1 /* Copyright (C) 1996-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <endian.h> 19 #include <string.h> 20 #include <wctype.h> 21 #include <locale/localeinfo.h> 22 23 wctype_t __wctype(const char * property)24__wctype (const char *property) 25 { 26 const char *names; 27 unsigned int result; 28 size_t proplen = strlen (property); 29 size_t i; 30 31 names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS_NAMES); 32 for (result = 0; ; result++) 33 { 34 size_t nameslen = strlen (names); 35 36 if (proplen == nameslen && memcmp (property, names, proplen) == 0) 37 break; 38 39 names += nameslen + 1; 40 if (names[0] == '\0') 41 return 0; 42 } 43 44 i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_CLASS_OFFSET) + result; 45 return (wctype_t) _NL_CURRENT_DATA (LC_CTYPE)->values[i].string; 46 } 47 weak_alias (__wctype, wctype) 48