ObjFW  Check-in [0c3c3b6efa]

	     OF_WEAK_UNAVAILABLE=				\
	     SIGHUP						\
	     SIGUSR1						\
	     SIGUSR2
MACRO_EXPANSION = YES
EXPAND_ONLY_PREDEF = YES
IGNORE_PREFIX = OF OF_ OT OT_
EXTRACT_STATIC = yes

	if (seconds == 0) {
		static OFOnceControl once = OFOnceControlInitValue;
		OFOnce(&once, initZeroDate);
		return (id)zeroDate;
	}

#if defined(OF_OBJFW_RUNTIME) && UINTPTR_MAX == UINT64_MAX
	value = OFFromBigEndian64(OFBitConvertDoubleToUInt64(
	    OFToBigEndianDouble(seconds)));

	/* Almost all dates fall into this range. */
	if (value & (UINT64_C(4) << 60)) {
		id ret = [OFTaggedPointerDate
		    dateWithUInt64TimeIntervalSince1970: value];

		if (ret != nil)

{
	unsigned long hash;

	OFHashInit(&hash);

	for (uint_fast8_t i = 0; i < 4; i++)
		for (uint_fast8_t j = 0; j < 4; j++)
			OFHashAddHash(&hash,
			    OFBitConvertFloatToUInt32(_values[i][j]));

	OFHashFinalize(&hash);

	return hash;
}

- (void)multiplyWithMatrix: (OFMatrix4x4 *)matrix

    const void *_Nonnull key, id _Nullable value,
    objc_associationPolicy policy);
extern id _Nullable objc_getAssociatedObject(id _Nonnull object,
    const void *_Nonnull key);
extern void objc_removeAssociatedObjects(id _Nonnull object);
# endif
#endif

/**
 * @brief Allocates a new object.
 *
 * This is useful to override @ref OFObject#alloc in a subclass that can then
 * allocate extra memory in the same memory allocation.
 *
 * @param class_ The class of which to allocate an object
 * @param extraSize Extra space after the ivars to allocate
 * @param extraAlignment Alignment of the extra space after the ivars
 * @param extra A pointer to set to a pointer to the extra space
 * @return The allocated object
 */
extern id OFAllocObject(Class class_, size_t extraSize, size_t extraAlignment,
    void *_Nullable *_Nullable extra);

/**
 * @brief This function is called when a method is not found.
 *
 * It can also be called intentionally to indicate that a method is not
 * implemetned, for example in an abstract method. However, instead of calling
 * OFMethodNotFound directly, it is preferred to do the following:
 *
 *     - (void)abstractMethod
 *     {
 *     	OF_UNRECOGNIZED_SELECTOR
 *     }
 *
 * However, do not use this for init methods. Instead, use the following:
 *
 *     - (instancetype)init
 *     {
 *     	OF_INVALID_INIT_METHOD
 *     }
 *
 * @param self The object which does not have the method
 * @param _cmd The selector of the method that does not exist
 */
extern void OF_NO_RETURN_FUNC OFMethodNotFound(id self, SEL _cmd);

/**
 * @brief Initializes the specified hash.
 *
 * @param hash A pointer to the hash to initialize
 */

    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No conditions available!
#endif

/* For OFTimeInterval */
#import "OFObject.h"
#import "OFPlainMutex.h"

/** @file */

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_cond_t OFPlainCondition;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef struct {

	} *waitingTasks;
} OFPlainCondition;
#endif

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Creates a new plain condition.
 *
 * A plain condition is similar to an @ref OFCondition, but does not use
 * exceptions and can be used from pure C code.
 *
 * @param condition A pointer to the condition to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionNew(OFPlainCondition *condition);

/**
 * @brief Signals the specified condition.
 *
 * @param condition A pointer to the condition to signal
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionSignal(OFPlainCondition *condition);

/**
 * @brief Broadcasts the specified condition, meaning it will be signaled to
 *	  everyone waiting.
 *
 * @param condition A pointer to the condition to broadcast
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionBroadcast(OFPlainCondition *condition);

