1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Chris Torek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include "namespace.h" 36 #include <limits.h> 37 #include <stdio.h> 38 #include <string.h> 39 #include "un-namespace.h" 40 #include "fvwrite.h" 41 #include "libc_private.h" 42 #include "local.h" 43 44 /* 45 * Write the given string to the given file. 46 */ 47 int 48 fputs_unlocked(const char * __restrict s, FILE * __restrict fp) 49 { 50 int retval; 51 struct __suio uio; 52 struct __siov iov; 53 54 iov.iov_base = (void *)s; 55 uio.uio_resid = iov.iov_len = strlen(s); 56 uio.uio_iov = &iov; 57 uio.uio_iovcnt = 1; 58 ORIENT(fp, -1); 59 retval = __sfvwrite(fp, &uio); 60 if (retval == 0) 61 return (iov.iov_len > INT_MAX ? INT_MAX : iov.iov_len); 62 return (retval); 63 } 64 65 int 66 fputs(const char * __restrict s, FILE * __restrict fp) 67 { 68 int retval; 69 70 FLOCKFILE_CANCELSAFE(fp); 71 retval = fputs_unlocked(s, fp); 72 FUNLOCKFILE_CANCELSAFE(); 73 return (retval); 74 } 75