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103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/*****************************************************************************
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* gai_strerror.c: gai_strerror() replacement function
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*****************************************************************************
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* Copyright (C) 2005 the VideoLAN team
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* Copyright (C) 2002-2007 Rémi Denis-Courmont
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* Copyright (C) 2011-2015 KO Myung-Hun
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*
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* Authors: KO Myung-Hun <komh@chollian.net>
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* Rémi Denis-Courmont
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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/* GAI error codes. See include/vlc_network.h. */
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#ifndef EAI_BADFLAGS
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# define EAI_BADFLAGS -1
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#endif
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#ifndef EAI_NONAME
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# define EAI_NONAME -2
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#endif
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#ifndef EAI_AGAIN
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# define EAI_AGAIN -3
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#endif
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#ifndef EAI_FAIL
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# define EAI_FAIL -4
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#endif
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#ifndef EAI_NODATA
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# define EAI_NODATA -5
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#endif
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#ifndef EAI_FAMILY
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# define EAI_FAMILY -6
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#endif
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#ifndef EAI_SOCKTYPE
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# define EAI_SOCKTYPE -7
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#endif
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#ifndef EAI_SERVICE
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# define EAI_SERVICE -8
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#endif
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#ifndef EAI_ADDRFAMILY
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# define EAI_ADDRFAMILY -9
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#endif
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#ifndef EAI_MEMORY
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# define EAI_MEMORY -10
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#endif
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#ifndef EAI_OVERFLOW
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# define EAI_OVERFLOW -11
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#endif
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#ifndef EAI_SYSTEM
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# define EAI_SYSTEM -12
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#endif
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static const struct
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{
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int code;
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const char msg[41];
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} gai_errlist[] =
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{
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{ 0, "Error 0" },
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{ EAI_BADFLAGS, "Invalid flag used" },
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{ EAI_NONAME, "Host or service not found" },
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{ EAI_AGAIN, "Temporary name service failure" },
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{ EAI_FAIL, "Non-recoverable name service failure" },
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{ EAI_NODATA, "No data for host name" },
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{ EAI_FAMILY, "Unsupported address family" },
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{ EAI_SOCKTYPE, "Unsupported socket type" },
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{ EAI_SERVICE, "Incompatible service for socket type" },
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{ EAI_ADDRFAMILY, "Unavailable address family for host name" },
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{ EAI_MEMORY, "Memory allocation failure" },
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{ EAI_OVERFLOW, "Buffer overflow" },
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{ EAI_SYSTEM, "System error" },
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{ 0, "" },
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};
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static const char gai_unknownerr[] = "Unrecognized error number";
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/****************************************************************************
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* Converts an EAI_* error code into human readable english text.
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****************************************************************************/
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const char *gai_strerror (int errnum)
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{
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for (unsigned i = 0; *gai_errlist[i].msg; i++)
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if (errnum == gai_errlist[i].code)
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return gai_errlist[i].msg;
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return gai_unknownerr;
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}
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