From 46651ce6fe013220ed397add242004d764fc0153 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:15:05 +0200 Subject: Adding upstream version 14.5. Signed-off-by: Daniel Baumann --- src/backend/regex/regfree.c | 54 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 src/backend/regex/regfree.c (limited to 'src/backend/regex/regfree.c') diff --git a/src/backend/regex/regfree.c b/src/backend/regex/regfree.c new file mode 100644 index 0000000..ae17ae7 --- /dev/null +++ b/src/backend/regex/regfree.c @@ -0,0 +1,54 @@ +/* + * 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. + * + * src/backend/regex/regfree.c + * + * + * 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); +} -- cgit v1.2.3