projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b2abdfb | 1 | /*- |
| e9ce8d39 A |
2 | * Copyright (c) 1990, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Chris Torek. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| e9ce8d39 A |
16 | * 4. Neither the name of the University nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software | |
| 18 | * without specific prior written permission. | |
| 19 | * | |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 30 | * SUCH DAMAGE. | |
| 31 | */ | |
| 32 | ||
| 33 | #if defined(LIBC_SCCS) && !defined(lint) | |
| 9385eb3d | 34 | static char sccsid[] = "@(#)puts.c 8.1 (Berkeley) 6/4/93"; |
| e9ce8d39 | 35 | #endif /* LIBC_SCCS and not lint */ |
| 9385eb3d | 36 | #include <sys/cdefs.h> |
| 1f2f436a | 37 | __FBSDID("$FreeBSD: src/lib/libc/stdio/puts.c,v 1.11 2007/01/09 00:28:07 imp Exp $"); |
| e9ce8d39 | 38 | |
| 9385eb3d | 39 | #include "namespace.h" |
| e9ce8d39 | 40 | #include <stdio.h> |
| 9385eb3d A |
41 | #include <string.h> |
| 42 | #include "un-namespace.h" | |
| 43 | #include "fvwrite.h" | |
| 44 | #include "libc_private.h" | |
| 3d9156a7 | 45 | #include "local.h" |
| e9ce8d39 | 46 | |
| ad3c9f2a A |
47 | // 3340719: __puts_null__ is used if string is NULL. Shared by fputs.c |
| 48 | __private_extern__ char const __puts_null__[] = "(null)"; | |
| 49 | ||
| 9385eb3d A |
50 | /* |
| 51 | * Write the given string to stdout, appending a newline. | |
| 52 | */ | |
| e9ce8d39 | 53 | int |
| 9385eb3d A |
54 | puts(s) |
| 55 | char const *s; | |
| e9ce8d39 | 56 | { |
| 9385eb3d | 57 | int retval; |
| ad3c9f2a | 58 | size_t c; |
| 9385eb3d A |
59 | struct __suio uio; |
| 60 | struct __siov iov[2]; | |
| 5b2abdfb | 61 | |
| ad3c9f2a A |
62 | // 3340719: __puts_null__ is used if s is NULL |
| 63 | if(s == NULL) | |
| 64 | s = __puts_null__; | |
| 9385eb3d | 65 | iov[0].iov_base = (void *)s; |
| ad3c9f2a | 66 | iov[0].iov_len = c = strlen(s); |
| 9385eb3d A |
67 | iov[1].iov_base = "\n"; |
| 68 | iov[1].iov_len = 1; | |
| 69 | uio.uio_resid = c + 1; | |
| 70 | uio.uio_iov = &iov[0]; | |
| 71 | uio.uio_iovcnt = 2; | |
| 72 | FLOCKFILE(stdout); | |
| 3d9156a7 | 73 | ORIENT(stdout, -1); |
| 9385eb3d A |
74 | retval = __sfvwrite(stdout, &uio) ? EOF : '\n'; |
| 75 | FUNLOCKFILE(stdout); | |
| 76 | return (retval); | |
| e9ce8d39 | 77 | } |