Memory

Functions
void	mem_copy (void *dest, const void *source, size_t size)
void	mem_move (void *dest, const void *source, size_t size)
template<typename T>
void	mem_zero (T *block, size_t size)
int	mem_comp (const void *a, const void *b, size_t size)
bool	mem_has_null (const void *block, size_t size)
bool	mem_is_null (const void *block, size_t size)

Detailed Description

Memory management utilities.

Function Documentation

mem_comp()

int mem_comp	(	const void *	a,
		const void *	b,
		size_t	size )

Compares two blocks of memory of the same size, lexicographically.

Parameters

a	First block of data.
b	Second block of data.
size	Size of the data to compare.

Returns

< 0 if block a is less than block b.

0 if block a is equal to block b.

> 0 if block a is greater than block b.

mem_copy()

void mem_copy	(	void *	dest,
		const void *	source,
		size_t	size )

Copies a memory block.

Parameters

dest	Destination.
source	Source to copy.
size	Size of the block to copy.

Remarks

This functions DOES NOT handle cases where the source and destination overlap.

See also

mem_move

mem_has_null()

bool mem_has_null	(	const void *	block,
		size_t	size )

Checks whether a block of memory contains any null bytes.

Parameters

block	Pointer to the block to check for nulls.
size	Size of the block.

Returns

true if the block has a null byte, false otherwise.

mem_is_null()

bool mem_is_null	(	const void *	block,
		size_t	size )

Checks whether a block of memory contains exclusively null bytes.

Parameters

block	Pointer to the block to check for nulls.
size	Size of the block.

Returns

true if the block is all null bytes, false otherwise.

mem_move()

void mem_move	(	void *	dest,
		const void *	source,
		size_t	size )

Copies a memory block.

Parameters

dest	Destination.
source	Source to copy.
size	Size of the block to copy.

Remarks

This functions handles the cases where the source and destination overlap.

See also

mem_copy

mem_zero()

template<typename T>

void mem_zero ( T * block, size_t size )

inline

Sets a complete memory block to 0.

Parameters

block	Pointer to the block to zero out.
size	Size of the block.