106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
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/*
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* This file is a ghastly hack because nobody can agree on
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* gethostbyname_r()'s prototype.
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*
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* Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: gethostbyname.h,v 1.2 2004/12/01 23:54:51 opensides Exp $
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*/
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/*************************************************************************
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Usage:
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#include <errno.h>
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#include "gethostbyname.h"
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f ()
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{
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struct ghbnctx ctx;
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errno = 0;
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hp = gethostbyname_ctx (host, &ctx);
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if (hp == NULL)
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{
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if (errno != 0)
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handle_value_of_errno (errno);
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else
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handle_value_of_h_errno (h_error_ctx (&ctx));
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}
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else
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{
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...
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}
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free_ghbnctx (&ctx);
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}
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*************************************************************************/
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#ifndef _gethostbyname_h
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#define _gethostbyname_h
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#if HAVE_GETIPNODEBYNAME
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struct ghbnctx
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{
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int h_err;
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struct hostent *hostent;
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};
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#elif HAVE_GETHOSTBYNAME_R == 6
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struct ghbnctx
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{
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int h_err;
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struct hostent hostent;
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char *hostbuf;
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size_t hostbuf_len;
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};
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#elif HAVE_GETHOSTBYNAME_R == 5
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struct ghbnctx
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{
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int h_err;
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struct hostent hostent;
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char *hostbuf;
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int hostbuf_len;
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};
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#elif HAVE_GETHOSTBYNAME_R == 3
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struct ghbnctx
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{
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int h_err;
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struct hostent_data hostent_data;
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struct hostent hostent;
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};
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#else
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struct ghbnctx
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{
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int h_err;
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};
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#endif
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struct hostent *gethostbyname_ctx (const char *host, struct ghbnctx *ctx);
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int h_error_ctx (struct ghbnctx *ctx);
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void free_ghbnctx (struct ghbnctx *ctx);
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#endif
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