diff options
Diffstat (limited to 'glibc-compat/oldiofdopen.c')
| -rw-r--r-- | glibc-compat/oldiofdopen.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/glibc-compat/oldiofdopen.c b/glibc-compat/oldiofdopen.c deleted file mode 100644 index 410206412a..0000000000 --- a/glibc-compat/oldiofdopen.c +++ /dev/null @@ -1,140 +0,0 @@ -/* Copyright (C) 1993, 1994, 1997 Free Software Foundation, Inc. - 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. */ - -#define _IO_USE_OLD_IO_FILE -#ifdef __STDC__ -# include <stdlib.h> -#endif -#include "libioP.h" -#include <fcntl.h> - -#ifndef _IO_fcntl -# define _IO_fcntl __fcntl -#endif - -_IO_FILE * -_IO_old_fdopen (fd, mode) - int fd; - const char *mode; -{ - int read_write; - int posix_mode = 0; - struct locked_FILE - { - struct _IO_FILE_plus fp; -#ifdef _IO_MTSAFE_IO - _IO_lock_t lock; -#endif - } *new_f; - 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: - MAYBE_SET_EINVAL; - 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 - - new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE)); - if (new_f == NULL) - return NULL; -#ifdef _IO_MTSAFE_IO - new_f->fp.file._lock = &new_f->lock; -#endif - _IO_init (&new_f->fp.file, 0); - _IO_JUMPS (&new_f->fp) = &_IO_old_file_jumps; - _IO_old_file_init (&new_f->fp.file); -#if !_IO_UNIFIED_JUMPTABLES - new_f->fp.vtable = NULL; -#endif - if (_IO_old_file_attach (&new_f->fp.file, fd) == NULL) - { - _IO_un_link (&new_f->fp.file); - free (new_f); - return NULL; - } - new_f->fp.file._flags &= ~_IO_DELETE_DONT_CLOSE; - - new_f->fp.file._IO_file_flags = - _IO_mask_flags (&new_f->fp.file, read_write, - _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); - - return (_IO_FILE *) &new_f->fp; -} - -#ifdef SHARED -strong_alias (_IO_old_fdopen, __old_fdopen) -symbol_version (_IO_old_fdopen, _IO_fdopen, GLIBC_2.0); -symbol_version (__old_fdopen, fdopen, GLIBC_2.0); -#else -strong_alias (_IO_old_fdopen, _IO_fdopen); -strong_alias (__old_fdopen, fdopen); -#endif |