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Add some minor sanity checks to the compiler's heap_allocator_proc on Darwin

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gingerBill
2021-09-08 14:45:53 +01:00
parent 3aa2924a06
commit 76419383a8
2 changed files with 23 additions and 12 deletions
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23
src/common_memory.cpp
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@@ -379,10 +379,10 @@ GB_ALLOCATOR_PROC(heap_allocator_proc) {
break;
#else
// TODO(bill): *nix version that's decent
case gbAllocation_Alloc:
posix_memalign(&ptr, alignment, size);
case gbAllocation_Alloc: {
int err = posix_memalign(&ptr, alignment, size);
gb_zero_size(ptr, size);
break;
} break;
case gbAllocation_Free:
if (old_memory != nullptr) {
@@ -390,13 +390,16 @@ GB_ALLOCATOR_PROC(heap_allocator_proc) {
}
break;
case gbAllocation_Resize:
case gbAllocation_Resize: {
int err = 0;
if (size == 0) {
free(old_memory);
break;
}
if (old_memory == nullptr) {
posix_memalign(&ptr, alignment, size);
err = posix_memalign(&ptr, alignment, size);
GB_ASSERT_MSG(err == 0, "posix_memalign err: %d", err);
GB_ASSERT(ptr != nullptr);
gb_zero_size(ptr, size);
break;
}
@@ -405,10 +408,14 @@ GB_ALLOCATOR_PROC(heap_allocator_proc) {
break;
}
posix_memalign(&ptr, alignment, size);
err = posix_memalign(&ptr, alignment, size);
GB_ASSERT_MSG(err == 0, "posix_memalign err: %d", err);
GB_ASSERT(ptr != nullptr);
gb_memmove(ptr, old_memory, old_size);
gb_zero_size(cast(u8 *)ptr + old_size, gb_max(size-old_size, 0));
break;
free(old_memory);
isize n = gb_max(size-old_size, 0);
gb_zero_size(cast(u8 *)ptr + old_size, n);
} break;
#endif
case gbAllocation_FreeAll: