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Lobo 2026-02-06 11:52:53 -03:00
parent 2ac2f85512
commit 90175b7e26
12 changed files with 300 additions and 77 deletions
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8
next/core/arena.c
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@ -16,11 +16,11 @@ void growl_arena_free(GrowlGCArena *arena) {
void *growl_arena_alloc(GrowlGCArena *arena, size_t size, size_t align,
size_t count) {
ptrdiff_t padding = -(uintptr_t)arena->start & (align - 1);
ptrdiff_t available = arena->end - arena->start - padding;
ptrdiff_t padding = -(uintptr_t)arena->free & (align - 1);
ptrdiff_t available = arena->end - arena->free - padding;
if (available < 0 || count > available / size)
abort();
void *p = arena->start + padding;
arena->start += padding + count * size;
void *p = arena->free + padding;
arena->free += padding + count * size;
return memset(p, 0, count * size);
}