X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/294645ebe84bd7004a526e74bd47addd72a1222e..a92b0cfd2bd0bef75b43c071df0b0e028f360d8e:/src/regex/regfree.c?ds=inline diff --git a/src/regex/regfree.c b/src/regex/regfree.c index 17a73896f5..9c1488ab23 100644 --- a/src/regex/regfree.c +++ b/src/regex/regfree.c @@ -1,53 +1,37 @@ -/* - * 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 +#include +#include +#include "regex.h" -#include "regguts.h" +#include "utils.h" +#include "regex2.h" /* - - regfree - free an RE (generic function, punts to RE-specific function) - * - * Ignoring invocation with NULL is a convenience. + - regfree - free everything + = extern void regfree(regex_t *); */ -VOID -regfree(re) -regex_t *re; +void +regfree(preg) +regex_t *preg; { - if (re == NULL) + register struct re_guts *g; + + if (preg->re_magic != MAGIC1) /* oops */ + return; /* nice to complain, but hard */ + + g = preg->re_g; + if (g == NULL || g->magic != MAGIC2) /* oops again */ return; - (*((struct fns *)re->re_fns)->free)(re); + preg->re_magic = 0; /* mark it invalid */ + g->magic = 0; /* mark it invalid */ + + if (g->strip != NULL) + free((char *)g->strip); + if (g->sets != NULL) + free((char *)g->sets); + if (g->setbits != NULL) + free((char *)g->setbits); + if (g->must != NULL) + free(g->must); + free((char *)g); }