/* * Copyright (c) 1987, 1993 * The Regents of the University of California. All rights reserved. * * Portions copyright (c) 1999, 2000 * Intel Corporation. * All rights reserved. * * 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. * * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * * This product includes software developed by the University of * California, Berkeley, Intel Corporation, and its contributors. * * 4. Neither the name of University, Intel Corporation, or their respective * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION 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 REGENTS, * INTEL CORPORATION 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. * */ /* * Portions Copyright (c) 1996 by Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * SOFTWARE. herror.c 8.1 (Berkeley) 6/4/93 herror.c,v 1.1.1.1 2003/11/19 01:51:28 kyu3 Exp */ #include #include #include #include #include #include const char *h_errlist[] = { "Resolver Error 0 (no error)", "Unknown host", /* 1 HOST_NOT_FOUND */ "Host name lookup failure", /* 2 TRY_AGAIN */ "Unknown server error", /* 3 NO_RECOVERY */ "No address associated with name", /* 4 NO_ADDRESS */ }; int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] }; int h_errno; const char * hstrerror( int err ); /* * herror -- * print the error indicated by the h_errno value. */ void herror( const char *s ) { struct iovec iov[4]; register struct iovec *v = iov; int i; if (s && *s) { v->iov_base = (char *)s; v->iov_len = strlen(s); v++; v->iov_base = ": "; v->iov_len = 2; v++; } v->iov_base = (char *)hstrerror(h_errno); v->iov_len = strlen(v->iov_base); v++; v->iov_base = "\n"; v->iov_len = 1; #ifdef _ORG_FREEBSD_ writev(STDERR_FILENO, iov, (v - iov) + 1); #else for (i = 0; i < (v - iov) + 1; i++) fprintf( stderr, iov[i].iov_base); #endif } const char * hstrerror( int err ) { if (err < 0) return ("Resolver internal error"); else if (err < h_nerr) return (h_errlist[err]); return ("Unknown resolver error"); }