aboutsummaryrefslogtreecommitdiff
path: root/libio/oldiofdopen.c
diff options
context:
space:
mode:
Diffstat (limited to 'libio/oldiofdopen.c')
-rw-r--r--libio/oldiofdopen.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/libio/oldiofdopen.c b/libio/oldiofdopen.c
deleted file mode 100644
index 7f6180767e..0000000000
--- a/libio/oldiofdopen.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/* Copyright (C) 1993-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>.
-
- As a special exception, if you link the code in this file with
- files compiled with a GNU compiler to produce an executable,
- that does not cause the resulting executable to be covered by
- the GNU Lesser General Public License. This exception does not
- however invalidate any other reasons why the executable file
- might be covered by the GNU Lesser General Public License.
- This exception applies to code released by its copyright holders
- in files containing the exception. */
-
-#include <shlib-compat.h>
-#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
-
-#define _IO_USE_OLD_IO_FILE
-#include <stdlib.h>
-#include "libioP.h"
-#include <fcntl.h>
-
-#ifndef _IO_fcntl
-# define _IO_fcntl __fcntl
-#endif
-
-_IO_FILE *
-attribute_compat_text_section
-_IO_old_fdopen (int fd, const char *mode)
-{
- int read_write;
- int posix_mode = 0;
- struct locked_FILE
- {
- struct _IO_FILE_complete_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._file._lock = &new_f->lock;
-#endif
- _IO_old_init (&new_f->fp.file._file, 0);
- _IO_JUMPS_FILE_plus (&new_f->fp) = &_IO_old_file_jumps;
- _IO_old_file_init_internal ((struct _IO_FILE_plus *) &new_f->fp);
-#if !_IO_UNIFIED_JUMPTABLES
- new_f->fp.vtable = NULL;
-#endif
- if (_IO_old_file_attach (&new_f->fp.file._file, fd) == NULL)
- {
- _IO_un_link ((struct _IO_FILE_plus *) &new_f->fp);
- free (new_f);
- return NULL;
- }
- new_f->fp.file._file._flags &= ~_IO_DELETE_DONT_CLOSE;
-
- _IO_mask_flags (&new_f->fp.file._file, read_write,
- _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
-
- return (_IO_FILE *) &new_f->fp;
-}
-
-strong_alias (_IO_old_fdopen, __old_fdopen)
-compat_symbol (libc, _IO_old_fdopen, _IO_fdopen, GLIBC_2_0);
-compat_symbol (libc, __old_fdopen, fdopen, GLIBC_2_0);
-
-#endif