/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ident	"@(#)puts.c	1.9	92/09/23 SMI"	/* SVr4.0 3.13	*/

/*LINTLIBRARY*/
#include "synonyms.h"
#include "shlib.h"
#include <stdio.h>
#include "stdiom.h"
#include <memory.h>
#include <thread.h>
#include <synch.h>
#include <mtlib.h>

int
puts(ptr)
	register const char *ptr;
{
	register char *p;
	register int ndone = 0, n;
	register unsigned char *cptr, *bufend;
#ifdef _REENTRANT
	rmutex_t *lk;
#endif _REENTRANT

	FLOCKFILE(lk, stdout);
	if (_WRTCHK(stdout)) {
		FUNLOCKFILE(lk);
		return EOF;
	}

	bufend = _bufend(stdout);

	for ( ; ; ptr += n)
	{
		while ((n = bufend - (cptr = stdout->_ptr)) <= 0) /* full buf */
		{
			if (_xflsbuf(stdout) == EOF) {
				FUNLOCKFILE(lk);
				return EOF;
			}
		}
		if ((p = memccpy((char *) cptr, ptr, '\0', n)) != 0)
			n = p - (char *) cptr;
		stdout->_cnt -= n;
		stdout->_ptr += n;
		if (_needsync(stdout, bufend))
			_bufsync(stdout, bufend);
		ndone += n;
		if (p != 0) 
		{
			stdout->_ptr[-1] = '\n'; /* overwrite '\0' with '\n' */
			if (stdout->_flag & (_IONBF | _IOLBF)) /* flush line */
			{
				if (_xflsbuf(stdout) == EOF) {
					FUNLOCKFILE(lk);
					return EOF;
				}
			}
			FUNLOCKFILE(lk);
			return ndone;
		}
	}
}