1 /*
2 * libdpkg - Debian packaging suite library routines
3 * c-ctype.c - ASCII C locale-only functions
4 *
5 * Copyright © 2009-2014 Guillem Jover <guillem@debian.org>
6 *
7 * This is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This 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
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
19 */
20
21 #include <config.h>
22 #include <compat.h>
23
24 #include <dpkg/c-ctype.h>
25
26 #undef S
27 #define S C_CTYPE_SPACE
28 #undef W
29 #define W C_CTYPE_WHITE
30 #undef B
31 #define B C_CTYPE_BLANK
32 #undef U
33 #define U C_CTYPE_UPPER
34 #undef L
35 #define L C_CTYPE_LOWER
36 #undef D
37 #define D C_CTYPE_DIGIT
38
39 static unsigned short int c_ctype[256] = {
40 /** 0 **/
41 /* \0 */ 0,
42 0,
43 0,
44 0,
45 0,
46 0,
47 0,
48 /* \a */ 0,
49 /* \b */ 0,
50 /* \t */ S | W | B,
51 /* \n */ S | W,
52 /* \v */ S,
53 /* \f */ S,
54 /* \r */ S,
55 0,
56 0,
57 /** 16 **/
58 0,
59 0,
60 0,
61 0,
62 0,
63 0,
64 0,
65 0,
66 0,
67 0,
68 0,
69 0,
70 0,
71 0,
72 0,
73 0,
74 /** 32 **/
75 /* */ S | W | B,
76 /* ! */ 0,
77 /* " */ 0,
78 /* # */ 0,
79 /* $ */ 0,
80 /* % */ 0,
81 /* & */ 0,
82 /* ' */ 0,
83 /* ( */ 0,
84 /* ) */ 0,
85 /* * */ 0,
86 /* + */ 0,
87 /* , */ 0,
88 /* - */ 0,
89 /* . */ 0,
90 /* / */ 0,
91 /** 48 **/
92 /* 0 */ D,
93 /* 1 */ D,
94 /* 2 */ D,
95 /* 3 */ D,
96 /* 4 */ D,
97 /* 5 */ D,
98 /* 6 */ D,
99 /* 7 */ D,
100 /* 8 */ D,
101 /* 9 */ D,
102 /* : */ 0,
103 /* ; */ 0,
104 /* < */ 0,
105 /* = */ 0,
106 /* > */ 0,
107 /* ? */ 0,
108 /* 64 */
109 /* @ */ 0,
110 /* A */ U,
111 /* B */ U,
112 /* C */ U,
113 /* D */ U,
114 /* E */ U,
115 /* F */ U,
116 /* G */ U,
117 /* H */ U,
118 /* I */ U,
119 /* J */ U,
120 /* K */ U,
121 /* L */ U,
122 /* M */ U,
123 /* N */ U,
124 /* O */ U,
125 /* 80 */
126 /* P */ U,
127 /* Q */ U,
128 /* R */ U,
129 /* S */ U,
130 /* T */ U,
131 /* U */ U,
132 /* V */ U,
133 /* W */ U,
134 /* X */ U,
135 /* Y */ U,
136 /* Z */ U,
137 /* [ */ 0,
138 /* \ */ 0,
139 /* ] */ 0,
140 /* ^ */ 0,
141 /* _ */ 0,
142 /* 96 */
143 /* ` */ 0,
144 /* a */ L,
145 /* b */ L,
146 /* c */ L,
147 /* d */ L,
148 /* e */ L,
149 /* f */ L,
150 /* g */ L,
151 /* h */ L,
152 /* i */ L,
153 /* j */ L,
154 /* k */ L,
155 /* l */ L,
156 /* m */ L,
157 /* n */ L,
158 /* o */ L,
159 /* 112 */
160 /* p */ L,
161 /* q */ L,
162 /* r */ L,
163 /* s */ L,
164 /* t */ L,
165 /* u */ L,
166 /* v */ L,
167 /* w */ L,
168 /* x */ L,
169 /* y */ L,
170 /* z */ L,
171 /* { */ 0,
172 /* | */ 0,
173 /* } */ 0,
174 /* ~ */ 0,
175 0,
176 /* 128 */
177 };
178
179 /**
180 * Check if the character is bits ctype.
181 */
182 bool
c_isbits(int c,enum c_ctype_bit bits)183 c_isbits(int c, enum c_ctype_bit bits)
184 {
185 return ((c_ctype[(unsigned char)c] & bits) != 0);
186 }
187