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#include <stdio.h>
#include <winpr/crt.h>
#include <winpr/windows.h>
int TestAlignment(int argc, char* argv[])
{
void* ptr = NULL;
size_t alignment = 0;
size_t offset = 0;
WINPR_UNUSED(argc);
WINPR_UNUSED(argv);
/* Alignment should be 2^N where N is a positive integer */
alignment = 16;
offset = 8;
/* _aligned_malloc */
ptr = winpr_aligned_malloc(100, alignment);
if (ptr == NULL)
{
printf("Error allocating aligned memory.\n");
return -1;
}
if (((size_t)ptr % alignment) != 0)
{
printf("This pointer, %p, is not aligned on %" PRIuz "\n", ptr, alignment);
return -1;
}
/* _aligned_realloc */
ptr = winpr_aligned_realloc(ptr, 200, alignment);
if (((size_t)ptr % alignment) != 0)
{
printf("This pointer, %p, is not aligned on %" PRIuz "\n", ptr, alignment);
return -1;
}
winpr_aligned_free(ptr);
/* _aligned_offset_malloc */
ptr = winpr_aligned_offset_malloc(200, alignment, offset);
if (ptr == NULL)
{
printf("Error reallocating aligned offset memory.");
return -1;
}
if (((((size_t)ptr) + offset) % alignment) != 0)
{
printf("This pointer, %p, does not satisfy offset %" PRIuz " and alignment %" PRIuz "\n",
ptr, offset, alignment);
return -1;
}
/* _aligned_offset_realloc */
ptr = winpr_aligned_offset_realloc(ptr, 200, alignment, offset);
if (ptr == NULL)
{
printf("Error reallocating aligned offset memory.");
return -1;
}
if (((((size_t)ptr) + offset) % alignment) != 0)
{
printf("This pointer, %p, does not satisfy offset %" PRIuz " and alignment %" PRIuz "\n",
ptr, offset, alignment);
return -1;
}
/* _aligned_free works for both _aligned_malloc and _aligned_offset_malloc. free() should not be
* used. */
winpr_aligned_free(ptr);
return 0;
}
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