11.17Smrg/* $NetBSD: puts.c,v 1.17 2018/02/04 01:13:45 mrg Exp $ */ 21.4Sjtc 31.1Scgd/*- 41.4Sjtc * Copyright (c) 1990, 1993 51.4Sjtc * The Regents of the University of California. All rights reserved. 61.1Scgd * 71.1Scgd * This code is derived from software contributed to Berkeley by 81.1Scgd * Chris Torek. 91.1Scgd * 101.1Scgd * Redistribution and use in source and binary forms, with or without 111.1Scgd * modification, are permitted provided that the following conditions 121.1Scgd * are met: 131.1Scgd * 1. Redistributions of source code must retain the above copyright 141.1Scgd * notice, this list of conditions and the following disclaimer. 151.1Scgd * 2. Redistributions in binary form must reproduce the above copyright 161.1Scgd * notice, this list of conditions and the following disclaimer in the 171.1Scgd * documentation and/or other materials provided with the distribution. 181.12Sagc * 3. Neither the name of the University nor the names of its contributors 191.1Scgd * may be used to endorse or promote products derived from this software 201.1Scgd * without specific prior written permission. 211.1Scgd * 221.1Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 231.1Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 241.1Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 251.1Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 261.1Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 271.1Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 281.1Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 291.1Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 301.1Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 311.1Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 321.1Scgd * SUCH DAMAGE. 331.1Scgd */ 341.1Scgd 351.6Schristos#include <sys/cdefs.h> 361.1Scgd#if defined(LIBC_SCCS) && !defined(lint) 371.4Sjtc#if 0 381.4Sjtcstatic char sccsid[] = "@(#)puts.c 8.1 (Berkeley) 6/4/93"; 391.6Schristos#else 401.17Smrg__RCSID("$NetBSD: puts.c,v 1.17 2018/02/04 01:13:45 mrg Exp $"); 411.4Sjtc#endif 421.1Scgd#endif /* LIBC_SCCS and not lint */ 431.1Scgd 441.9Slukem#include <assert.h> 451.9Slukem#include <errno.h> 461.1Scgd#include <stdio.h> 471.1Scgd#include <string.h> 481.1Scgd#include "fvwrite.h" 491.7Skleink#include "reentrant.h" 501.11Snathanw#include "local.h" 511.1Scgd 521.1Scgd/* 531.1Scgd * Write the given string to stdout, appending a newline. 541.1Scgd */ 551.5Sjtcint 561.16Schristosputs(char const *s) 571.1Scgd{ 581.15Schris size_t c; 591.1Scgd struct __suio uio; 601.1Scgd struct __siov iov[2]; 611.17Smrg const void *vs = s; 621.7Skleink int r; 631.9Slukem 641.17Smrg /* This avoids -Werror=nonnull-compare. */ 651.17Smrg if (vs == NULL) 661.13Schristos s = "(null)"; 671.13Schristos 681.15Schris c = strlen(s); 691.15Schris 701.13Schristos iov[0].iov_base = __UNCONST(s); 711.1Scgd iov[0].iov_len = c; 721.14Schristos iov[1].iov_base = __UNCONST("\n"); 731.1Scgd iov[1].iov_len = 1; 741.1Scgd uio.uio_resid = c + 1; 751.1Scgd uio.uio_iov = &iov[0]; 761.1Scgd uio.uio_iovcnt = 2; 771.7Skleink FLOCKFILE(stdout); 781.7Skleink r = __sfvwrite(stdout, &uio); 791.7Skleink FUNLOCKFILE(stdout); 801.16Schristos return r ? EOF : '\n'; 811.1Scgd} 82