1 /* <ctype.h> replacement macros.
3 Copyright (C) 2000 Free Software Foundation, Inc.
4 Contributed by Zack Weinberg <zackw@stanford.edu>.
6 This file is part of the libiberty library.
7 Libiberty is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public
9 License as published by the Free Software Foundation; either
10 version 3 of the License, or (at your option) any later version.
12 Libiberty is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Library General Public License for more details.
17 You should have received a copy of the GNU Library General Public
18 License along with libiberty. If not, see <http://www.gnu.org/licenses/>.
20 In addition, as a special exception, the Free Software Foundation
21 gives permission to link the code of its release of Wget with the
22 OpenSSL project's "OpenSSL" library (or with modified versions of it
23 that use the same license as the "OpenSSL" library), and distribute
24 the linked executables. You must obey the GNU General Public License
25 in all respects for all of the code used other than "OpenSSL". If you
26 modify this file, you may extend this exception to your version of the
27 file, but you are not obligated to do so. If you do not wish to do
28 so, delete this exception statement from your version. */
30 /* This is a compatible replacement of the standard C library's <ctype.h>
31 with the following properties:
33 - Implements all isxxx() macros required by C99.
34 - Also implements some character classes useful when
35 parsing C-like languages.
36 - Does not change behavior depending on the current locale.
37 - Behaves properly for all values in the range of a signed or
41 #include <safe-ctype.h>
42 #include <stdio.h> /* for EOF */
45 #define bl _sch_isblank
46 #define cn _sch_iscntrl
47 #define di _sch_isdigit
48 #define is _sch_isidst
49 #define lo _sch_islower
50 #define nv _sch_isnvsp
51 #define pn _sch_ispunct
52 #define pr _sch_isprint
53 #define sp _sch_isspace
54 #define up _sch_isupper
56 #define xd _sch_isxdigit
59 #define L lo|is |pr /* lower case letter */
60 #define XL lo|is|xd|pr /* lowercase hex digit */
61 #define U up|is |pr /* upper case letter */
62 #define XU up|is|xd|pr /* uppercase hex digit */
63 #define D di |xd|pr /* decimal digit */
64 #define P pn |pr /* punctuation */
65 #define _ pn|is |pr /* underscore */
67 #define C cn /* control character */
68 #define Z nv |cn /* NUL */
69 #define M nv|sp |cn /* cursor movement: \f \v */
70 #define V vs|sp |cn /* vertical space: \r \n */
71 #define T nv|sp|bl|cn /* tab */
72 #define S nv|sp|bl|pr /* space */
75 #if '\n' == 0x0A && ' ' == 0x20 && '0' == 0x30 \
76 && 'A' == 0x41 && 'a' == 0x61 && '!' == 0x21 \
79 const unsigned short _sch_istable[256] =
81 Z, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */
82 C, T, V, M, M, V, C, C, /* BS HT LF VT FF CR SO SI */
83 C, C, C, C, C, C, C, C, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */
84 C, C, C, C, C, C, C, C, /* CAN EM SUB ESC FS GS RS US */
85 S, P, P, P, P, P, P, P, /* SP ! " # $ % & ' */
86 P, P, P, P, P, P, P, P, /* ( ) * + , - . / */
87 D, D, D, D, D, D, D, D, /* 0 1 2 3 4 5 6 7 */
88 D, D, P, P, P, P, P, P, /* 8 9 : ; < = > ? */
89 P, XU, XU, XU, XU, XU, XU, U, /* @ A B C D E F G */
90 U, U, U, U, U, U, U, U, /* H I J K L M N O */
91 U, U, U, U, U, U, U, U, /* P Q R S T U V W */
92 U, U, U, P, P, P, P, _, /* X Y Z [ \ ] ^ _ */
93 P, XL, XL, XL, XL, XL, XL, L, /* ` a b c d e f g */
94 L, L, L, L, L, L, L, L, /* h i j k l m n o */
95 L, L, L, L, L, L, L, L, /* p q r s t u v w */
96 L, L, L, P, P, P, P, C, /* x y z { | } ~ DEL */
98 /* high half of unsigned char is locale-specific, so all tests are
99 false in "C" locale */
100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
102 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
103 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
105 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
106 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
107 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
108 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
111 const unsigned char _sch_tolower[256] =
113 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
114 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
115 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
116 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
119 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
120 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
122 91, 92, 93, 94, 95, 96,
124 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
125 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
129 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143,
130 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159,
131 160,161,162,163, 164,165,166,167, 168,169,170,171, 172,173,174,175,
132 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,190,191,
134 192,193,194,195, 196,197,198,199, 200,201,202,203, 204,205,206,207,
135 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223,
136 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239,
137 240,241,242,243, 244,245,246,247, 248,249,250,251, 252,253,254,255,
140 const unsigned char _sch_toupper[256] =
142 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
143 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
144 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
145 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
148 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
149 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
151 91, 92, 93, 94, 95, 96,
153 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
154 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
158 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143,
159 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159,
160 160,161,162,163, 164,165,166,167, 168,169,170,171, 172,173,174,175,
161 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,190,191,
163 192,193,194,195, 196,197,198,199, 200,201,202,203, 204,205,206,207,
164 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223,
165 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239,
166 240,241,242,243, 244,245,246,247, 248,249,250,251, 252,253,254,255,
170 #error "Unsupported host character set"
171 #endif /* not ASCII */