Libc-498.tar.gz

[apple/libc.git] / regex / regfree-fbsd.c

diff --git a/regex/regfree-fbsd.c b/regex/regfree-fbsd.c
new file mode 100644 (file)
index 0000000..d11060c
--- /dev/null
+++ b/regex/regfree-fbsd.c
@@ -0,0 +1,95 @@
+/*-
+ * Copyright (c) 1992, 1993, 1994 Henry Spencer.
+ * Copyright (c) 1992, 1993, 1994
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Henry Spencer.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
+ *
+ *     @(#)regfree.c   8.3 (Berkeley) 3/20/94
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)regfree.c  8.3 (Berkeley) 3/20/94";
+#endif /* LIBC_SCCS and not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/lib/libc/regex/regfree.c,v 1.6 2004/07/12 07:35:59 tjr Exp $");
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <regex.h>
+#include <wchar.h>
+#include <wctype.h>
+
+#include "utils.h"
+#include "regex2.h"
+
+/*
+ - regfree - free everything
+ = extern void regfree(regex_t *);
+ */
+void
+regfree(preg)
+regex_t *preg;
+{
+       struct re_guts *g;
+       int i;
+
+       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;
+       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) {
+               for (i = 0; i < g->ncsets; i++) {
+                       free(g->sets[i].ranges);
+                       free(g->sets[i].wides);
+                       free(g->sets[i].types);
+                       free(g->sets[i].equiv_classes);
+               }
+               free((char *)g->sets);
+       }
+       if (g->must != NULL)
+               free(g->must);
+       if (g->charjump != NULL)
+               free(&g->charjump[CHAR_MIN]);
+       if (g->matchjump != NULL)
+               free(g->matchjump);
+       free((char *)g);
+}