DOKK / manpages / debian 13 / libzycore-doc / Bitset.h.3.en
include/Zycore/Bitset.h(3) Library Functions Manual include/Zycore/Bitset.h(3)

include/Zycore/Bitset.h

#include <Zycore/Allocator.h>
#include <Zycore/Status.h>
#include <Zycore/Types.h>
#include <Zycore/Vector.h>


struct ZyanBitset_


typedef struct ZyanBitset_ ZyanBitset
typedef ZyanStatus(* ZyanBitsetByteOperation) (ZyanU8 *v1, const ZyanU8 *v2)


ZYCORE_EXPORT ZYAN_REQUIRES_LIBC ZyanStatus ZyanBitsetInit (ZyanBitset *bitset, ZyanUSize count)
ZYCORE_EXPORT ZyanStatus ZyanBitsetInitEx (ZyanBitset *bitset, ZyanUSize count, ZyanAllocator *allocator, ZyanU8 growth_factor, ZyanU8 shrink_threshold)
ZYCORE_EXPORT ZyanStatus ZyanBitsetInitBuffer (ZyanBitset *bitset, ZyanUSize count, void *buffer, ZyanUSize capacity)
ZYCORE_EXPORT ZyanStatus ZyanBitsetDestroy (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetPerformByteOperation (ZyanBitset *destination, const ZyanBitset *source, ZyanBitsetByteOperation operation)
ZYCORE_EXPORT ZyanStatus ZyanBitsetAND (ZyanBitset *destination, const ZyanBitset *source)
ZYCORE_EXPORT ZyanStatus ZyanBitsetOR (ZyanBitset *destination, const ZyanBitset *source)
ZYCORE_EXPORT ZyanStatus ZyanBitsetXOR (ZyanBitset *destination, const ZyanBitset *source)
ZYCORE_EXPORT ZyanStatus ZyanBitsetFlip (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetSet (ZyanBitset *bitset, ZyanUSize index)
ZYCORE_EXPORT ZyanStatus ZyanBitsetReset (ZyanBitset *bitset, ZyanUSize index)
ZYCORE_EXPORT ZyanStatus ZyanBitsetAssign (ZyanBitset *bitset, ZyanUSize index, ZyanBool value)
ZYCORE_EXPORT ZyanStatus ZyanBitsetToggle (ZyanBitset *bitset, ZyanUSize index)
ZYCORE_EXPORT ZyanStatus ZyanBitsetTest (ZyanBitset *bitset, ZyanUSize index)
ZYCORE_EXPORT ZyanStatus ZyanBitsetTestMSB (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetTestLSB (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetSetAll (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetResetAll (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetPush (ZyanBitset *bitset, ZyanBool value)
ZYCORE_EXPORT ZyanStatus ZyanBitsetPop (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetClear (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetReserve (ZyanBitset *bitset, ZyanUSize count)
ZYCORE_EXPORT ZyanStatus ZyanBitsetShrinkToFit (ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetGetSize (const ZyanBitset *bitset, ZyanUSize *size)
ZYCORE_EXPORT ZyanStatus ZyanBitsetGetCapacity (const ZyanBitset *bitset, ZyanUSize *capacity)
ZYCORE_EXPORT ZyanStatus ZyanBitsetGetSizeBytes (const ZyanBitset *bitset, ZyanUSize *size)
ZYCORE_EXPORT ZyanStatus ZyanBitsetGetCapacityBytes (const ZyanBitset *bitset, ZyanUSize *capacity)
ZYCORE_EXPORT ZyanStatus ZyanBitsetCount (const ZyanBitset *bitset, ZyanUSize *count)
ZYCORE_EXPORT ZyanStatus ZyanBitsetAll (const ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetAny (const ZyanBitset *bitset)
ZYCORE_EXPORT ZyanStatus ZyanBitsetNone (const ZyanBitset *bitset)

Implements the bitset class.

Defines the ZyanVector struct.

All fields in this struct should be considered as 'private'. Any changes may lead to unexpected behavior.

Defines the ZyanBitsetByteOperation function prototype.

Parameters

v1 A pointer to the first byte. This value receives the result after performing the desired operation.
v2 A pointer to the second byte.

Returns

A zyan status code.

This function is used to perform byte-wise operations on two ZyanBitset instances.

