lib/libc/gen/isctype.c

   1 /* $NetBSD: isctype.c,v 1.25 2013/08/19 22:43:28 joerg Exp $ */
   2
   3 /*-
   4  * Copyright (c)2008 Citrus Project,
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 #if defined(LIBC_SCCS) && !defined(lint)
  31 __RCSID("$NetBSD: isctype.c,v 1.25 2013/08/19 22:43:28 joerg Exp $");
  32 #endif /* LIBC_SCCS and not lint */
  33
  34 #include "namespace.h"
  35 #include <sys/types.h>
  36 #include <sys/ctype_bits.h>
  37 #define _CTYPE_NOINLINE
  38 #include <ctype.h>
  39 #include <langinfo.h>
  40 #define __SETLOCALE_SOURCE__
  41 #include <locale.h>
  42 #include <stdio.h>
  43 #if EOF != -1
  44 #error "EOF != -1"
  45 #endif
  46
  47 #include "runetype_local.h"
  48 #include "setlocale_local.h"
  49
  50 #define _RUNE_LOCALE(loc) \
  51     ((_RuneLocale *)((loc)->part_impl[(size_t)LC_CTYPE]))
  52
  53 #define _ISCTYPE_FUNC(name, bit) \
  54 int \
  55 is##name(int c) \
  56 { \
  57         return (int)_ctype_tab_[c + 1] & (bit); \
  58 } \
  59 int \
  60 is##name ## _l(int c, locale_t loc) \
  61 { \
  62         return (int)((_RUNE_LOCALE(loc)->rl_ctype_tab[c + 1]) & (bit)); \
  63 }
  64
  65 _ISCTYPE_FUNC(alnum, (_CTYPE_A|_CTYPE_D))
  66 _ISCTYPE_FUNC(alpha,  _CTYPE_A)
  67 _ISCTYPE_FUNC(blank,  _CTYPE_BL)
  68 _ISCTYPE_FUNC(cntrl,  _CTYPE_C            )
  69 _ISCTYPE_FUNC(digit,  _CTYPE_D)
  70 _ISCTYPE_FUNC(graph,  _CTYPE_G)
  71 _ISCTYPE_FUNC(lower,  _CTYPE_L            )
  72 _ISCTYPE_FUNC(print,  _CTYPE_R)
  73 _ISCTYPE_FUNC(punct,  _CTYPE_P            )
  74 _ISCTYPE_FUNC(space,  _CTYPE_S            )
  75 _ISCTYPE_FUNC(upper,  _CTYPE_U            )
  76 _ISCTYPE_FUNC(xdigit, _CTYPE_X)
  77
  78 int
  79 toupper(int c)
  80 {
  81         return (int)_toupper_tab_[c + 1];
  82 }
  83
  84 int
  85 toupper_l(int c, locale_t loc)
  86 {
  87         return (int)(_RUNE_LOCALE(loc)->rl_toupper_tab[c + 1]);
  88 }
  89
  90 int
  91 tolower(int c)
  92 {
  93         return (int)_tolower_tab_[c + 1];
  94 }
  95
  96 int
  97 tolower_l(int c, locale_t loc)
  98 {
  99         return (int)(_RUNE_LOCALE(loc)->rl_tolower_tab[c + 1]);
 100 }
 101
 102 int
 103 _toupper(int c)
 104 {
 105         return (c - 'a' + 'A');
 106 }
 107
 108 int
 109 _tolower(int c)
 110 {
 111         return (c - 'A' + 'a');
 112 }