workbench/network/stacks/AROSTCP/bsdsocket/api/allocdatabuffer.c

   1 /*
   2  * Copyright (C) 1993 AmiTCP/IP Group, <amitcp-group@hut.fi>
   3  *                    Helsinki University of Technology, Finland.
   4  *                    All rights reserved.
   5  * Copyright (C) 2005 Neil Cafferkey
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14  * 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,
  19  * MA 02111-1307, USA.
  20  *
  21  */
  22
  23 #include <conf.h>
  24
  25 #include <exec/types.h>
  26
  27 #include <sys/malloc.h>
  28
  29 #include <api/amiga_api.h>
  30 #include <api/allocdatabuffer.h>
  31
  32 BOOL doAllocDataBuffer(struct DataBuffer * DB, int size)
  33 {
  34   if (DB->db_Addr)
  35     bsd_free(DB->db_Addr, M_TEMP);
  36
  37   if ((DB->db_Addr = bsd_malloc(size, M_TEMP, M_WAITOK)) == NULL) {
  38     DB->db_Size = 0;
  39     return FALSE;
  40   }
  41   DB->db_Size = size;
  42   return TRUE;
  43 }
  44
  45 VOID freeDataBuffer(struct DataBuffer * DB)
  46 {
  47   if (DB->db_Addr)
  48     bsd_free(DB->db_Addr, M_TEMP);
  49   DB->db_Size = 0;
  50   DB->db_Addr = NULL;
  51 }
  52