ZYCORE_EXPORT ZyanStatus ZyanBitsetAll (const ZyanBitset * bitset)

Checks, if all bits of the given bitset are set.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

ZYAN_STATUS_TRUE, if all bits are set, ZYAN_STATUS_FALSE, if not. Another zyan status code, if an error occurred.

ZYCORE_EXPORT ZyanStatus ZyanBitsetAND (ZyanBitset * destination, const ZyanBitset * source)

Performs a logical AND operation on the given ZyanBitset instances.

Parameters

destination A pointer to the ZyanBitset instance that is used as the first input and as the destination.
source A pointer to the ZyanBitset instance that is used as the second input.

Returns

A zyan status code.

If the destination bitmask contains more bits than the source one, the state of the remaining bits will be undefined.

ZYCORE_EXPORT ZyanStatus ZyanBitsetAny (const ZyanBitset * bitset)

Checks, if at least one bit of the given bitset is set.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

ZYAN_STATUS_TRUE, if at least one bit is set, ZYAN_STATUS_FALSE, if not. Another zyan status code, if an error occurred.

ZYCORE_EXPORT ZyanStatus ZyanBitsetAssign (ZyanBitset * bitset, ZyanUSize index, ZyanBool value)

Sets the bit at index of the given ZyanBitset instance to the specified value.

Parameters

bitset A pointer to the ZyanBitset instance.
index The bit index.
value The new value.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetClear (ZyanBitset * bitset)

Deletes all bits of the given ZyanBitset instance.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetCount (const ZyanBitset * bitset, ZyanUSize * count)

Returns the amount of bits set in the given bitset.

Parameters

bitset A pointer to the ZyanBitset instance.
count Receives the amount of bits set in the given bitset.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetDestroy (ZyanBitset * bitset)

Destroys the given ZyanBitset instance.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetFlip (ZyanBitset * bitset)

Flips all bits of the given ZyanBitset instance.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetGetCapacity (const ZyanBitset * bitset, ZyanUSize * capacity)

Returns the current capacity of the bitset in bits.

Parameters

bitset A pointer to the ZyanBitset instance.
capacity Receives the size of the bitset in bits.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetGetCapacityBytes (const ZyanBitset * bitset, ZyanUSize * capacity)

Returns the current capacity of the bitset in bytes.

Parameters

bitset A pointer to the ZyanBitset instance.
capacity Receives the size of the bitset in bytes.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetGetSize (const ZyanBitset * bitset, ZyanUSize * size)

Returns the current size of the bitset in bits.

Parameters

bitset A pointer to the ZyanBitset instance.
size Receives the size of the bitset in bits.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetGetSizeBytes (const ZyanBitset * bitset, ZyanUSize * size)

Returns the current size of the bitset in bytes.

Parameters

bitset A pointer to the ZyanBitset instance.
size Receives the size of the bitset in bytes.

Returns

A zyan status code.

ZYCORE_EXPORT ZYAN_REQUIRES_LIBC ZyanStatus ZyanBitsetInit (ZyanBitset * bitset, ZyanUSize count)

Initializes the given ZyanBitset instance.

Parameters

bitset A pointer to the ZyanBitset instance.
count The initial amount of bits.

Returns

A zyan status code.

The space for the bitset is dynamically allocated by the default allocator using the default growth factor and the default shrink threshold.

ZYCORE_EXPORT ZyanStatus ZyanBitsetInitBuffer (ZyanBitset * bitset, ZyanUSize count, void * buffer, ZyanUSize capacity)

Initializes the given ZyanBitset instance and configures it to use a custom user defined buffer with a fixed size.

Parameters

bitset A pointer to the ZyanBitset instance.
count The initial amount of bits.
buffer A pointer to the buffer that is used as storage for the bits.
capacity The maximum capacity (number of bytes) of the buffer.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetInitEx (ZyanBitset * bitset, ZyanUSize count, ZyanAllocator * allocator, ZyanU8 growth_factor, ZyanU8 shrink_threshold)

Initializes the given ZyanBitset instance and sets a custom allocator and memory allocation/deallocation parameters.

Parameters

bitset A pointer to the ZyanBitset instance.
count The initial amount of bits.
allocator A pointer to a ZyanAllocator instance.
growth_factor The growth factor.
shrink_threshold The shrink threshold.

Returns

A zyan status code.

A growth factor of 1 disables overallocation and a shrink threshold of 0 disables dynamic shrinking.

