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#include <stdlib.h>
#include <roaring/memory.h>
// without the following, we get lots of warnings about posix_memalign
#ifndef __cplusplus
extern int posix_memalign(void** __memptr, size_t __alignment, size_t __size);
#endif //__cplusplus // C++ does not have a well defined signature
// portable version of posix_memalign
static void* roaring_bitmap_aligned_malloc(size_t alignment, size_t size) {
void* p;
#ifdef _MSC_VER
p = _aligned_malloc(size, alignment);
#elif defined(__MINGW32__) || defined(__MINGW64__)
p = __mingw_aligned_malloc(size, alignment);
#else
// somehow, if this is used before including "x86intrin.h", it creates an
// implicit defined warning.
if (posix_memalign(&p, alignment, size) != 0) return NULL;
#endif
return p;
}
static void roaring_bitmap_aligned_free(void* memblock) {
#ifdef _MSC_VER
_aligned_free(memblock);
#elif defined(__MINGW32__) || defined(__MINGW64__)
__mingw_aligned_free(memblock);
#else
free(memblock);
#endif
}
static roaring_memory_t global_memory_hook = {
.malloc = malloc,
.realloc = realloc,
.calloc = calloc,
.free = free,
.aligned_malloc = roaring_bitmap_aligned_malloc,
.aligned_free = roaring_bitmap_aligned_free,
};
void roaring_init_memory_hook(roaring_memory_t memory_hook) {
global_memory_hook = memory_hook;
}
void* roaring_malloc(size_t n) { return global_memory_hook.malloc(n); }
void* roaring_realloc(void* p, size_t new_sz) {
return global_memory_hook.realloc(p, new_sz);
}
void* roaring_calloc(size_t n_elements, size_t element_size) {
return global_memory_hook.calloc(n_elements, element_size);
}
void roaring_free(void* p) { global_memory_hook.free(p); }
void* roaring_aligned_malloc(size_t alignment, size_t size) {
return global_memory_hook.aligned_malloc(alignment, size);
}
void roaring_aligned_free(void* p) { global_memory_hook.aligned_free(p); }
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