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Diffstat (limited to 'libesmtp/current/gethostbyname.h')
-rw-r--r-- | libesmtp/current/gethostbyname.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/libesmtp/current/gethostbyname.h b/libesmtp/current/gethostbyname.h new file mode 100644 index 00000000..2b963997 --- /dev/null +++ b/libesmtp/current/gethostbyname.h @@ -0,0 +1,103 @@ +/* + * This file is a ghastly hack because nobody can agree on + * gethostbyname_r()'s prototype. + * + * Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/************************************************************************* + Usage: + + #include <errno.h> + #include "gethostbyname.h" + + f () + { + struct ghbnctx ctx; + + errno = 0; + hp = gethostbyname_ctx (host, &ctx); + if (hp == NULL) + { + if (errno != 0) + handle_value_of_errno (errno); + else + handle_value_of_h_errno (h_error_ctx (&ctx)); + } + else + { + ... + } + free_ghbnctx (&ctx); + } + *************************************************************************/ + +#ifndef _gethostbyname_h +#define _gethostbyname_h + +#if HAVE_GETIPNODEBYNAME + +struct ghbnctx + { + int h_err; + struct hostent *hostent; + }; + +#elif HAVE_GETHOSTBYNAME_R == 6 + +struct ghbnctx + { + int h_err; + struct hostent hostent; + char *hostbuf; + size_t hostbuf_len; + }; + +#elif HAVE_GETHOSTBYNAME_R == 5 + +struct ghbnctx + { + int h_err; + struct hostent hostent; + char *hostbuf; + int hostbuf_len; + }; + +#elif HAVE_GETHOSTBYNAME_R == 3 + +struct ghbnctx + { + int h_err; + struct hostent_data hostent_data; + struct hostent hostent; + }; + +#else + +struct ghbnctx + { + int h_err; + }; + +#endif + +struct hostent *gethostbyname_ctx (const char *host, struct ghbnctx *ctx); +int h_error_ctx (struct ghbnctx *ctx); +void free_ghbnctx (struct ghbnctx *ctx); + +#endif + |