/* $NetBSD: strpbrk.c,v 1.2 2018/02/04 01:13:45 mrg Exp $ */ /*- * Copyright (c) 2008 Joerg Sonnenberger * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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. */ #include __RCSID("$NetBSD: strpbrk.c,v 1.2 2018/02/04 01:13:45 mrg Exp $"); #if !defined(_KERNEL) && !defined(_STANDALONE) #include #include #include #include #else #include #endif #define FAST_STRPBRK 1 #define UC(a) ((unsigned int)(unsigned char)(a)) #ifdef FAST_STRPBRK #define ADD_NEW_TO_SET(i) (set[inv[i] = idx++] = (i)) #define IS_IN_SET(i) (inv[i] < idx && set[inv[i]] == (i)) #define ADD_TO_SET(i) (void)(IS_IN_SET(i) || /*LINTED no effect*/ADD_NEW_TO_SET(i)) #else #define IS_IN_SET(i) (set[(i) >> 3] & idx[(i) & 7]) #define ADD_TO_SET(i) (void)(set[(i) >> 3] |= idx[(i) & 7]) #endif char * strpbrk(const char *s, const char *charset) { #ifdef FAST_STRPBRK uint8_t set[256], inv[256], idx = 0; #else static const size_t idx[8] = { 1, 2, 4, 8, 16, 32, 64, 128 }; uint8_t set[32]; (void)memset(set, 0, sizeof(set)); #endif if (charset[0] == '\0') return NULL; if (charset[1] == '\0') return strchr(s, charset[0]); for (; *charset != '\0'; ++charset) ADD_TO_SET(UC(*charset)); for (; *s != '\0'; ++s) if (IS_IN_SET(UC(*s))) return __UNCONST(s); return NULL; } least ctype_bits.h, even when not providing the macros.joerg 2013-04-26Do not define the ctype(3) interface via macros for C++.joerg 2013-04-16Add isalpha_l and friends.joerg 2010-06-01more split ctype.h -> sys/ctype_inline.h, sys/ctype_bits.htnozaki 2010-05-221. hide _CTYPE_PRIVATE section in ctype.h, move them to private header ctype_...tnozaki 2005-12-26u_intN_t -> uintN_tperry 2005-04-15Replaced the macro name "notyet" with a 0. There's always the possibilityrillig 2005-02-03de-__P -- the hack is long since useless. Discussed with christos,perry 2004-11-05Remove the (int) cast from the array subscript of the ctype #defines.dsl 2003-10-22_ISO_C99_SOURCE -> _ISOC99_SOURCEkleink 2003-08-07Move UCB-licensed code from 4-clause to 3-clause licence.agc 2003-04-29Header file cleanup:bjh21 2003-04-28Add a new feature-test macro, _NETBSD_SOURCE. If this is definedbjh21