Age         Owner                    Branch data    TLA  Line data    Source code

                                  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
 7739 tgl@sss.pgh.pa.us          49                 :CBC         648 : pg_regfree(regex_t *re)
                                 50                 :                : {
                                 51         [ -  + ]:            648 :     if (re == NULL)
10141 scrappy@hub.org            52                 :UBC           0 :         return;
 7559 bruce@momjian.us           53                 :CBC         648 :     (*((struct fns *) re->re_fns)->free) (re);
                                 54                 :                : }