mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 14:25:32 +00:00
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
|
|
* Copyright 2016 The Emscripten Authors. All rights reserved.
|
|
* Emscripten is available under two separate licenses, the MIT license and the
|
|
* University of Illinois/NCSA Open Source License. Both these licenses can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include "emscripten.h"
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *buf1 = (char*)malloc(100);
|
|
char *data1 = "hello";
|
|
memcpy(buf1, data1, strlen(data1)+1);
|
|
|
|
float *buf2 = (float*)malloc(100);
|
|
float pie = 4.955;
|
|
memcpy(buf2, &pie, sizeof(float));
|
|
|
|
printf("*pre: %s,%.3f*\n", buf1, buf2[0]);
|
|
|
|
int totalMemory = emscripten_run_script_int("TOTAL_MEMORY");
|
|
int chunk = 1024*1024;
|
|
char *buf3;
|
|
for (int i = 0; i < (totalMemory/chunk)+1; i++) {
|
|
buf3 = (char*)malloc(chunk);
|
|
buf3[argc] = (int)buf2;
|
|
}
|
|
if (argc % 7 == 6) printf("%d\n", memcpy(buf3, buf1, argc));
|
|
char *buf4 = (char*)malloc(100);
|
|
float *buf5 = (float*)malloc(100);
|
|
//printf("totalMemory: %d bufs: %d,%d,%d,%d,%d\n", totalMemory, buf1, buf2, buf3, buf4, buf5);
|
|
assert((int)buf4 > (int)totalMemory && (int)buf5 > (int)totalMemory);
|
|
|
|
printf("*%s,%.3f*\n", buf1, buf2[0]); // the old heap data should still be there
|
|
|
|
memcpy(buf4, buf1, strlen(data1)+1);
|
|
memcpy(buf5, buf2, sizeof(float));
|
|
printf("*%s,%.3f*\n", buf4, buf5[0]); // and the new heap space should work too
|
|
|
|
return 0;
|
|
}
|