/**
 * @brief Waits on the specified condition with the specified mutex.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionWait(OFPlainCondition *condition,
    OFPlainMutex *mutex);

/**
 * @brief Waits on the specified condition with the specified mutex with a
 *	  timeout.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @param timeout The timeout after which to give up
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionTimedWait(OFPlainCondition *condition,
    OFPlainMutex *mutex, OFTimeInterval timeout);

#if defined(OF_AMIGAOS) || defined(DOXYGEN)
/**
 * @brief Waits on the specified condition with the specified mutex or the
 *	  specified Exec signal.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @param signalMask The Exec signal mask to wait for
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionWaitOrExecSignal(OFPlainCondition *condition,
    OFPlainMutex *mutex, ULONG *signalMask);

/**
 * @brief Waits on the specified condition with the specified mutex or the
 *	  specified Exec signal, up until the timeout is reached.
 *
 * @param condition A pointer to the condition to wait on
 * @param mutex The mutex to wait with
 * @param signalMask The Exec signal mask to wait for
 * @param timeout The timeout after which to give up
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionTimedWaitOrExecSignal(OFPlainCondition *condition,
    OFPlainMutex *mutex, OFTimeInterval timeout, ULONG *signalMask);
#endif

/**
 * @brief Destroys the specified plain condition.
 *
 * @param condition A pointer to the condition to destroy
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainConditionFree(OFPlainCondition *condition);
#ifdef __cplusplus
}
#endif

#if !defined(OF_HAVE_THREADS) || \
    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No mutexes available!
#endif

#import "macros.h"

/** @file */

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_mutex_t OFPlainMutex;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef CRITICAL_SECTION OFPlainMutex;

	OFTLSKey count;
} OFPlainRecursiveMutex;
#endif

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Creates a new plain mutex.
 *
 * A plain mutex is similar to an @ref OFMutex, but does not use exceptions and
 * is just a lightweight wrapper around the system's mutex implementation.
 *
 * @param mutex A pointer to the mutex to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexNew(OFPlainMutex *mutex);

/**
 * @brief Locks the specified mutex.
 *
 * @param mutex A pointer to the mutex to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexLock(OFPlainMutex *mutex);

/**
 * @brief Tries to lock the specified mutex without blocking.
 *
 * @param mutex A pointer to the mutex to try to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexTryLock(OFPlainMutex *mutex);

/**
 * @brief Unlocks the specified mutex.
 *
 * @param mutex A pointer to the mutex to unlock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexUnlock(OFPlainMutex *mutex);

/**
 * @brief Destroys the specified mutex
 *
 * @param mutex A pointer to the mutex to destruct
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainMutexFree(OFPlainMutex *mutex);

/**
 * @brief Creates a new plain recursive mutex.
 *
 * A plain recursive mutex is similar to an @ref OFRecursiveMutex, but does not
 * use exceptions and is just a lightweight wrapper around the system's
 * recursive mutex implementation (or lacking that, a simple implementation of
 * recursive mutexes via regular mutexes).
 *
 * @param rmutex A pointer to the recursive mutex to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexNew(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Locks the specified recursive mutex.
 *
 * @param rmutex A pointer to the recursive mutex to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexLock(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Tries to lock the specified recursive mutex without blocking.
 *
 * @param rmutex A pointer to the recursive mutex to try to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexTryLock(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Unlocks the specified recursive mutex.
 *
 * @param rmutex A pointer to the recursive mutex to unlock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexUnlock(OFPlainRecursiveMutex *rmutex);

/**
 * @brief Destroys the specified recursive mutex
 *
 * @param rmutex A pointer to the recursive mutex to destruct
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainRecursiveMutexFree(OFPlainRecursiveMutex *rmutex);
#ifdef __cplusplus
}
#endif

/* Spinlocks are inlined for performance. */

/**
 * @brief Yield the current thread, indicating to the OS that another thread
 *	  should execute instead.
 */
static OF_INLINE void
OFYieldThread(void)
{
#if defined(OF_HAVE_SCHED_YIELD)
	sched_yield();
#elif defined(OF_WINDOWS)
	Sleep(0);
#endif
}

