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/*
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright © 2019 Keith Packard
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdio_private.h"
#include <stdlib.h>
#include <unistd.h>
static char write_buf[BUFSIZ];
static char read_buf[BUFSIZ];
static struct __file_bufio __stdin = FDEV_SETUP_POSIX(0, read_buf, BUFSIZ, __SRD, 0);
static struct __file_bufio __stdout = FDEV_SETUP_POSIX(1, write_buf, BUFSIZ, __SWR, __BLBF);
FILE *const __posix_stdin = &__stdin.xfile.cfile.file;
FILE *const __posix_stdout = &__stdout.xfile.cfile.file;
#ifdef __strong_reference
__strong_reference(__posix_stdout, __posix_stderr);
#else
FILE *const __posix_stderr = &__stdout.xfile.cfile.file;
#endif
__weak_reference(__posix_stdin,stdin);
__weak_reference(__posix_stdout,stdout);
__weak_reference(__posix_stderr,stderr);
__attribute__((constructor))
static void posix_init(void)
{
__bufio_lock_init(&__stdin.xfile.cfile.file);
__bufio_lock_init(&__stdout.xfile.cfile.file);
}
/*
* Add a destructor function to get stdout flushed on
* exit
*/
__attribute__((destructor (101)))
static void posix_exit(void)
{
fflush(stdout);
}
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