llvm-project/compiler-rt/test/scudo/malloc.cpp

37 lines
860 B
C++

// RUN: %clangxx_scudo %s -lstdc++ -o %t
// RUN: %run %t 2>&1
// Tests that a regular workflow of allocation, memory fill and free works as
// intended. Tests various sizes serviced by the primary and secondary
// allocators.
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
int main(int argc, char **argv) {
void *p;
std::vector<ssize_t> sizes{1, 8, 16, 32, 1024, 32768,
1 << 16, 1 << 17, 1 << 20, 1 << 24};
std::vector<int> offsets{1, 0, -1, -7, -8, -15, -16, -31, -32};
p = malloc(0);
assert(p);
free(p);
for (ssize_t size : sizes) {
for (int offset : offsets) {
ssize_t actual_size = size + offset;
if (actual_size <= 0)
continue;
p = malloc(actual_size);
assert(p);
memset(p, 0xff, actual_size);
free(p);
}
}
return 0;
}