Files
QNX/lib/c/stdio/__fpbufinit.c
2025-08-20 19:02:58 +08:00

56 lines
1.5 KiB
C

/*
* $QNXLicenseC:
* Copyright 2007, QNX Software Systems. All Rights Reserved.
*
* You must obtain a written license from and pay applicable license fees to QNX
* Software Systems before you may reproduce, modify or distribute this software,
* or any work that includes all or part of this software. Free development
* licenses are available for evaluation and non-commercial purposes. For more
* information visit http://licensing.qnx.com or email licensing@qnx.com.
*
* This file may contain contributions from others. Please review this entire
* file for other proprietary rights or license notices, as well as the QNX
* Development Suite License Guide at http://licensing.qnx.com/license-guide/
* for other information.
* $
*/
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <limits.h>
#include <share.h>
#include <malloc.h>
#include <errno.h>
#include <string.h>
#include "xstdio.h"
_STD_BEGIN
void __fpbufinit(FILE *fp) {
int save_errno = errno;
fp->_Buf = &fp->_Cbuf;
fp->_Next = &fp->_Cbuf;
fp->_Rend = &fp->_Cbuf;
fp->_WRend = &fp->_Cbuf;
fp->_Wend = &fp->_Cbuf;
fp->_WWend = &fp->_Cbuf;
fp->_Rback = fp->_Back + sizeof fp->_Back / sizeof *fp->_Back;
fp->_WRback = fp->_WBack + sizeof fp->_WBack / sizeof *fp->_WBack;
fp->_Rsave = 0;
if(isatty(fileno(fp))) {
fp->_Mode |= _MISTTY;
setvbuf(fp, 0, _IOLBF, BUFSIZ);
}
errno = save_errno;
}
_STD_END
__SRCVERSION("__fpbufinit.c $Rev: 153052 $");