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3e01ac9b04
If user requests a size >= 65532, adding the heap admin size overflows size. Fixes #2358.
35 lines
871 B
C
35 lines
871 B
C
#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "unittest.h"
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TEST
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{
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char *buf, *buf2;
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unsigned int i;
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buf = malloc(0);
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ASSERT_IsTrue (buf == NULL, "malloc (0) returned something");
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for (i = 1; i < 10; i++) {
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buf = malloc(i);
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ASSERT_IsTrue (buf != NULL, "small returned nothing");
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}
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buf = malloc(4096);
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ASSERT_IsTrue (buf != NULL, "malloc (4096) returned nothing");
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buf = malloc(61000UL);
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ASSERT_IsTrue (buf == NULL, "malloc (61000) returned something");
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for (i = 65535UL; i > _heapmaxavail(); i--) {
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buf = malloc(i);
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ASSERT_IsTrue (buf == NULL, "malloc returned something but shouldn't have");
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}
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buf = malloc(i);
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ASSERT_IsTrue (buf != NULL, "malloc returned nothing but should have");
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ASSERT_IsTrue(_heapmaxavail() == 0, "heapmaxavail should be 0");
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}
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ENDTEST
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