/* $NetBSD: pwrite.c,v 1.4 2008/04/28 20:24:12 martin Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Todd Vierling. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* Emulate pwrite() with lseek()/write()/lseek(). Not thread-safe, of course. */ #include "nbtool_config.h" #if !HAVE_PWRITE #include ssize_t pwrite(int d, const void *buf, size_t nbytes, off_t offset) { off_t oldoff = lseek(d, offset, SEEK_SET); int olderrno; ssize_t nw; if (oldoff < 0) return -1; nw = write(d, buf, nbytes); olderrno = errno; lseek(d, oldoff, SEEK_SET); errno = olderrno; return nw; } #endif Commit message (Expand)Author 2014-04-22Retire USE_COMPILERCRTSTUFF=yes.joerg 2011-03-07Pass down ELF Auxillary Vectors for static NetBSD binaries too.joerg 2011-02-22Introduce __weakref_visible to handle the different required visibilityjoerg 2009-11-09Make lib/csu compile. XXX somewhat bogus.skrll 2008-05-10Backout previous: the license sweep touched these files in error, somartin 2008-04-28Remove clause 3 and 4 from TNF licensesmartin 2007-05-15All platforms are MD_DO_NOT_NEED_FALLTHRU now so no need to keep itskrll 2006-09-15ANSIfyskrll 2006-09-14-DELFSIZE=64 for csu buildcherry 2006-07-18Tidy up for MD_DO_NOT_NEED_FALLTHRU.skrll 2006-07-02First round at ia64 csucherry