utils.h File Reference

Utility. More...

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Functions
ORDO_PUBLIC int	ctcmp (const void *x, const void *y, size_t len)

Detailed Description

Utility.

This header contains utility functions, which are of use to developers who will use the library, for instance, constant-time comparisons, and so on.

Function Documentation

ORDO_PUBLIC int ctcmp	(	const void *	x,
		const void *	y,
		size_t	len
	)

Performs a constant-time comparison between two buffers.

Parameters

[in]	x	The 1st buffer.
[in]	y	The 2nd buffer.
[in]	len	Length in bytes.

Returns

Returns a positive value if the buffers match, 0 otherwise.

Warning

This function is for equality only, not ordering.