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@@ -0,0 +1,43 @@
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+
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+#include <unistd.h>
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+#include <stdlib.h>
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+#include <stdio.h>
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+
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+#define N_PTRS 1000
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+#define N_ALLOCS 10000
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+#define MAX_SIZE 0x10000
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+
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+#define random_size() (random()%MAX_SIZE)
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+#define random_ptr() (random()%N_PTRS)
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+
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+int main(int argc,char *argv[])
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+{
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+ void **ptrs;
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+ int i,j;
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+ int size;
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+
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+ srandom(0x19730929);
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+
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+ ptrs = malloc(N_PTRS*sizeof(void *));
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+
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+ for(i=0;i<N_PTRS;i++){
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+ ptrs[i]=malloc(random_size());
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+ }
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+ for(i=0;i<N_ALLOCS;i++){
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+ j=random_ptr();
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+ free(ptrs[j]);
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+
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+ size=random_size();
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+ ptrs[j]=malloc(size);
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+ if(!ptrs[j]){
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+ printf("malloc failed! %d\n",i);
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+ }
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+ memset(ptrs[j],0,size);
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+ }
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+ for(i=0;i<N_PTRS;i++){
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+ free(ptrs[i]);
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+ }
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+
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+ return 0;
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+}
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+
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