1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1986 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984 AT&T */ 28 /* All Rights Reserved */ 29 30 #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 3.3 */ 31 32 /*LINTLIBRARY*/ 33 /* 34 * This version writes directly to the buffer rather than looping on putc. 35 * Ptr args aren't checked for NULL because the program would be a 36 * catastrophic mess anyway. Better to abort than just to return NULL. 37 */ 38 #include <stdio.h> 39 #include "stdiom.h" 40 41 extern char *memccpy(); 42 43 int 44 puts(ptr) 45 char *ptr; 46 { 47 char *p; 48 register int ndone = 0, n; 49 register unsigned char *cptr, *bufend; 50 51 if (_WRTCHK(stdout)) 52 return (EOF); 53 54 bufend = stdout->_base + stdout->_bufsiz; 55 56 for ( ; ; ptr += n) { 57 while ((n = bufend - (cptr = stdout->_ptr)) <= 0) /* full buf */ 58 if (_xflsbuf(stdout) == EOF) 59 return(EOF); 60 if ((p = memccpy((char *) cptr, ptr, '\0', n)) != NULL) 61 n = p - (char *) cptr; 62 stdout->_cnt -= n; 63 stdout->_ptr += n; 64 _BUFSYNC(stdout); 65 ndone += n; 66 if (p != NULL) { 67 stdout->_ptr[-1] = '\n'; /* overwrite '\0' with '\n' */ 68 if (stdout->_flag & (_IONBF | _IOLBF)) /* flush line */ 69 if (_xflsbuf(stdout) == EOF) 70 return(EOF); 71 return(ndone); 72 } 73 } 74 } 75