jabberd2  2.2.17
misc.c
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1 /*
2  * jabberd - Jabber Open Source Server
3  * Copyright (c) 2002-2004 Jeremie Miller, Thomas Muldowney,
4  * Ryan Eatmon, Robert Norris
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
19  */
20 
21 #include "misc.h"
22 
23 #include <stdio.h>
24 #include <stdlib.h>
25 
26 #define BLOCKSIZE (1024)
27 
28 int misc_realloc(void **blocks, int len) {
29  void *nblocks;
30  int nlen;
31 
32  /* round up to standard block sizes */
33  nlen = (((len - 1) / BLOCKSIZE) + 1) * BLOCKSIZE;
34 
35  /* keep trying till we get it */
36  if((nblocks = realloc(*blocks, nlen)) == NULL) {
37  fprintf(stderr, "fatal: out of memory\n");
38  abort();
39  }
40 
41  *blocks = nblocks;
42  return nlen;
43 }