/**
 * @brief Creates a new spinlock.
 *
 * @param spinlock A pointer to the spinlock to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockNew(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	*spinlock = 0;
	return 0;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_init(spinlock, 0);
#else
	return OFPlainMutexNew(spinlock);
#endif
}

/**
 * @brief Tries to lock a spinlock.
 *
 * @param spinlock A pointer to the spinlock to try to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockTryLock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	if (OFAtomicIntCompareAndSwap(spinlock, 0, 1)) {
		OFAcquireMemoryBarrier();
		return 0;
	}

	return EBUSY;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_trylock(spinlock);
#else
	return OFPlainMutexTryLock(spinlock);
#endif
}

/**
 * @brief Locks a spinlock.
 *
 * @param spinlock A pointer to the spinlock to lock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockLock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	size_t i;

	for (i = 0; i < 10; i++)

#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_lock(spinlock);
#else
	return OFPlainMutexLock(spinlock);
#endif
}

/**
 * @brief Unlocks a spinlock.
 *
 * @param spinlock A pointer to the spinlock to unlock
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockUnlock(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	bool ret = OFAtomicIntCompareAndSwap(spinlock, 1, 0);

	OFReleaseMemoryBarrier();

	return (ret ? 0 : EINVAL);
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_unlock(spinlock);
#else
	return OFPlainMutexUnlock(spinlock);
#endif
}

/**
 * @brief Destroys a spinlock.
 *
 * @param spinlock A pointer to the spinlock to destroy
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
static OF_INLINE int
OFSpinlockFree(OFSpinlock *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
	return 0;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
	return pthread_spin_destroy(spinlock);
#else
	return OFPlainMutexFree(spinlock);
#endif
}

#if !defined(OF_HAVE_THREADS) || \
    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No threads available!
#endif

#import "OFObject.h"

/** @file */

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_t OFPlainThread;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef HANDLE OFPlainThread;

#endif

typedef struct {
	float priority;
	size_t stackSize;
} OFPlainThreadAttributes;

#if defined(OF_HAVE_PTHREADS) || defined(DOXYGEN)
/**
 * @brief Returns the current plain thread.
 *
 * @return The current plain thread
 */
static OF_INLINE OFPlainThread
OFCurrentPlainThread(void)
{
	return pthread_self();
}

/**
 * @brief Returns whether the specified plain thread is the current thread.
 *
 * @param thread The thread to check
 * @return Whether the specified plain thread is the current thread
 */
static OF_INLINE bool
OFPlainThreadIsCurrent(OFPlainThread thread)
{
	return pthread_equal(thread, pthread_self());
}
#elif defined(OF_WINDOWS)
static OF_INLINE OFPlainThread

extern OFPlainThread OFCurrentPlainThread(void);
extern bool OFPlainThreadIsCurrent(OFPlainThread);
#endif

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Initializes the specified thread attributes.
 *
 * @param attr A pointer to the thread attributes to initialize
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadAttributesInit(OFPlainThreadAttributes *attr);

/**
 * @brief Creates a new plain thread.
 *
 * A plain thread is similar to @ref OFThread, but does not use exceptions and
 * is just a lightweight wrapper around the system's thread implementation.
 *
 * @param thread A pointer to the thread to create
 * @param name A name for the thread
 * @param function The function the thread should execute
 * @param object The object to pass to the thread as an argument
 * @param attr Thread attributes
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadNew(OFPlainThread *thread, const char *name,
    void (*function)(id), id object, const OFPlainThreadAttributes *attr);

/**
 * @brief Sets the name of the current thread.
 *
 * @param name The name for the current thread
 */
extern void OFSetThreadName(const char *name);

/**
 * @brief Joins the specified thread.
 *
 * @param thread The thread to join
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadJoin(OFPlainThread thread);

/**
 * @brief Detaches the specified thread.
 *
 * @param thread The thread to detach
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFPlainThreadDetach(OFPlainThread thread);
#ifdef __cplusplus
}
#endif

 * @brief Returns the name of the specified OFStringEncoding.
 *
 * @param encoding The encoding for which to return the name
 * @return The name of the specified OFStringEncoding
 */
extern OFString *_Nullable OFStringEncodingName(OFStringEncoding encoding);

