diff options
Diffstat (limited to 'libesmtp/current/gethostbyname.c')
| -rw-r--r-- | libesmtp/current/gethostbyname.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/libesmtp/current/gethostbyname.c b/libesmtp/current/gethostbyname.c deleted file mode 100644 index d151606d..00000000 --- a/libesmtp/current/gethostbyname.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * 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 - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#define _SVID_SOURCE 1 /* Need this to get gethostbyname_r() */ - -#include <assert.h> - -#include <stdlib.h> -#include <string.h> -#include <netdb.h> -#include <errno.h> - -#include "gethostbyname.h" - -#if HAVE_GETIPNODEBYNAME - -void -free_ghbnctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - if (ctx->hostent != NULL) - freehostent (ctx->hostent); -} - -struct hostent * -gethostbyname_ctx (const char *host, struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - memset (ctx, 0, sizeof (struct ghbnctx)); - ctx->hostent = getipnodebyname (host, AF_UNSPEC, AI_ADDRCONFIG, &ctx->h_err); - return ctx->hostent; -} - -int -h_error_ctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - return ctx->h_err; -} - -#elif HAVE_GETHOSTBYNAME_R == 6 - -void -free_ghbnctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - if (ctx->hostbuf != NULL) - free (ctx->hostbuf); -} - -struct hostent * -gethostbyname_ctx (const char *host, struct ghbnctx *ctx) -{ - struct hostent *hp; - char *tmp; - int err; - - assert (ctx != NULL); - - memset (ctx, 0, sizeof (struct ghbnctx)); - ctx->hostbuf_len = 2048; - if ((ctx->hostbuf = malloc (ctx->hostbuf_len)) == NULL) - { - errno = ENOMEM; - return NULL; - } - while ((err = gethostbyname_r (host, - &ctx->hostent, ctx->hostbuf, ctx->hostbuf_len, - &hp, &ctx->h_err)) == ERANGE) - { - ctx->hostbuf_len += 1024; - if ((tmp = realloc (ctx->hostbuf, ctx->hostbuf_len)) == NULL) - { - errno = ENOMEM; - return NULL; - } - ctx->hostbuf = tmp; - } - if (err != 0) - { - errno = err; - return NULL; - } - return hp; -} - -int -h_error_ctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - return ctx->h_err; -} - -#elif HAVE_GETHOSTBYNAME_R == 5 - -void -free_ghbnctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - if (ctx->hostbuf != NULL) - free (ctx->hostbuf); -} - -struct hostent * -gethostbyname_ctx (const char *host, struct ghbnctx *ctx) -{ - struct hostent *hp; - char *tmp; - - assert (ctx != NULL); - - memset (ctx, 0, sizeof (struct ghbnctx)); - ctx->hostbuf_len = 2048; - if ((ctx->hostbuf = malloc (ctx->hostbuf_len)) == NULL) - { - errno = ENOMEM; - return NULL; - } - while ((hp = gethostbyname_r (host, &ctx->hostent, - ctx->hostbuf, ctx->hostbuf_len, - &ctx->h_err)) == NULL && errno == ERANGE) - { - ctx->hostbuf_len += 1024; - if ((tmp = realloc (ctx->hostbuf, ctx->hostbuf_len)) == NULL) - { - errno = ENOMEM; - return NULL; - } - ctx->hostbuf = tmp; - } - return hp; -} - -int -h_error_ctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - return ctx->h_err; -} - -#elif HAVE_GETHOSTBYNAME_R == 3 - -void -free_ghbnctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - /* FIXME: does this need to do anything? */ -} - -struct hostent * -gethostbyname_ctx (const char *host, struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - if (!gethostbyname_r (host, &ctx->hostent, &ctx->hostent_data)) - { - ctx->h_err = h_errno; /* FIXME: is this correct? */ - return NULL; - } - return &ctx->hostent; -} - -int -h_error_ctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - return ctx->h_err; -} - -#else - -void -free_ghbnctx (struct ghbnctx *ctx __attribute__ ((unused))) -{ - assert (ctx != NULL); -} - -struct hostent * -gethostbyname_ctx (const char *host, struct ghbnctx *ctx) -{ - struct hostent *hp; - - hp = gethostbyname (host); - if (hp == NULL) - ctx->h_err = h_errno; - return hp; -} - -int -h_error_ctx (struct ghbnctx *ctx) -{ - assert (ctx != NULL); - - return ctx->h_err; -} - -#endif |