kdbmacros.h File Reference

Macros by Elektra. More...

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Macros
#define	ELEKTRA_QUOTE(x)   #x
	Surround a value with double quotes.
#define	ELEKTRA_STRINGIFY(x)   ELEKTRA_QUOTE (x)
	Surround a macro value with double quotes.
#define	ELEKTRA_CONCAT2(X, Y)   X##Y
	Concat two values.
#define	ELEKTRA_CONCAT(X, Y)   ELEKTRA_CONCAT2 (X, Y)
	Concat two macro values
#define	ELEKTRA_SET_ERROR_READ_ONLY(info, returned, error)
	Sets error if info != returned. More...
#define	ELEKTRA_SYMVER(sym, impl)   sym##_##impl
	Helper macro to create a versioned name of a symbol. More...
#define	ELEKTRA_SYMVER_DECLARE(ver, sym, impl)   ELEKTRA_SYMVER_COMMAND (ELEKTRA_STRINGIFY (ELEKTRA_SYMVER (sym, impl)), #sym "@" ver)
	Declares another version of a symbol using the .symver assembler pseudo command. More...

Detailed Description

Macros by Elektra.

Macros start with ELEKTRA_ and are uppercase.

Copyright

BSD License (see LICENSE.md or https://www.libelektra.org)

Macro Definition Documentation

ELEKTRA_SET_ERROR_READ_ONLY

#define ELEKTRA_SET_ERROR_READ_ONLY	(		info,
			returned,
			error
	)

Sets error if info != returned.

Parameters

info	how the info is now (freshly received)
returned	how the info passed from user is
error	key to set error to

Returns

with -1 on error

ELEKTRA_SYMVER

#define ELEKTRA_SYMVER	(		sym,
			impl
	)		sym##_##impl

Helper macro to create a versioned name of a symbol.

Parameters

sym	unversioned name of the symbol
impl	version suffix

ELEKTRA_SYMVER_DECLARE

#define ELEKTRA_SYMVER_DECLARE	(		ver,
			sym,
			impl
	)		ELEKTRA_SYMVER_COMMAND (ELEKTRA_STRINGIFY (ELEKTRA_SYMVER (sym, impl)), #sym "@" ver)

Declares another version of a symbol using the .symver assembler pseudo command.

Parameters

ver	the version name as declared versions.def
sym	the unversioned name of the symbol
impl	the version suffix to use for this version