79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
// vim:fileencoding=utf-8:foldmethod=marker
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#include "mem_allocator.h"
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#include "../../../common/aliases/aliases.h"
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#include "../../../common/assert/assert.h"
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#include <stdlib.h>
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void *wpMemAllocatorAlloc(const WpAllocator *allocator, u64 size) {
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wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
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if (!wpMemAllocatorOpSupported(allocator, WP_MEM_OP_ALLOC)) {
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return NULL;
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}
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return allocator->alloc(size, allocator->obj);
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}
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void *wpMemAllocatorAllocAligned(const WpAllocator *allocator, u64 size, u64 alignment) {
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wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
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if (!wpMemAllocatorOpSupported(allocator, WP_MEM_OP_ALLOC_ALIGNED)) {
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return NULL;
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}
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return allocator->alloc_aligned(size, alignment, allocator->obj);
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}
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void *wpMemAllocatorRealloc(const WpAllocator *allocator, void *ptr, u64 old_size, u64 new_size) {
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wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
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if (!wpMemAllocatorOpSupported(allocator, WP_MEM_OP_REALLOC)) {
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return NULL;
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}
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return allocator->realloc(ptr, old_size, new_size, allocator->obj);
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}
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void *wpMemAllocatorReallocAligned(const WpAllocator *allocator, void *ptr, u64 old_size,
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u64 new_size, u64 alignment) {
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wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
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if (!wpMemAllocatorOpSupported(allocator, WP_MEM_OP_REALLOC_ALIGNED)) {
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return NULL;
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}
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return allocator->realloc_aligned(ptr, old_size, new_size, alignment, allocator->obj);
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}
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void wpMemAllocatorFree(const WpAllocator *allocator, void **ptr, u64 size) {
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wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
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if (!wpMemAllocatorOpSupported(allocator, WP_MEM_OP_FREE)) {
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return;
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}
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allocator->free(ptr, size, allocator->obj);
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}
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b8 wpMemAllocatorOpSupported(const WpAllocator *allocator, WpMemOp op) {
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wpDebugAssert(allocator != NULL, "`allocator` should not be NULL");
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switch (op) {
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case WP_MEM_OP_ALLOC:
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return allocator->alloc != NULL;
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case WP_MEM_OP_ALLOC_ALIGNED:
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return allocator->alloc_aligned != NULL;
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case WP_MEM_OP_REALLOC:
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return allocator->realloc != NULL;
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case WP_MEM_OP_REALLOC_ALIGNED:
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return allocator->realloc_aligned != NULL;
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case WP_MEM_OP_FREE:
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return allocator->free != NULL;
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default:
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break;
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}
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return false;
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}
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