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Diffstat (limited to 'e-util/e-host-utils.c')
| -rw-r--r-- | e-util/e-host-utils.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/e-util/e-host-utils.c b/e-util/e-host-utils.c deleted file mode 100644 index ab1b1cc0d6..0000000000 --- a/e-util/e-host-utils.c +++ /dev/null @@ -1,156 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-host-utils.c - * - * Copyright (C) 2001 Ximian, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - * Author: Chris Toshok - */ - -#include <config.h> -#include <glib.h> -#include "e-host-utils.h" -#include <string.h> -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> - -#ifndef HAVE_GETHOSTBYNAME_R -G_LOCK_DEFINE_STATIC (gethost_mutex); -#endif - -/** - * e_gethostbyname_r: - * @name: the host to resolve - * @host: a buffer pointing to a struct hostent to use for storage - * @buf: a buffer to use for hostname storage - * @buflen: the size of @buf - * @herr: a pointer to a variable to store an error code in - * - * Resolves the hostname @name, in a hopefully-reentrant fashion. - * - * Return value: 0 on success, ERANGE if @buflen is too small, - * "something else" otherwise (in which case *@herr will be set to - * one of the gethostbyname() error codes). - **/ -int -e_gethostbyname_r (const char *name, struct hostent *host, - char *buf, int buflen, int *herr) -{ -#ifdef HAVE_GETHOSTBYNAME_R -#ifdef GETHOSTBYNAME_R_FIVE_ARGS - if (gethostbyname_r(name, host, buf, buflen, herr)) - return 0; - else - return errno; -#else - struct hostent *hp; - int retval; - - retval = gethostbyname_r(name, host, buf, buflen, &hp, herr); - if (hp != NULL) - *herr = 0; - return retval; -#endif -#else - int i; - char *p; - struct hostent *h; - int req_length; - int num_aliases = 0, num_addrs = 0; - - G_LOCK (gethost_mutex); - - h = gethostbyname (name); - - if (!h) { - *herr = h_errno; - G_UNLOCK (gethost_mutex); - return -1; - } - - /* check to make sure we have enough room in our buffer */ - req_length = 0; - if (h->h_aliases) { - for (i = 0; h->h_aliases[i]; i ++) - req_length += strlen (h->h_aliases[i]) + 1; - num_aliases = i; - } - if (h->h_addr_list) { - for (i = 0; h->h_addr_list[i]; i ++) - req_length += h->h_length; - num_addrs = i; - } - - req_length += sizeof (char*) * (num_aliases + 1); - req_length += sizeof (char*) * (num_addrs + 1); - req_length += strlen (h->h_name) + 1; - - if (buflen < req_length) { - *herr = ERANGE; - G_UNLOCK (gethost_mutex); - return ERANGE; - } - - /* we store the alias/addr pointers in the buffer - figure out - their addresses here. */ - p = buf; - if (num_aliases) { - host->h_aliases = (char**)p; - p += sizeof (char*) * (num_aliases + 1); - } - else - host->h_aliases = NULL; - if (num_addrs) { - host->h_addr_list = (char**)p; - p += sizeof(char*) * (num_addrs + 1); - } - else - host->h_addr_list = NULL; - - /* copy the host name into the buffer */ - host->h_name = p; - strcpy (p, h->h_name); - p += strlen (h->h_name) + 1; - host->h_addrtype = h->h_addrtype; - host->h_length = h->h_length; - - /* copy the aliases/addresses into the buffer, and assign the - pointers into the hostent */ - *p = 0; - if (num_aliases) { - for (i = 0; i < num_aliases; i ++) { - strcpy (p, h->h_aliases[i]); - host->h_aliases[i] = p; - p += strlen (h->h_aliases[i]); - } - host->h_aliases[num_aliases] = NULL; - } - - if (num_addrs) { - for (i = 0; i < num_addrs; i ++) { - memcpy (p, h->h_addr_list[i], h->h_length); - host->h_addr_list[i] = p; - p += h->h_length; - } - host->h_addr_list[num_addrs] = NULL; - } - - G_UNLOCK (gethost_mutex); - - return 0; -#endif -} |