jabberd2  2.2.16
util/misc.c
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00001 /*
00002  * jabberd - Jabber Open Source Server
00003  * Copyright (c) 2002-2004 Jeremie Miller, Thomas Muldowney,
00004  *                         Ryan Eatmon, Robert Norris
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
00019  */
00020 
00021 #include "misc.h"
00022 
00023 #include <stdio.h>
00024 #include <stdlib.h>
00025 
00026 #define BLOCKSIZE (1024)
00027 
00028 int misc_realloc(void **blocks, int len) {
00029     void *nblocks;
00030     int nlen;
00031 
00032     /* round up to standard block sizes */
00033     nlen = (((len - 1) / BLOCKSIZE) + 1) * BLOCKSIZE;
00034 
00035     /* keep trying till we get it */
00036     if((nblocks = realloc(*blocks, nlen)) == NULL) {
00037         fprintf(stderr, "fatal: out of memory\n");
00038         abort();
00039     }
00040 
00041     *blocks = nblocks;
00042     return nlen;
00043 }