ObjFW  Check-in [b46492384a]

		void *pool = objc_autoreleasePoolPush();
		const of_unichar_t *characters = string.characters;
		size_t length = string.length;

		for (size_t i = 0; i < length; i++) {
			of_unichar_t c = characters[i];

			if (c / 8 >= _size) {
			if (c / CHAR_BIT >= _size) {
				size_t newSize;

				if (UINT32_MAX - c < 1)
					@throw [OFOutOfRangeException
					    exception];

				newSize = OF_ROUND_UP_POW2(8, c + 1) / 8;
				newSize = OF_ROUND_UP_POW2(CHAR_BIT, c + 1) /
				    CHAR_BIT;

				_bitset = of_realloc(_bitset, newSize, 1);
				memset(_bitset + _size, '\0', newSize - _size);

				_size = newSize;
			}

	free(_bitset);

	[super dealloc];
}

- (bool)characterIsMember: (of_unichar_t)character
{
	if (character / 8 >= _size)
	if (character / CHAR_BIT >= _size)
		return false;

	return of_bitset_isset(_bitset, character);
}
@end

	munmap(pointer, numPages * pageSize);
}

static struct page *
addPage(bool allowPreallocated)
{
	size_t pageSize = [OFSystemInfo pageSize];
	size_t mapSize = OF_ROUND_UP_POW2(8, pageSize / CHUNK_SIZE) / 8;
	size_t mapSize = OF_ROUND_UP_POW2(CHAR_BIT, pageSize / CHUNK_SIZE) /
	    CHAR_BIT;
	struct page *page;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	struct page *lastPage;
# endif

	if (allowPreallocated) {
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)

}

static void
removePageIfEmpty(struct page *page)
{
	unsigned char *map = page->map;
	size_t pageSize = [OFSystemInfo pageSize];
	size_t mapSize = OF_ROUND_UP_POW2(8, pageSize / CHUNK_SIZE) / 8;
	size_t mapSize = OF_ROUND_UP_POW2(CHAR_BIT, pageSize / CHUNK_SIZE) /
	    CHAR_BIT;

	for (size_t i = 0; i < mapSize; i++)
		if (map[i] != 0)
			return;

	unmapPages(page->page, 1);
	free(page->map);

#ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif

#include <limits.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

		OF_HASH_ADD(hash, (otherCopy >>  8) & 0xFF);	\
		OF_HASH_ADD(hash, otherCopy & 0xFF);		\
	}

static OF_INLINE bool
of_bitset_isset(unsigned char *_Nonnull storage, size_t idx)
{
	return storage[idx / 8] & (1u << (idx % 8));
	return storage[idx / CHAR_BIT] & (1u << (idx % CHAR_BIT));
}

static OF_INLINE void
of_bitset_set(unsigned char *_Nonnull storage, size_t idx)
{
	storage[idx / 8] |= (1u << (idx % 8));
	storage[idx / CHAR_BIT] |= (1u << (idx % CHAR_BIT));
}

static OF_INLINE void
of_bitset_clear(unsigned char *_Nonnull storage, size_t idx)
{
	storage[idx / 8] &= ~(1u << (idx % 8));
	storage[idx / CHAR_BIT] &= ~(1u << (idx % CHAR_BIT));
}

static OF_INLINE char *_Nullable
of_strdup(const char *_Nonnull string)
{
	char *copy;
	size_t length = strlen(string);