--- /dev/null
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ *
+ * Copyright © 2006 Pierre Habouzit
+ */
+/*
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <lib-lib/mem.h>
+#include <lib-lib/str.h>
+#include <lib-lib/rx.h>
+
+rx_t *rx_compile(const char *s, int flags)
+{
+ rx_t *pp = p_new(rx_t, 1);
+
+ pp->pattern = m_strdup(s);
+ pp->rx = p_new(regex_t, 1);
+
+ if (REGCOMP(pp->rx, NONULL(s), flags) != 0) {
+ rx_delete(&pp);
+ }
+
+ return pp;
+}
+
+void rx_delete(rx_t **p)
+{
+ p_delete(&(*p)->pattern);
+ regfree((*p)->rx);
+ p_delete(&(*p)->rx);
+ p_delete(p);
+}
+
+int rx_list_match(list2_t *l, const char *pat)
+{
+ int i;
+
+ if (!pat || !*pat || list_empty(l))
+ return 0;
+
+ for (i = 0; i < l->length; i++) {
+ if (!REGEXEC(((rx_t*)l->data[i])->rx, pat))
+ return 1;
+ }
+
+ return 0;
+}
+
+int rx_lookup (list2_t *l, const char *pat)
+{
+ int i;
+
+ if (!pat || !*pat || list_empty(l))
+ return -1;
+
+ for (i = 0; i < l->length; i++) {
+ if (!strcmp(((rx_t*)l->data[i])->pattern, pat))
+ return i;
+ }
+
+ return -1;
+}