib/libg++/libio/iofdopen.c')
-rw-r--r--contrib/libg++/libio/iofdopen.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/contrib/libg++/libio/iofdopen.c b/contrib/libg++/libio/iofdopen.c
deleted file mode 100644
index f8bc76869ad9f..0000000000000
--- a/contrib/libg++/libio/iofdopen.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
-Copyright (C) 1993, 1994 Free Software Foundation
-
-This file is part of the GNU IO Library. This library is free
-software; you can redistribute it and/or modify it under the
-terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-This library 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 library; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-As a special exception, if you link this library with files
-compiled with a GNU compiler to produce an executable, this does not cause
-the resulting executable to be covered by the GNU General Public License.
-This exception does not however invalidate any other reasons why
-the executable file might be covered by the GNU General Public License. */
-
-#ifdef __STDC__
-#include <stdlib.h>
-#endif
-#include "libioP.h"
-#include <fcntl.h>
-
-#ifndef _IO_fcntl
-#define _IO_fcntl fcntl
-#endif
-
-_IO_FILE *
-DEFUN(_IO_fdopen, (fd, mode),
- int fd AND const char *mode)
-{
- int read_write;
- int posix_mode = 0;
- struct _IO_FILE_plus *fp;
- int fd_flags;
-
- switch (*mode++)
- {
- case 'r':
- read_write = _IO_NO_WRITES;
- break;
- case 'w':
- read_write = _IO_NO_READS;
- break;
- case 'a':
- posix_mode = O_APPEND;
- read_write = _IO_NO_READS|_IO_IS_APPENDING;
- break;
- default:
-#ifdef EINVAL
- errno = EINVAL;
-#endif
- return NULL;
- }
- if (mode[0] == '+' || (mode[0] == 'b' && mode[1] == '+'))
- read_write &= _IO_IS_APPENDING;
-#ifdef F_GETFL
- fd_flags = _IO_fcntl (fd, F_GETFL);
-#ifndef O_ACCMODE
-#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
-#endif
- if (fd_flags == -1
- || ((fd_flags & O_ACCMODE) == O_RDONLY && !(read_write & _IO_NO_WRITES))
- || ((fd_flags & O_ACCMODE) == O_WRONLY && !(read_write & _IO_NO_READS)))
- return NULL;
-
- /* The May 93 draft of P1003.4/D14.1 (redesignated as 1003.1b)
- [System Application Program Interface (API) Amendment 1:
- Realtime Extensions], Rationale B.8.3.3
- Open a Stream on a File Descriptor says:
-
- Although not explicitly required by POSIX.1, a good
- implementation of append ("a") mode would cause the
- O_APPEND flag to be set.
-
- (Historical implementations [such as Solaris2] do a one-time
- seek in fdopen.)
-
- However, we do not turn O_APPEND off if the mode is "w" (even
- though that would seem consistent) because that would be more
- likely to break historical programs.
- */
- if ((posix_mode & O_APPEND) && !(fd_flags & O_APPEND))
- {
-#ifdef F_SETFL
- if (_IO_fcntl (fd, F_SETFL, fd_flags | O_APPEND) == -1)
-#endif
- return NULL;
- }
-#endif
-
- fp = (struct _IO_FILE_plus*)malloc(sizeof(struct _IO_FILE_plus));
- if (fp == NULL)
- return NULL;
- _IO_init(&fp->file, 0);
- _IO_JUMPS(&fp->file) = &_IO_file_jumps;
- _IO_file_init(&fp->file);
-#if !_IO_UNIFIED_JUMPTABLES
- fp->vtable = NULL;
-#endif
- if (_IO_file_attach(&fp->file, fd) == NULL)
- {
- _IO_un_link(&fp->file);
- free (fp);
- return NULL;
- }
- fp->file._flags &= ~_IO_DELETE_DONT_CLOSE;
-
- fp->file._IO_file_flags =
- _IO_mask_flags(&fp->file, read_write,
- _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
-
- return (_IO_FILE*)fp;
-}