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Change to HeapAlloc et al on Windows

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gingerBill
2018-01-18 13:11:51 +00:00
parent add53228b2
commit 386f5f596d
3 changed files with 36 additions and 10 deletions
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35
src/common.cpp
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@@ -12,6 +12,21 @@
#include <math.h>
gb_inline i64 align_formula(i64 size, i64 align) {
if (align > 0) {
i64 result = size + align-1;
return result - result%align;
}
return size;
}
gb_inline isize align_formula_isize(isize size, isize align) {
if (align > 0) {
isize result = size + align-1;
return result - result%align;
}
return size;
}
GB_ALLOCATOR_PROC(heap_allocator_proc);
gbAllocator heap_allocator(void) {
@@ -26,13 +41,18 @@ GB_ALLOCATOR_PROC(heap_allocator_proc) {
void *ptr = NULL;
gb_unused(allocator_data);
gb_unused(old_size);
// TODO(bill): Throughly test!
switch (type) {
#if defined(GB_COMPILER_MSVC)
#if 0
case gbAllocation_Alloc:
ptr = _aligned_malloc(size, alignment);
if (flags & gbAllocatorFlag_ClearToZero)
if (flags & gbAllocatorFlag_ClearToZero) {
gb_zero_size(ptr, size);
}
break;
case gbAllocation_Free:
_aligned_free(old_memory);
@@ -40,6 +60,19 @@ GB_ALLOCATOR_PROC(heap_allocator_proc) {
case gbAllocation_Resize:
ptr = _aligned_realloc(old_memory, size, alignment);
break;
#else
case gbAllocation_Alloc:
// TODO(bill): Make sure this is aligned correctly
// ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, align_formula_isize(size, alignment));
ptr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, align_formula_isize(size, alignment));
break;
case gbAllocation_Free:
HeapFree(GetProcessHeap(), 0, old_memory);
break;
case gbAllocation_Resize:
ptr = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, old_memory, align_formula_isize(size, alignment));
break;
#endif
#elif defined(GB_SYSTEM_LINUX)
// TODO(bill): *nix version that's decent