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	dashley	64	/* $Header$ */
2	dashley	25	/*
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	dashley	67	/* End of regfree.c */