1ad760e6fSDavid Schultz /*- 2ad760e6fSDavid Schultz * Copyright (c) 2009 David Schultz <das@FreeBSD.org> 3ad760e6fSDavid Schultz * All rights reserved. 4ad760e6fSDavid Schultz * 5*3c87aa1dSDavid Chisnall * Copyright (c) 2011 The FreeBSD Foundation 6*3c87aa1dSDavid Chisnall * All rights reserved. 7*3c87aa1dSDavid Chisnall * Portions of this software were developed by David Chisnall 8*3c87aa1dSDavid Chisnall * under sponsorship from the FreeBSD Foundation. 9*3c87aa1dSDavid Chisnall * 10ad760e6fSDavid Schultz * Redistribution and use in source and binary forms, with or without 11ad760e6fSDavid Schultz * modification, are permitted provided that the following conditions 12ad760e6fSDavid Schultz * are met: 13ad760e6fSDavid Schultz * 1. Redistributions of source code must retain the above copyright 14ad760e6fSDavid Schultz * notice, this list of conditions and the following disclaimer. 15ad760e6fSDavid Schultz * 2. Redistributions in binary form must reproduce the above copyright 16ad760e6fSDavid Schultz * notice, this list of conditions and the following disclaimer in the 17ad760e6fSDavid Schultz * documentation and/or other materials provided with the distribution. 18ad760e6fSDavid Schultz * 19ad760e6fSDavid Schultz * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20ad760e6fSDavid Schultz * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21ad760e6fSDavid Schultz * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22ad760e6fSDavid Schultz * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23ad760e6fSDavid Schultz * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24ad760e6fSDavid Schultz * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25ad760e6fSDavid Schultz * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26ad760e6fSDavid Schultz * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27ad760e6fSDavid Schultz * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28ad760e6fSDavid Schultz * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29ad760e6fSDavid Schultz * SUCH DAMAGE. 30ad760e6fSDavid Schultz */ 31ad760e6fSDavid Schultz 32ad760e6fSDavid Schultz #include <sys/cdefs.h> 33ad760e6fSDavid Schultz __FBSDID("$FreeBSD$"); 34ad760e6fSDavid Schultz 35ad760e6fSDavid Schultz #include "namespace.h" 36ad760e6fSDavid Schultz #include <errno.h> 37ad760e6fSDavid Schultz #include <limits.h> 38ad760e6fSDavid Schultz #include <stdarg.h> 39ad760e6fSDavid Schultz #include <stdio.h> 40ad760e6fSDavid Schultz #include "un-namespace.h" 41ad760e6fSDavid Schultz 42ad760e6fSDavid Schultz #include "local.h" 43*3c87aa1dSDavid Chisnall #include "xlocale_private.h" 44ad760e6fSDavid Schultz 45ad760e6fSDavid Schultz int 46ad760e6fSDavid Schultz vdprintf(int fd, const char * __restrict fmt, va_list ap) 47ad760e6fSDavid Schultz { 481b0181dfSJohn Baldwin FILE f = FAKE_FILE; 49ad760e6fSDavid Schultz unsigned char buf[BUFSIZ]; 50ad760e6fSDavid Schultz int ret; 51ad760e6fSDavid Schultz 52ad760e6fSDavid Schultz if (fd > SHRT_MAX) { 53ad760e6fSDavid Schultz errno = EMFILE; 54ad760e6fSDavid Schultz return (EOF); 55ad760e6fSDavid Schultz } 56ad760e6fSDavid Schultz 57ad760e6fSDavid Schultz f._p = buf; 58ad760e6fSDavid Schultz f._w = sizeof(buf); 59ad760e6fSDavid Schultz f._flags = __SWR; 60ad760e6fSDavid Schultz f._file = fd; 61ad760e6fSDavid Schultz f._cookie = &f; 62ad760e6fSDavid Schultz f._write = __swrite; 63ad760e6fSDavid Schultz f._bf._base = buf; 64ad760e6fSDavid Schultz f._bf._size = sizeof(buf); 65ad760e6fSDavid Schultz 66*3c87aa1dSDavid Chisnall if ((ret = __vfprintf(&f, __get_locale(), fmt, ap)) < 0) 67ad760e6fSDavid Schultz return (ret); 68ad760e6fSDavid Schultz 69ad760e6fSDavid Schultz return (__fflush(&f) ? EOF : ret); 70ad760e6fSDavid Schultz } 71