1 /* $NetBSD: regex.h,v 1.1.1.3 2014/12/10 03:34:44 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC") 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 11 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 12 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 13 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 14 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 15 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef ISC_REGEX_H 20 #define ISC_REGEX_H 1 21 22 /*! \file isc/regex.h */ 23 24 #include <isc/types.h> 25 #include <isc/lang.h> 26 27 ISC_LANG_BEGINDECLS 28 29 int 30 isc_regex_validate(const char *expression); 31 /*%< 32 * Check a regular expression for syntactic correctness. 33 * 34 * Returns: 35 *\li -1 on error. 36 *\li the number of groups in the expression. 37 */ 38 39 ISC_LANG_ENDDECLS 40 41 #endif /* ISC_REGEX_H */ 42