/*

 * regfree - free an RE

 *

 * Copyright (c) 1998, 1999 Henry Spencer.  All rights reserved.

 * 

 * Development of this software was funded, in part, by Cray Research Inc.,

 * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics

 * Corporation, none of whom are responsible for the results.  The author

 * thanks all of them. 

 * 

 * Redistribution and use in source and binary forms -- with or without

 * modification -- are permitted for any purpose, provided that

 * redistributions in source form retain this entire copyright notice and

 * indicate the origin and nature of any modifications.

 * 

 * I'd appreciate being given credit for this package in the documentation

 * of software which uses it, but that is not a requirement.

 * 

 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,

 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL

 * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 *

 *

 * You might think that this could be incorporated into regcomp.c, and

 * that would be a reasonable idea... except that this is a generic

 * function (with a generic name), applicable to all compiled REs

 * regardless of the size of their characters, whereas the stuff in

 * regcomp.c gets compiled once per character size.

 */

#include "regguts.h"

/*

 - regfree - free an RE (generic function, punts to RE-specific function)

 *

 * Ignoring invocation with NULL is a convenience.

 */

VOID

regfree(re)

regex_t *re;

{

	if (re == NULL)

		return;

	(*((struct fns *)re->re_fns)->free)(re);

}