LogCabin::Core::Util Namespace Reference

Classes
class	Finally
	Calls a function when this object goes out of scope. More...
class	ThreadInterruptedException
	The thread could not complete its task because it was asked to exit. More...
Functions
bool	isPowerOfTwo (uint64_t x)
	Return true if the log of x in base 2 is a whole number.
void *	memcpy (void *dest, std::initializer_list< std::pair< const void *, size_t >> src)
	Copy some noncontiguous chunks of data into a contiguous chunk.
template<typename Small , typename Large >
Small	downCast (const Large &large)
	Cast a bigger int down to a smaller one.

---

Function Documentation

bool LogCabin::Core::Util::isPowerOfTwo

(

uint64_t

x

)

Return true if the log of x in base 2 is a whole number.

Definition at line 25 of file Util.cc.

void * LogCabin::Core::Util::memcpy	(	void *	dest,
		std::initializer_list< std::pair< const void *, size_t >>	src
	)

Copy some noncontiguous chunks of data into a contiguous chunk.

Parameters:

dest	Where the new copy should be written.
src	A list of (pointer, length) pairs describing where to copy from.

Returns:

dest (as in memcpy).

Definition at line 34 of file Util.cc.

template<typename Small , typename Large >

Small LogCabin::Core::Util::downCast

(

const Large &

large

)

Cast a bigger int down to a smaller one.

Asserts that no precision is lost at runtime.

Definition at line 42 of file Util.h.