/src/postgres/src/backend/regex/regfree.c
Line | Count | Source |
1 | | /* |
2 | | * regfree - free an RE |
3 | | * |
4 | | * Copyright (c) 1998, 1999 Henry Spencer. All rights reserved. |
5 | | * |
6 | | * Development of this software was funded, in part, by Cray Research Inc., |
7 | | * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics |
8 | | * Corporation, none of whom are responsible for the results. The author |
9 | | * thanks all of them. |
10 | | * |
11 | | * Redistribution and use in source and binary forms -- with or without |
12 | | * modification -- are permitted for any purpose, provided that |
13 | | * redistributions in source form retain this entire copyright notice and |
14 | | * indicate the origin and nature of any modifications. |
15 | | * |
16 | | * I'd appreciate being given credit for this package in the documentation |
17 | | * of software which uses it, but that is not a requirement. |
18 | | * |
19 | | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
20 | | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
21 | | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
22 | | * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
23 | | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
24 | | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
25 | | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
26 | | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
27 | | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
28 | | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | | * |
30 | | * src/backend/regex/regfree.c |
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 "regex/regguts.h" |
41 | | |
42 | | |
43 | | /* |
44 | | * pg_regfree - free an RE (generic function, punts to RE-specific function) |
45 | | * |
46 | | * Ignoring invocation with NULL is a convenience. |
47 | | */ |
48 | | void |
49 | | pg_regfree(regex_t *re) |
50 | 0 | { |
51 | 0 | if (re == NULL) |
52 | 0 | return; |
53 | 0 | (*((struct fns *) re->re_fns)->free) (re); |
54 | 0 | } |