[d48955b] | 1 | #include <machine/rtems-bsd-user-space.h> |
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| 2 | |
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[028aaaf] | 3 | /* |
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| 4 | * Copyright (c) 1987, 1993 |
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| 5 | * The Regents of the University of California. All rights reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * 4. Neither the name of the University nor the names of its contributors |
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| 16 | * may be used to endorse or promote products derived from this software |
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| 17 | * without specific prior written permission. |
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| 18 | * |
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 29 | * SUCH DAMAGE. |
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| 30 | */ |
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| 31 | |
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| 32 | /* |
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| 33 | * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") |
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| 34 | * Portions Copyright (c) 1996-1999 by Internet Software Consortium. |
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| 35 | * |
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| 36 | * Permission to use, copy, modify, and distribute this software for any |
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| 37 | * purpose with or without fee is hereby granted, provided that the above |
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| 38 | * copyright notice and this permission notice appear in all copies. |
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| 39 | * |
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| 40 | * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES |
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| 41 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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| 42 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR |
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| 43 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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| 44 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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| 45 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
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| 46 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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| 47 | */ |
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| 48 | |
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| 49 | #if defined(LIBC_SCCS) && !defined(lint) |
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| 50 | static const char sccsid[] = "@(#)herror.c 8.1 (Berkeley) 6/4/93"; |
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[165dd8e] | 51 | static const char rcsid[] = "$Id: herror.c,v 1.4 2005/04/27 04:56:41 sra Exp $"; |
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[028aaaf] | 52 | #endif /* LIBC_SCCS and not lint */ |
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| 53 | #include <sys/cdefs.h> |
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| 54 | __FBSDID("$FreeBSD$"); |
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| 55 | |
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| 56 | #include "port_before.h" |
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| 57 | |
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| 58 | #include "namespace.h" |
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[3d1e767] | 59 | #include <sys/types.h> |
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[e599318] | 60 | #include <rtems/bsd/sys/param.h> |
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[028aaaf] | 61 | #include <sys/uio.h> |
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| 62 | |
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| 63 | #include <netinet/in.h> |
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| 64 | #include <arpa/nameser.h> |
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| 65 | |
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| 66 | #include <netdb.h> |
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| 67 | #include <resolv.h> |
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| 68 | #include <string.h> |
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| 69 | #include <unistd.h> |
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| 70 | #include "un-namespace.h" |
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| 71 | |
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| 72 | #include "port_after.h" |
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| 73 | |
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| 74 | const char *h_errlist[] = { |
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| 75 | "Resolver Error 0 (no error)", |
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| 76 | "Unknown host", /*%< 1 HOST_NOT_FOUND */ |
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| 77 | "Host name lookup failure", /*%< 2 TRY_AGAIN */ |
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| 78 | "Unknown server error", /*%< 3 NO_RECOVERY */ |
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| 79 | "No address associated with name", /*%< 4 NO_ADDRESS */ |
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| 80 | }; |
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| 81 | const int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] }; |
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| 82 | |
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| 83 | #undef h_errno |
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| 84 | int h_errno; |
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| 85 | |
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| 86 | /*% |
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| 87 | * herror -- |
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| 88 | * print the error indicated by the h_errno value. |
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| 89 | */ |
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| 90 | void |
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| 91 | herror(const char *s) { |
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| 92 | struct iovec iov[4], *v = iov; |
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| 93 | char *t; |
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| 94 | |
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| 95 | if (s != NULL && *s != '\0') { |
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| 96 | DE_CONST(s, t); |
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| 97 | v->iov_base = t; |
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| 98 | v->iov_len = strlen(t); |
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| 99 | v++; |
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| 100 | DE_CONST(": ", t); |
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| 101 | v->iov_base = t; |
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| 102 | v->iov_len = 2; |
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| 103 | v++; |
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| 104 | } |
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| 105 | DE_CONST(hstrerror(*__h_errno()), t); |
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| 106 | v->iov_base = t; |
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| 107 | v->iov_len = strlen(v->iov_base); |
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| 108 | v++; |
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| 109 | DE_CONST("\n", t); |
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| 110 | v->iov_base = t; |
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| 111 | v->iov_len = 1; |
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| 112 | _writev(STDERR_FILENO, iov, (v - iov) + 1); |
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| 113 | } |
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| 114 | |
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| 115 | /*% |
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| 116 | * hstrerror -- |
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| 117 | * return the string associated with a given "host" errno value. |
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| 118 | */ |
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| 119 | const char * |
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| 120 | hstrerror(int err) { |
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| 121 | if (err < 0) |
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| 122 | return ("Resolver internal error"); |
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| 123 | else if (err < h_nerr) |
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| 124 | return (h_errlist[err]); |
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| 125 | return ("Unknown resolver error"); |
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| 126 | } |
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| 127 | |
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| 128 | /*! \file */ |
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