| | 1 | /* |
| | 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights |
| | 7 | * Reserved. This file contains Original Code and/or Modifications of |
| | 8 | * Original Code as defined in and that are subject to the Apple Public |
| | 9 | * Source License Version 1.1 (the "License"). You may not use this file |
| | 10 | * except in compliance with the License. Please obtain a copy of the |
| | 11 | * License at http://www.apple.com/publicsource and read it before using |
| | 12 | * this file. |
| | 13 | * |
| | 14 | * The Original Code and all software distributed under the License are |
| | 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the |
| | 19 | * License for the specific language governing rights and limitations |
| | 20 | * under the License. |
| | 21 | * |
| | 22 | * @APPLE_LICENSE_HEADER_END@ |
| | 23 | */ |
| | 24 | /* |
| | 25 | * ++Copyright++ 1987, 1993 |
| | 26 | * - |
| | 27 | * Copyright (c) 1987, 1993 |
| | 28 | * The Regents of the University of California. All rights reserved. |
| | 29 | * |
| | 30 | * Redistribution and use in source and binary forms, with or without |
| | 31 | * modification, are permitted provided that the following conditions |
| | 32 | * are met: |
| | 33 | * 1. Redistributions of source code must retain the above copyright |
| | 34 | * notice, this list of conditions and the following disclaimer. |
| | 35 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 36 | * notice, this list of conditions and the following disclaimer in the |
| | 37 | * documentation and/or other materials provided with the distribution. |
| | 38 | * 3. All advertising materials mentioning features or use of this software |
| | 39 | * must display the following acknowledgement: |
| | 40 | * This product includes software developed by the University of |
| | 41 | * California, Berkeley and its contributors. |
| | 42 | * 4. Neither the name of the University nor the names of its contributors |
| | 43 | * may be used to endorse or promote products derived from this software |
| | 44 | * without specific prior written permission. |
| | 45 | * |
| | 46 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 47 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 48 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 49 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 50 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 51 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 52 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 53 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 54 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 55 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 56 | * SUCH DAMAGE. |
| | 57 | * - |
| | 58 | * Portions Copyright (c) 1993 by Digital Equipment Corporation. |
| | 59 | * |
| | 60 | * Permission to use, copy, modify, and distribute this software for any |
| | 61 | * purpose with or without fee is hereby granted, provided that the above |
| | 62 | * copyright notice and this permission notice appear in all copies, and that |
| | 63 | * the name of Digital Equipment Corporation not be used in advertising or |
| | 64 | * publicity pertaining to distribution of the document or software without |
| | 65 | * specific, written prior permission. |
| | 66 | * |
| | 67 | * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL |
| | 68 | * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES |
| | 69 | * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT |
| | 70 | * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| | 71 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| | 72 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS |
| | 73 | * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| | 74 | * SOFTWARE. |
| | 75 | * - |
| | 76 | * --Copyright-- |
| | 77 | */ |
| | 78 | |
| | 79 | #if defined(LIBC_SCCS) && !defined(lint) |
| | 80 | static char sccsid[] = "@(#)herror.c 8.1 (Berkeley) 6/4/93"; |
| | 81 | static char rcsid[] = "$Id: herror.c,v 1.2 1999/10/14 21:56:44 wsanchez Exp $"; |
| | 82 | #endif /* LIBC_SCCS and not lint */ |
| | 83 | |
| | 84 | #include <sys/param.h> |
| | 85 | #include <sys/uio.h> |
| | 86 | #include <netdb.h> |
| | 87 | #if defined(BSD) && (BSD >= 199103) |
| | 88 | # include <unistd.h> |
| | 89 | # include <string.h> |
| | 90 | #else |
| | 91 | # include "portability.h" |
| | 92 | #endif |
| | 93 | |
| | 94 | const char *h_errlist[] = { |
| | 95 | "Resolver Error 0 (no error)", |
| | 96 | "Unknown host", /* 1 HOST_NOT_FOUND */ |
| | 97 | "Host name lookup failure", /* 2 TRY_AGAIN */ |
| | 98 | "Unknown server error", /* 3 NO_RECOVERY */ |
| | 99 | "No address associated with name", /* 4 NO_ADDRESS */ |
| | 100 | }; |
| | 101 | int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] }; |
| | 102 | |
| | 103 | #if defined(__APPLE__) |
| | 104 | int h_errno = 0; |
| | 105 | #else |
| | 106 | extern int h_errno; |
| | 107 | #endif /* !NeXT */ |
| | 108 | |
| | 109 | /* |
| | 110 | * herror -- |
| | 111 | * print the error indicated by the h_errno value. |
| | 112 | */ |
| | 113 | void |
| | 114 | herror(s) |
| | 115 | const char *s; |
| | 116 | { |
| | 117 | struct iovec iov[4]; |
| | 118 | register struct iovec *v = iov; |
| | 119 | |
| | 120 | if (s && *s) { |
| | 121 | v->iov_base = (char *)s; |
| | 122 | v->iov_len = strlen(s); |
| | 123 | v++; |
| | 124 | v->iov_base = ": "; |
| | 125 | v->iov_len = 2; |
| | 126 | v++; |
| | 127 | } |
| | 128 | v->iov_base = (char *)hstrerror(h_errno); |
| | 129 | v->iov_len = strlen(v->iov_base); |
| | 130 | v++; |
| | 131 | v->iov_base = "\n"; |
| | 132 | v->iov_len = 1; |
| | 133 | writev(STDERR_FILENO, iov, (v - iov) + 1); |
| | 134 | } |
| | 135 | |
| | 136 | char * |
| | 137 | hstrerror(err) |
| | 138 | int err; |
| | 139 | { |
| | 140 | if (err < 0) |
| | 141 | return ("Resolver internal error"); |
| | 142 | else if (err < h_nerr) |
| | 143 | return (h_errlist[err]); |
| | 144 | return ("Unknown resolver error"); |
| | 145 | } |
projects / apple / libinfo.git / blame_incremental