1 /* 2 * Copyright (c) 1992, 1993, 1994 Henry Spencer. 3 * Copyright (c) 1992, 1993, 1994 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Henry Spencer. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 36 * Use is subject to license terms. 37 */ 38 39 #include "lint.h" 40 #include "file64.h" 41 #include <sys/types.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <limits.h> 45 #include <regex.h> 46 #include <wchar.h> 47 #include <wctype.h> 48 49 #include "utils.h" 50 #include "regex2.h" 51 52 /* 53 * regfree - free everything 54 */ 55 void 56 regfree(regex_t *preg) 57 { 58 struct re_guts *g; 59 int i; 60 61 #ifdef __lint 62 /* shut up lint! */ 63 CHIN(NULL, 0); 64 #endif 65 66 if (preg->re_magic != MAGIC1) /* oops */ 67 return; /* nice to complain, but hard */ 68 69 g = preg->re_g; 70 if (g == NULL || g->magic != MAGIC2) /* oops again */ 71 return; 72 preg->re_magic = 0; /* mark it invalid */ 73 g->magic = 0; /* mark it invalid */ 74 75 if (g->strip != NULL) 76 free((char *)g->strip); 77 if (g->sets != NULL) { 78 for (i = 0; i < g->ncsets; i++) { 79 free(g->sets[i].ranges); 80 free(g->sets[i].wides); 81 free(g->sets[i].types); 82 } 83 free((char *)g->sets); 84 } 85 if (g->must != NULL) 86 free(g->must); 87 if (g->charjump != NULL) 88 free(&g->charjump[CHAR_MIN]); 89 if (g->matchjump != NULL) 90 free(g->matchjump); 91 free((char *)g); 92 } 93