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/*
* 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 = malloc(100);
char *data1 = "hello";
memcpy(buf1, data1, strlen(data1)+1);
float *buf2 = malloc(100);
float pie = 4.955;
memcpy(buf2, &pie, sizeof(float));
printf("*pre: %s,%.3f*\n", buf1, buf2[0]);
size_t totalMemory = (size_t)EM_ASM_PTR({ return HEAP8.length });
//printf("totalMemory: %zu, argc: %d\n", totalMemory, argc);
char *buf3 = malloc(totalMemory+1);
assert(buf3 && "fail to perform large allocation");
if (argc % 7 == 6) printf("%p\n", memcpy(buf3, buf1, argc));
char *buf4 = malloc(100);
float *buf5 = malloc(100);
//printf("totalMemory: %d bufs: %d,%d,%d,%d,%d\n", totalMemory, buf1, buf2, buf3, buf4, buf5);
assert((intptr_t)buf4 > (intptr_t)totalMemory && (intptr_t)buf5 > (intptr_t)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;
}
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