src/video/ataricommon/SDL_atarimxalloc.c
author Patrice Mandin <patmandin@gmail.com>
Fri, 17 Apr 2015 21:32:45 +0200
branchSDL-1.2
changeset 9564 b87c22915505
parent 6137 4720145f848b
permissions -rw-r--r--
Do not allocate in STRAM if TTRAM allocation is mandatory
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2012 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 #include "SDL_config.h"
    23 
    24 /*
    25  *	Memory allocation
    26  *
    27  *	Patrice Mandin
    28  */
    29 
    30 #include <mint/osbind.h>
    31 
    32 #include "SDL_stdinc.h"
    33 
    34 /*--- Variables ---*/
    35 
    36 static int atari_mxalloc_avail=-1;
    37 
    38 /*--- Functions ---*/
    39 
    40 void *Atari_SysMalloc(Uint32 size, Uint16 alloc_type)
    41 {
    42 	/* Test if Mxalloc() available */
    43 	if (atari_mxalloc_avail<0) {
    44 		atari_mxalloc_avail = ((Sversion()&0xFF)>=0x01) | (Sversion()>=0x1900);
    45 	}
    46 
    47 	if (atari_mxalloc_avail) {
    48 		return (void *) Mxalloc(size, alloc_type);
    49 	} else {
    50 		if (alloc_type==MX_TTRAM) {
    51 			return NULL;
    52 		}
    53 		return (void *) Malloc(size);
    54 	}
    55 }