locale.subproj/isctype.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1989, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  * (c) UNIX System Laboratories, Inc.
  26  * All or some portions of this file are derived from material licensed
  27  * to the University of California by American Telephone and Telegraph
  28  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  29  * the permission of UNIX System Laboratories, Inc.
  30  *
  31  * This code is derived from software contributed to Berkeley by
  32  * Paul Borman at Krystal Technologies.
  33  *
  34  * Redistribution and use in source and binary forms, with or without
  35  * modification, are permitted provided that the following conditions
  36  * are met:
  37  * 1. Redistributions of source code must retain the above copyright
  38  *    notice, this list of conditions and the following disclaimer.
  39  * 2. Redistributions in binary form must reproduce the above copyright
  40  *    notice, this list of conditions and the following disclaimer in the
  41  *    documentation and/or other materials provided with the distribution.
  42  * 3. All advertising materials mentioning features or use of this software
  43  *    must display the following acknowledgement:
  44  *      This product includes software developed by the University of
  45  *      California, Berkeley and its contributors.
  46  * 4. Neither the name of the University nor the names of its contributors
  47  *    may be used to endorse or promote products derived from this software
  48  *    without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  60  * SUCH DAMAGE.
  61  */
  62
  63
  64 #define _ANSI_LIBRARY
  65 #include <ctype.h>
  66
  67 #undef isalnum
  68 int
  69 isalnum(c)
  70         int c;
  71 {
  72         return(__istype((c), (_A|_D)));
  73 }
  74
  75 #undef isalpha
  76 int
  77 isalpha(c)
  78         int c;
  79 {
  80         return (__istype((c), _A));
  81 }
  82
  83 #undef isascii
  84 int
  85 isascii(c)
  86         int c;
  87 {
  88         return((c & ~0x7F) == 0);
  89 }
  90
  91 #undef isblank
  92 int
  93 isblank(c)
  94         int c;
  95 {
  96         return (__istype((c), _B));
  97 }
  98
  99 #undef iscntrl
 100 int
 101 iscntrl(c)
 102         int c;
 103 {
 104         return (__istype((c), _C));
 105 }
 106
 107 #undef isdigit
 108 int
 109 isdigit(c)
 110         int c;
 111 {
 112         return (__isctype((c), _D));
 113 }
 114
 115 #undef isgraph
 116 int
 117 isgraph(c)
 118         int c;
 119 {
 120         return (__istype((c), _G));
 121 }
 122
 123 #undef islower
 124 int
 125 islower(c)
 126         int c;
 127 {
 128         return (__istype((c), _L));
 129 }
 130
 131 #undef isprint
 132 int
 133 isprint(c)
 134         int c;
 135 {
 136         return (__istype((c), _R));
 137 }
 138
 139 #undef ispunct
 140 int
 141 ispunct(c)
 142         int c;
 143 {
 144         return (__istype((c), _P));
 145 }
 146
 147 #undef isspace
 148 int
 149 isspace(c)
 150         int c;
 151 {
 152         return (__istype((c), _S));
 153 }
 154
 155 #undef isupper
 156 int
 157 isupper(c)
 158         int c;
 159 {
 160         return (__istype((c), _U));
 161 }
 162
 163 #undef isxdigit
 164 int
 165 isxdigit(c)
 166         int c;
 167 {
 168         return (__isctype((c), _X));
 169 }
 170
 171 #undef toascii
 172 int
 173 toascii(c)
 174         int c;
 175 {
 176         return (c & 0177);
 177 }
 178
 179 #undef tolower
 180 int
 181 tolower(c)
 182         int c;
 183 {
 184         return((c & _CRMASK) ? ___tolower(c) : _CurrentRuneLocale->maplower[c]);
 185 }
 186
 187 #undef toupper
 188 int
 189 toupper(c)
 190         int c;
 191 {
 192         return((c & _CRMASK) ? ___toupper(c) : _CurrentRuneLocale->mapupper[c]);
 193 }