usr/src/lib/libc/stdio/setbuf.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)setbuf.c	5.2 (Berkeley) %G%";
#endif LIBC_SCCS and not lint

#include	<stdio.h>

setbuf(iop, buf)
register FILE *iop;
char *buf;
{
	if (iop->_base != NULL && iop->_flag&_IOMYBUF)
		free(iop->_base);
	iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF);
	if ((iop->_base = buf) == NULL) {
		iop->_flag |= _IONBF;
		iop->_bufsiz = NULL;
	} else {
		iop->_ptr = iop->_base;
		iop->_bufsiz = BUFSIZ;
	}
	iop->_cnt = 0;
}
Commit	Line	Data
	1	/*
	2	* Copyright (c) 1980 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*/
	6
	7	#if defined(LIBC_SCCS) && !defined(lint)
	8	static char sccsid[] = "@(#)setbuf.c 5.2 (Berkeley) %G%";
	9	#endif LIBC_SCCS and not lint
	10
	11	#include <stdio.h>
	12
	13	setbuf(iop, buf)
	14	register FILE *iop;
	15	char *buf;
	16	{
	17	if (iop->_base != NULL && iop->_flag&_IOMYBUF)
	18	free(iop->_base);
	19	iop->_flag &= ~(_IOMYBUF\|_IONBF\|_IOLBF);
	20	if ((iop->_base = buf) == NULL) {
	21	iop->_flag \|= _IONBF;
	22	iop->_bufsiz = NULL;
	23	} else {
	24	iop->_ptr = iop->_base;
	25	iop->_bufsiz = BUFSIZ;
	26	}
	27	iop->_cnt = 0;
	28	}