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/* $OpenBSD: gai_strerror.c,v 1.8 2015/09/14 07:38:38 guenther Exp $ */ |
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/* |
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* Copyright (c) 1997-1999, Craig Metz, All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by Craig Metz and |
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* by other contributors. |
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* 4. Neither the name of the author nor the names of contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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/* gai_strerror() v1.38 */ |
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#include <sys/types.h> |
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#include <netdb.h> |
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#include <errno.h> |
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const char * |
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gai_strerror(int errnum) |
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{ |
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switch (errnum) { |
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case 0: |
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return "no error"; |
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case EAI_BADFLAGS: |
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return "invalid value for ai_flags"; |
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case EAI_NONAME: |
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return "name or service is not known"; |
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case EAI_AGAIN: |
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return "temporary failure in name resolution"; |
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case EAI_FAIL: |
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return "non-recoverable failure in name resolution"; |
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case EAI_NODATA: |
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return "no address associated with name"; |
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case EAI_FAMILY: |
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return "ai_family not supported"; |
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case EAI_SOCKTYPE: |
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return "ai_socktype not supported"; |
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case EAI_SERVICE: |
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return "service not supported for ai_socktype"; |
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case EAI_ADDRFAMILY: |
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return "address family for name not supported"; |
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case EAI_MEMORY: |
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return "memory allocation failure"; |
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case EAI_SYSTEM: |
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return "system error"; |
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case EAI_BADHINTS: |
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return "invalid value for hints"; |
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case EAI_PROTOCOL: |
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return "resolved protocol is unknown"; |
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case EAI_OVERFLOW: |
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return "argument buffer overflow"; |
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default: |
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return "unknown/invalid error"; |
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} |
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} |
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DEF_WEAK(gai_strerror); |