ZYCORE_EXPORT ZyanStatus ZyanBitsetNone (const ZyanBitset * bitset)

Checks, if none bits of the given bitset are set.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

ZYAN_STATUS_TRUE, if none bits are set, ZYAN_STATUS_FALSE, if not. Another zyan status code, if an error occurred.

ZYCORE_EXPORT ZyanStatus ZyanBitsetOR (ZyanBitset * destination, const ZyanBitset * source)

Performs a logical OR operation on the given ZyanBitset instances.

Parameters

destination A pointer to the ZyanBitset instance that is used as the first input and as the destination.
source A pointer to the ZyanBitset instance that is used as the second input.

Returns

A zyan status code.

If the destination bitmask contains more bits than the source one, the state of the remaining bits will be undefined.

ZYCORE_EXPORT ZyanStatus ZyanBitsetPerformByteOperation (ZyanBitset * destination, const ZyanBitset * source, ZyanBitsetByteOperation operation)

Performs a byte-wise operation for every byte in the given ZyanBitset instances.

Parameters

destination A pointer to the ZyanBitset instance that is used as the first input and as the destination.
source A pointer to the ZyanBitset instance that is used as the second input.
operation A pointer to the function that performs the desired operation.

Returns

A zyan status code.

The operation callback is invoked once for every byte in the smallest of the ZyanBitset instances.

ZYCORE_EXPORT ZyanStatus ZyanBitsetPop (ZyanBitset * bitset)

Removes the last bit of the bitset.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetPush (ZyanBitset * bitset, ZyanBool value)

Adds a new bit at the end of the bitset.

Parameters

bitset A pointer to the ZyanBitset instance.
value The value of the new bit.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetReserve (ZyanBitset * bitset, ZyanUSize count)

Changes the capacity of the given ZyanBitset instance.

Parameters

bitset A pointer to the ZyanBitset instance.
count The new capacity (number of bits).

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetReset (ZyanBitset * bitset, ZyanUSize index)

Sets the bit at index of the given ZyanBitset instance to 0.

Parameters

bitset A pointer to the ZyanBitset instance.
index The bit index.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetResetAll (ZyanBitset * bitset)

Sets all bits of the given ZyanBitset instance to 0.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetSet (ZyanBitset * bitset, ZyanUSize index)

Sets the bit at index of the given ZyanBitset instance to 1.

Parameters

bitset A pointer to the ZyanBitset instance.
index The bit index.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetSetAll (ZyanBitset * bitset)

Sets all bits of the given ZyanBitset instance to 1.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetShrinkToFit (ZyanBitset * bitset)

Shrinks the capacity of the given bitset to match it's size.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetTest (ZyanBitset * bitset, ZyanUSize index)

Returns the value of the bit at index.

Parameters

bitset A pointer to the ZyanBitset instance.
index The bit index.

Returns

ZYAN_STATUS_TRUE, if the bit is set or ZYAN_STATUS_FALSE, if not, Another zyan status code, if an error occurred.

ZYCORE_EXPORT ZyanStatus ZyanBitsetTestLSB (ZyanBitset * bitset)

Returns the value of the least significant bit.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

ZYAN_STATUS_TRUE, if the bit is set or ZYAN_STATUS_FALSE, if not. Another zyan status code, if an error occurred.

ZYCORE_EXPORT ZyanStatus ZyanBitsetTestMSB (ZyanBitset * bitset)

Returns the value of the most significant bit.

Parameters

bitset A pointer to the ZyanBitset instance.

Returns

ZYAN_STATUS_TRUE, if the bit is set or ZYAN_STATUS_FALSE, if not. Another zyan status code, if an error occurred.

ZYCORE_EXPORT ZyanStatus ZyanBitsetToggle (ZyanBitset * bitset, ZyanUSize index)

Toggles the bit at index of the given ZyanBitset instance.

Parameters

bitset A pointer to the ZyanBitset instance.
index The bit index.

Returns

A zyan status code.

ZYCORE_EXPORT ZyanStatus ZyanBitsetXOR (ZyanBitset * destination, const ZyanBitset * source)

Performs a logical XOR operation on the given ZyanBitset instances.

Parameters

destination A pointer to the ZyanBitset instance that is used as the first input and as the destination.
source A pointer to the ZyanBitset instance that is used as the second input.

Returns

A zyan status code.

If the destination bitmask contains more bits than the source one, the state of the remaining bits will be undefined.

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