shared_source/c_tcl_base_7_5_w_mods/regfree.c

/* $Header$ */
/*
 * 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);
}

/* End of regfree.c */
1	/* $Header$ */
2	/*
3	* regfree - free an RE
4	*
5	* Copyright (c) 1998, 1999 Henry Spencer. All rights reserved.
6	*
7	* Development of this software was funded, in part, by Cray Research Inc.,
8	* UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
9	* Corporation, none of whom are responsible for the results. The author
10	* thanks all of them.
11	*
12	* Redistribution and use in source and binary forms -- with or without
13	* modification -- are permitted for any purpose, provided that
14	* redistributions in source form retain this entire copyright notice and
15	* indicate the origin and nature of any modifications.
16	*
17	* I'd appreciate being given credit for this package in the documentation
18	* of software which uses it, but that is not a requirement.
19	*
20	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
21	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
22	* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23	* HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30	*
31	*
32	*
33	* You might think that this could be incorporated into regcomp.c, and
34	* that would be a reasonable idea... except that this is a generic
35	* function (with a generic name), applicable to all compiled REs
36	* regardless of the size of their characters, whereas the stuff in
37	* regcomp.c gets compiled once per character size.
38	*/
39
40	#include "regguts.h"
41
42	/*
43	- regfree - free an RE (generic function, punts to RE-specific function)
44	*
45	* Ignoring invocation with NULL is a convenience.
46	*/
47	VOID
48	regfree(re)
49	regex_t *re;
50	{
51	if (re == NULL)
52	return;
53	(((struct fns )re->re_fns)->free)(re);
54	}
55
56	/* End of regfree.c */