/**
 * @brief Returns the length of the specified UTF-16 string.
 *
 * @param string The UTF-16 string
 * @return The length of the specified UTF-16 string
 */
extern size_t OFUTF16StringLength(const OFChar16 *string);

/**
 * @brief Returns the length of the specified UTF-32 string.
 *
 * @param string The UTF-32 string
 * @return The length of the specified UTF-32 string
 */
extern size_t OFUTF32StringLength(const OFChar32 *string);

extern char *_Nullable _OFStrDup(const char *_Nonnull) OF_VISIBILITY_HIDDEN;
extern size_t _OFUTF8StringEncode(OFUnichar, char *) OF_VISIBILITY_HIDDEN;
extern ssize_t _OFUTF8StringDecode(const char *, size_t, OFUnichar *)
    OF_VISIBILITY_HIDDEN;


#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

#import "OFConstantString.h"

#if !defined(OF_HAVE_THREADS) || \
    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No thread-local storage available!
#endif

#import "macros.h"

/** @file */

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_key_t OFTLSKey;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef DWORD OFTLSKey;
#elif defined(OF_MORPHOS)
# include <proto/exec.h>
typedef ULONG OFTLSKey;
#elif defined(OF_AMIGAOS)
typedef struct _OFTLSKey {
	struct objc_hashtable *table;
	struct _OFTLSKey *next, *previous;
} *OFTLSKey;
#endif

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Creates a new Thread Local Storage key.
 *
 * @param key A pointer to the key to create
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFTLSKeyNew(OFTLSKey *key);

/**
 * @brief Destroys the specified Thread Local Storage key.
 *
 * @param key A pointer to the key to destroy
 * @return 0 on success, or an error number from `<errno.h>` on error
 */
extern int OFTLSKeyFree(OFTLSKey key);
#ifdef __cplusplus
}
#endif

/* TLS keys are inlined for performance. */

#if defined(OF_HAVE_PTHREADS) || defined(DOXYGEN)
/**
 * @brief Returns the current value for the specified Thread Local Storage key.
 *
 * @param key A pointer to the key whose value to return
 * @return The current value for the specified Thread Local Storage key
 */
static OF_INLINE void *
OFTLSKeyGet(OFTLSKey key)
{
	return pthread_getspecific(key);
}

/**
 * @brief Sets the current value for the specified Thread Local Storage key.
 *
 * @param key A pointer to the key whose value to set
 * @param value The new value for the key
 */
static OF_INLINE int
OFTLSKeySet(OFTLSKey key, void *value)
{
	return pthread_setspecific(key, value);
}
#elif defined(OF_WINDOWS)
static OF_INLINE void *
OFTLSKeyGet(OFTLSKey key)
{
	return TlsGetValue(key);
}

static OF_INLINE int
OFTLSKeySet(OFTLSKey key, void *value)
{
	return (TlsSetValue(key, value) ? 0 : EINVAL);
}
#elif defined(OF_MORPHOS)
static OF_INLINE void *
OFTLSKeyGet(OFTLSKey key)
{
	return (void *)TLSGetValue(key);
}

static OF_INLINE int
OFTLSKeySet(OFTLSKey key, void *value)
{
	return (TLSSetValue(key, (APTR)value) ? 0 : EINVAL);
}
#elif defined(OF_AMIGAOS)
/* Those are too big too inline. */
# ifdef __cplusplus
extern "C" {
# endif
extern void *OFTLSKeyGet(OFTLSKey key);
extern int OFTLSKeySet(OFTLSKey key, void *value);
# ifdef __cplusplus
}
# endif
#endif

- (OFTimeInterval)timeIntervalSince1970
{
	uint64_t value = (uint64_t)object_getTaggedPointerValue(self);

	value |= UINT64_C(4) << 60;

	return OFFromBigEndianDouble(OFBitConvertUInt64ToDouble(OFToBigEndian64(
	    value)));
}

OF_SINGLETON_METHODS
@end
#endif

#import "OFObject.h"

