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// RUN: %clangxx_scudo %s -lstdc++ -o %t
// RUN: %run %t ownership 2>&1
// RUN: %run %t ownership-and-size 2>&1
// RUN: %run %t heap-size 2>&1
// Tests that the sanitizer interface functions behave appropriately.
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <vector>
#include <sanitizer/allocator_interface.h>
int main(int argc, char **argv)
{
assert(argc == 2);
if (!strcmp(argv[1], "ownership")) {
// Ensures that __sanitizer_get_ownership can be called before any other
// allocator function, and that it behaves properly on a pointer not owned
// by us.
assert(!__sanitizer_get_ownership(argv));
}
if (!strcmp(argv[1], "ownership-and-size")) {
// Tests that __sanitizer_get_ownership and __sanitizer_get_allocated_size
// behave properly on chunks allocated by the Primary and Secondary.
void *p;
std::vector<ssize_t> sizes{1, 8, 16, 32, 1024, 32768,
1 << 16, 1 << 17, 1 << 20, 1 << 24};
for (size_t size : sizes) {
p = malloc(size);
assert(p);
assert(__sanitizer_get_ownership(p));
assert(__sanitizer_get_allocated_size(p) >= size);
free(p);
}
}
if (!strcmp(argv[1], "heap-size")) {
// Ensures that __sanitizer_get_heap_size can be called before any other
// allocator function.
assert(__sanitizer_get_heap_size() >= 0);
}
return 0;
}
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