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[Core] Fix case where there could be 64 extra bytes of padding between arrays in clays internal arena

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Nic Barker 2025-06-17 13:07:56 +10:00
parent b9e27178c0
commit c524485c46
1 changed files with 1 additions and 1 deletions
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clay.h
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@ -3819,7 +3819,7 @@ Clay__Warning *Clay__WarningArray_Add(Clay__WarningArray *array, Clay__Warning i
void* Clay__Array_Allocate_Arena(int32_t capacity, uint32_t itemSize, Clay_Arena *arena) void* Clay__Array_Allocate_Arena(int32_t capacity, uint32_t itemSize, Clay_Arena *arena)
{ {
size_t totalSizeBytes = capacity * itemSize; size_t totalSizeBytes = capacity * itemSize;
uintptr_t nextAllocOffset = arena->nextAllocation + (64 - (arena->nextAllocation % 64)); uintptr_t nextAllocOffset = arena->nextAllocation + ((64 - (arena->nextAllocation % 64)) & 63);
if (nextAllocOffset + totalSizeBytes <= arena->capacity) { if (nextAllocOffset + totalSizeBytes <= arena->capacity) {
arena->nextAllocation = nextAllocOffset + totalSizeBytes; arena->nextAllocation = nextAllocOffset + totalSizeBytes;
return (void*)((uintptr_t)arena->memory + (uintptr_t)nextAllocOffset); return (void*)((uintptr_t)arena->memory + (uintptr_t)nextAllocOffset);