#ifdef OF_WINDOWS
# include <windows.h>
#endif

OF_ASSUME_NONNULL_BEGIN

/** @file */

@class OFArray OF_GENERIC(ObjectType);
@class OFString;
@class OFValue;

#define OFStackTraceSize 16

 */
- (nullable OFArray OF_GENERIC(OFString *) *)stackTraceSymbols;
@end

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Converts the specified error number (from `<errno.h>`) to a string.
 *
 * Unlike the system function `strerror`, this function is always thread-safe.
 *
 * As an addition, on Windows, it is also able to convert socket error numbers
 * to string.
 *
 * @param errNo The error number to convert to a string
 * @return A string describing the error
 */
extern OFString *OFStrError(int errNo);

#ifdef OF_WINDOWS
extern OFString *_OFWindowsStatusToString(LSTATUS status) OF_VISIBILITY_HIDDEN;
#endif
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

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

#include <sys/time.h>

/** @file */

#include "platform.h"

#ifdef OF_OBJFW_RUNTIME
# ifdef OF_COMPILING_OBJFW
#  include "ObjFWRT.h"
# else

	i = (uint64_t)_OFByteSwap32NonConst(
	    (uint32_t)(i & UINT32_C(0xFFFFFFFF))) << 32 |
	    _OFByteSwap32NonConst((uint32_t)(i >> 32));
#endif
	return i;
}

#if defined(__GNUC__) || defined(DOXYGEN)
/**
 * @brief Byte swaps the specified 16 bit integer.
 *
 * @param i The integer to byte swap
 * @return The byte swapped integer
 */
# define OFByteSwap16(i) \
    (__builtin_constant_p(i) ? _OFByteSwap16Const(i) : _OFByteSwap16NonConst(i))

/**
 * @brief Byte swaps the specified 32 bit integer.
 *
 * @param i The integer to byte swap
 * @return The byte swapped integer
 */
# define OFByteSwap32(i) \
    (__builtin_constant_p(i) ? _OFByteSwap32Const(i) : _OFByteSwap32NonConst(i))

/**
 * @brief Byte swaps the specified 64 bit integer.
 *
 * @param i The integer to byte swap
 * @return The byte swapped integer
 */
# define OFByteSwap64(i) \
    (__builtin_constant_p(i) ? _OFByteSwap64Const(i) : _OFByteSwap64NonConst(i))
#else
# define OFByteSwap16(i) _OFByteSwap16Const(i)
# define OFByteSwap32(i) _OFByteSwap32Const(i)
# define OFByteSwap64(i) _OFByteSwap64Const(i)
#endif

/**
 * @brief Bit-converts the specified float to a uint32_t.
 *
 * @param f The float to bit-convert
 * @return The float bit-converted to a uint32_t
 */
static OF_INLINE uint32_t OF_CONST_FUNC
OFBitConvertFloatToUInt32(float f)
{
	uint32_t ret;
	memcpy(&ret, &f, 4);
	return ret;
}

/**
 * @brief Bit-converts the specified uint32_t to a float.
 *
 * @param uInt32 The uint32_t to bit-convert
 * @return The uint32_t bit-converted to a float
 */
static OF_INLINE float OF_CONST_FUNC
OFBitConvertUInt32ToFloat(uint32_t uInt32)
{
	float ret;
	memcpy(&ret, &uInt32, 4);
	return ret;
}

/**
 * @brief Bit-converts the specified double to a uint64_t.
 *
 * @param d The double to bit-convert
 * @return The double bit-converted to a uint64_t
 */
static OF_INLINE uint64_t OF_CONST_FUNC
OFBitConvertDoubleToUInt64(double d)
{
	uint64_t ret;
	memcpy(&ret, &d, 8);
	return ret;
}

/**
 * @brief Bit-converts the specified uint64_t to a double.
 *
 * @param uInt64 The uint64_t to bit-convert
 * @return The uint64_t bit-converted to a double
 */
static OF_INLINE double OF_CONST_FUNC
OFBitConvertUInt64ToDouble(uint64_t uInt64)
{
	double ret;
	memcpy(&ret, &uInt64, 8);
	return ret;
}

