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-/****************************************************************************
-*
-* SciTech OS Portability Manager Library
-*
-* ========================================================================
-*
-* The contents of this file are subject to the SciTech MGL Public
-* License Version 1.0 (the "License"); you may not use this file
-* except in compliance with the License. You may obtain a copy of
-* the License at http://www.scitechsoft.com/mgl-license.txt
-*
-* Software distributed under the License is distributed on an
-* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
-* implied. See the License for the specific language governing
-* rights and limitations under the License.
-*
-* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc.
-*
-* The Initial Developer of the Original Code is SciTech Software, Inc.
-* All Rights Reserved.
-*
-* ========================================================================
-*
-*
-* Language: ANSI C
-* Environment: any
-*
-* Description: Test program to determine just how much memory can be
-* allocated with the compiler in use. Compile and link
-* with the appropriate command line for your DOS extender.
-*
-* Functions tested: PM_malloc()
-* PM_availableMemory()
-*
-*
-****************************************************************************/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include "pmapi.h"
-
-#ifdef __16BIT__
-#define MAXALLOC 64
-#else
-#define MAXALLOC 2000
-#endif
-
-int main(void)
-{
- int i;
- ulong allocs;
- ulong physical,total;
- char *p,*pa[MAXALLOC];
-
- printf("Program running in ");
- switch (PM_getModeType()) {
- case PM_realMode:
- printf("real mode.\n\n");
- break;
- case PM_286:
- printf("16 bit protected mode.\n\n");
- break;
- case PM_386:
- printf("32 bit protected mode.\n\n");
- break;
- }
-
- printf("Memory available at start:\n");
- PM_availableMemory(&physical,&total);
- printf(" Physical memory: %ld Kb\n", physical / 1024);
- printf(" Total (including virtual): %ld Kb\n", total / 1024);
- printf("\n");
- for (allocs = i = 0; i < MAXALLOC; i++) {
- if ((pa[i] = PM_malloc(10*1024)) != 0) { /* in 10k blocks */
- p = pa[allocs];
- memset(p, 0, 10*1024); /* touch every byte */
- *p = 'x'; /* do something, anything with */
- p[1023] = 'y'; /* the allocated memory */
- allocs++;
- printf("Allocated %lu bytes\r", 10*(allocs << 10));
- }
- else break;
- if (PM_kbhit() && (PM_getch() == 0x1B))
- break;
- }
-
- printf("\n\nAllocated total of %lu bytes\n", 10 * (allocs << 10));
-
- printf("\nMemory available at end:\n");
- PM_availableMemory(&physical,&total);
- printf(" Physical memory: %ld Kb\n", physical / 1024);
- printf(" Total (including virtual): %ld Kb\n", total / 1024);
-
- for (i = allocs-1; i >= 0; i--)
- PM_free(pa[i]);
-
- printf("\nMemory available after freeing all blocks (note that under protected mode\n");
- printf("this will most likely not be correct after freeing blocks):\n\n");
- PM_availableMemory(&physical,&total);
- printf(" Physical memory: %ld Kb\n", physical / 1024);
- printf(" Total (including virtual): %ld Kb\n", total / 1024);
-
- return 0;
-}