Graham MacDonald
27 lines
648 B
C
27 lines
648 B
C
#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "test_helpers.h"
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int main(void) {
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// sbrk report current brk
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void * current = sbrk(0);
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ERROR_IF(sbrk, current, == (void *)-1);
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// sbrk increment and report previous brk
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void * prev = current;
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current = sbrk(4096);
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ERROR_IF(sbrk, current, != prev);
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// sbrk report current break
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prev = current;
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current = sbrk(0);
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ERROR_IF(sbrk, current, != (void*)((uintptr_t)prev + 4096));
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// brk set break to new value
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int status = brk((void*)((uintptr_t)current + 4096));
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ERROR_IF(brk, status, == -1);
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UNEXP_IF(brk, status, != 0);
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}
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