/**
 * @brief Byte swaps the specified float.
 *
 * @param f The float to byte swap
 * @return The byte swapped float
 */
static OF_INLINE float OF_CONST_FUNC
OFByteSwapFloat(float f)
{
	return OFBitConvertUInt32ToFloat(OFByteSwap32(
	    OFBitConvertFloatToUInt32(f)));
}

/**
 * @brief Byte swaps the specified double.
 *
 * @param d The double to byte swap
 * @return The byte swapped double
 */
static OF_INLINE double OF_CONST_FUNC
OFByteSwapDouble(double d)
{
	return OFBitConvertUInt64ToDouble(OFByteSwap64(
	    OFBitConvertDoubleToUInt64(d)));
}

#if defined(OF_BIG_ENDIAN) || defined(DOXYGEN)
/**
 * @brief Converts the specified 16 bit integer from big endian to native
 *	  endian.
 *
 * @param i The 16 bit integer to convert
 * @return The 16 bit integer converted to native endian
 */
# define OFFromBigEndian16(i) (i)

/**
 * @brief Converts the specified 32 bit integer from big endian to native
 *	  endian.
 *
 * @param i The 32 bit integer to convert
 * @return The 32 bit integer converted to native endian
 */
# define OFFromBigEndian32(i) (i)

/**
 * @brief Converts the specified 64 bit integer from big endian to native
 *	  endian.
 *
 * @param i The 64 bit integer to convert
 * @return The 64 bit integer converted to native endian
 */
# define OFFromBigEndian64(i) (i)

/**
 * @brief Converts the specified 16 bit integer from little endian to native
 *	  endian.
 *
 * @param i The 16 bit integer to convert
 * @return The 16 bit integer converted to native endian
 */
# define OFFromLittleEndian16(i) OFByteSwap16(i)

/**
 * @brief Converts the specified 32 bit integer from little endian to native
 *	  endian.
 *
 * @param i The 32 bit integer to convert
 * @return The 32 bit integer converted to native endian
 */
# define OFFromLittleEndian32(i) OFByteSwap32(i)

/**
 * @brief Converts the specified 64 bit integer from little endian to native
 *	  endian.
 *
 * @param i The 64 bit integer to convert
 * @return The 64 bit integer converted to native endian
 */
# define OFFromLittleEndian64(i) OFByteSwap64(i)

/**
 * @brief Converts the specified 16 bit integer from native endian to big
 *	  endian.
 *
 * @param i The 16 bit integer to convert
 * @return The 16 bit integer converted to big endian
 */
# define OFToBigEndian16(i) (i)

/**
 * @brief Converts the specified 32 bit integer from native endian to big
 *	  endian.
 *
 * @param i The 32 bit integer to convert
 * @return The 32 bit integer converted to big endian
 */
# define OFToBigEndian32(i) (i)

/**
 * @brief Converts the specified 64 bit integer from native endian to big
 *	  endian.
 *
 * @param i The 64 bit integer to convert
 * @return The 64 bit integer converted to big endian
 */
# define OFToBigEndian64(i) (i)

/**
 * @brief Converts the specified 16 bit integer from native endian to little
 *	  endian.
 *
 * @param i The 16 bit integer to convert
 * @return The 16 bit integer converted to little endian
 */
# define OFToLittleEndian16(i) OFByteSwap16(i)

/**
 * @brief Converts the specified 32 bit integer from native endian to little
 *	  endian.
 *
 * @param i The 32 bit integer to convert
 * @return The 32 bit integer converted to little endian
 */
# define OFToLittleEndian32(i) OFByteSwap32(i)

/**
 * @brief Converts the specified 64 bit integer from native endian to little
 *	  endian.
 *
 * @param i The 64 bit integer to convert
 * @return The 64 bit integer converted to little endian
 */
# define OFToLittleEndian64(i) OFByteSwap64(i)
#else
# define OFFromBigEndian16(i) OFByteSwap16(i)
# define OFFromBigEndian32(i) OFByteSwap32(i)
# define OFFromBigEndian64(i) OFByteSwap64(i)
# define OFFromLittleEndian16(i) (i)
# define OFFromLittleEndian32(i) (i)
# define OFFromLittleEndian64(i) (i)
# define OFToBigEndian16(i) OFByteSwap16(i)
# define OFToBigEndian32(i) OFByteSwap32(i)
# define OFToBigEndian64(i) OFByteSwap64(i)
# define OFToLittleEndian16(i) (i)
# define OFToLittleEndian32(i) (i)
# define OFToLittleEndian64(i) (i)
#endif

