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
puts(ptr)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