| /* |
| * 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. |
| * |
| * $PostgreSQL: pgsql/src/backend/regex/regfree.c,v 1.18 2003/11/29 19:51:55 pgsql Exp $ |
| * |
| * |
| * 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 "regex/regguts.h" |
| |
| |
| /* |
| * pg_regfree - free an RE (generic function, punts to RE-specific function) |
| * |
| * Ignoring invocation with NULL is a convenience. |
| */ |
| void |
| pg_regfree(regex_t *re) |
| { |
| if (re == NULL) |
| return; |
| (*((struct fns *) re->re_fns)->free) (re); |
| } |