#if defined(OF_FLOAT_BIG_ENDIAN) || defined(DOXYGEN)
/**
 * @brief Converts the specified float from big endian to native endian.
 *
 * @param f The float to convert
 * @return The float converted to native endian
 */
# define OFFromBigEndianFloat(f) (f)

/**
 * @brief Converts the specified double from big endian to native endian.
 *
 * @param d The double to convert
 * @return The double converted to native endian
 */
# define OFFromBigEndianDouble(d) (d)

/**
 * @brief Converts the specified float from little endian to native endian.
 *
 * @param f The float to convert
 * @return The float converted to native endian
 */
# define OFFromLittleEndianFloat(f) OFByteSwapFloat(f)

/**
 * @brief Converts the specified double from little endian to native endian.
 *
 * @param d The double to convert
 * @return The double converted to native endian
 */
# define OFFromLittleEndianDouble(d) OFByteSwapDouble(d)

/**
 * @brief Converts the specified float from native endian to big endian.
 *
 * @param f The float to convert
 * @return The float converted to big endian
 */
# define OFToBigEndianFloat(f) (f)

/**
 * @brief Converts the specified double from native endian to big endian.
 *
 * @param d The double to convert
 * @return The double converted to big endian
 */
# define OFToBigEndianDouble(d) (d)

/**
 * @brief Converts the specified float from native endian to little endian.
 *
 * @param f The float to convert
 * @return The float converted to little endian
 */
# define OFToLittleEndianFloat(f) OFByteSwapFloat(f)

/**
 * @brief Converts the specified double from native endian to little endian.
 *
 * @param d The double to convert
 * @return The double converted to little endian
 */
# define OFToLittleEndianDouble(d) OFByteSwapDouble(d)
#else
# define OFFromBigEndianFloat(f) OFByteSwapFloat(f)
# define OFFromBigEndianDouble(d) OFByteSwapDouble(d)
# define OFFromLittleEndianFloat(f) (f)
# define OFFromLittleEndianDouble(d) (d)
# define OFToBigEndianFloat(f) OFByteSwapFloat(f)
# define OFToBigEndianDouble(d) OFByteSwapDouble(d)
# define OFToLittleEndianFloat(f) (f)
# define OFToLittleEndianDouble(d) (d)
#endif

/**
 * @brief Rotates the specified value left by the specified amount of bits.
 *
 * @param value The value to rotate
 * @param bits The number of bits to rotate left the value by
 * @return The value rotated left by the specified amount of bits
 */
#define OFRotateLeft(value, bits)					\
    (((bits) % (sizeof(value) * 8)) > 0					\
    ? ((value) << ((bits) % (sizeof(value) * 8))) |			\
    ((value) >> (sizeof(value) * 8 - ((bits) % (sizeof(value) * 8))))	\
    : (value))

/**
 * @brief Rotates the specified value right by the specified amount of bits.
 *
 * @param value The value to rotate
 * @param bits The number of bits to rotate right the value by
 * @return The value rotated right by the specified amount of bits
 */
#define OFRotateRight(value, bits)					\
    (((bits) % (sizeof(value) * 8)) > 0					\
    ? ((value) >> ((bits) % (sizeof(value) * 8))) |			\
    ((value) << (sizeof(value) * 8 - ((bits) % (sizeof(value) * 8))))	\
    : (value))

/**
 * @brief Rounds up the specified value to the specified power of two.
 *
 * @param pow2 The power of 2 to round up to
 * @param value The value to round up to the specified power of two
 * @return The specified value rounded up to the specified power of two
 */
#define OFRoundUpToPowerOf2(pow2, value)	\
    (((value) + (pow2) - 1) & ~((pow2) - 1))

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