3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS kernel
5 * FILE: lib/ntdll/rtl/ctype.c
6 * PURPOSE: Character type and conversion functions
9 * HISTORY: ???: Created
10 * 29/12/1999: Added missing functions and changed
11 * all functions to use ctype table
18 #define upalpha ('A' - 'a')
21 unsigned short _ctype[] = {
22 0, /* <EOF>, 0xFFFF */
23 _CONTROL, /* CTRL+@, 0x00 */
24 _CONTROL, /* CTRL+A, 0x01 */
25 _CONTROL, /* CTRL+B, 0x02 */
26 _CONTROL, /* CTRL+C, 0x03 */
27 _CONTROL, /* CTRL+D, 0x04 */
28 _CONTROL, /* CTRL+E, 0x05 */
29 _CONTROL, /* CTRL+F, 0x06 */
30 _CONTROL, /* CTRL+G, 0x07 */
31 _CONTROL, /* CTRL+H, 0x08 */
32 _CONTROL | _SPACE, /* CTRL+I, 0x09 */
33 _CONTROL | _SPACE, /* CTRL+J, 0x0a */
34 _CONTROL | _SPACE, /* CTRL+K, 0x0b */
35 _CONTROL | _SPACE, /* CTRL+L, 0x0c */
36 _CONTROL | _SPACE, /* CTRL+M, 0x0d */
37 _CONTROL, /* CTRL+N, 0x0e */
38 _CONTROL, /* CTRL+O, 0x0f */
39 _CONTROL, /* CTRL+P, 0x10 */
40 _CONTROL, /* CTRL+Q, 0x11 */
41 _CONTROL, /* CTRL+R, 0x12 */
42 _CONTROL, /* CTRL+S, 0x13 */
43 _CONTROL, /* CTRL+T, 0x14 */
44 _CONTROL, /* CTRL+U, 0x15 */
45 _CONTROL, /* CTRL+V, 0x16 */
46 _CONTROL, /* CTRL+W, 0x17 */
47 _CONTROL, /* CTRL+X, 0x18 */
48 _CONTROL, /* CTRL+Y, 0x19 */
49 _CONTROL, /* CTRL+Z, 0x1a */
50 _CONTROL, /* CTRL+[, 0x1b */
51 _CONTROL, /* CTRL+\, 0x1c */
52 _CONTROL, /* CTRL+], 0x1d */
53 _CONTROL, /* CTRL+^, 0x1e */
54 _CONTROL, /* CTRL+_, 0x1f */
55 _SPACE | _BLANK, /* ` ', 0x20 */
56 _PUNCT, /* `!', 0x21 */
58 _PUNCT, /* `#', 0x23 */
59 _PUNCT, /* `$', 0x24 */
60 _PUNCT, /* `%', 0x25 */
61 _PUNCT, /* `&', 0x26 */
63 _PUNCT, /* `(', 0x28 */
64 _PUNCT, /* `)', 0x29 */
65 _PUNCT, /* `*', 0x2a */
66 _PUNCT, /* `+', 0x2b */
67 _PUNCT, /* `,', 0x2c */
68 _PUNCT, /* `-', 0x2d */
69 _PUNCT, /* `.', 0x2e */
70 _PUNCT, /* `/', 0x2f */
71 _DIGIT | _HEX, /* `0', 0x30 */
72 _DIGIT | _HEX, /* `1', 0x31 */
73 _DIGIT | _HEX, /* `2', 0x32 */
74 _DIGIT | _HEX, /* `3', 0x33 */
75 _DIGIT | _HEX, /* `4', 0x34 */
76 _DIGIT | _HEX, /* `5', 0x35 */
77 _DIGIT | _HEX, /* `6', 0x36 */
78 _DIGIT | _HEX, /* `7', 0x37 */
79 _DIGIT | _HEX, /* `8', 0x38 */
80 _DIGIT | _HEX, /* `9', 0x39 */
81 _PUNCT, /* `:', 0x3a */
82 _PUNCT, /* `;', 0x3b */
83 _PUNCT, /* `<', 0x3c */
84 _PUNCT, /* `=', 0x3d */
85 _PUNCT, /* `>', 0x3e */
86 _PUNCT, /* `?', 0x3f */
87 _PUNCT, /* `@', 0x40 */
88 _UPPER | _HEX, /* `A', 0x41 */
89 _UPPER | _HEX, /* `B', 0x42 */
90 _UPPER | _HEX, /* `C', 0x43 */
91 _UPPER | _HEX, /* `D', 0x44 */
92 _UPPER | _HEX, /* `E', 0x45 */
93 _UPPER | _HEX, /* `F', 0x46 */
94 _UPPER, /* `G', 0x47 */
95 _UPPER, /* `H', 0x48 */
96 _UPPER, /* `I', 0x49 */
97 _UPPER, /* `J', 0x4a */
98 _UPPER, /* `K', 0x4b */
99 _UPPER, /* `L', 0x4c */
100 _UPPER, /* `M', 0x4d */
101 _UPPER, /* `N', 0x4e */
102 _UPPER, /* `O', 0x4f */
103 _UPPER, /* `P', 0x50 */
104 _UPPER, /* `Q', 0x51 */
105 _UPPER, /* `R', 0x52 */
106 _UPPER, /* `S', 0x53 */
107 _UPPER, /* `T', 0x54 */
108 _UPPER, /* `U', 0x55 */
109 _UPPER, /* `V', 0x56 */
110 _UPPER, /* `W', 0x57 */
111 _UPPER, /* `X', 0x58 */
112 _UPPER, /* `Y', 0x59 */
113 _UPPER, /* `Z', 0x5a */
114 _PUNCT, /* `[', 0x5b */
116 _PUNCT, /* `]', 0x5d */
117 _PUNCT, /* `^', 0x5e */
118 _PUNCT, /* `_', 0x5f */
120 _LOWER | _HEX, /* `a', 0x61 */
121 _LOWER | _HEX, /* `b', 0x62 */
122 _LOWER | _HEX, /* `c', 0x63 */
123 _LOWER | _HEX, /* `d', 0x64 */
124 _LOWER | _HEX, /* `e', 0x65 */
125 _LOWER | _HEX, /* `f', 0x66 */
126 _LOWER, /* `g', 0x67 */
127 _LOWER, /* `h', 0x68 */
128 _LOWER, /* `i', 0x69 */
129 _LOWER, /* `j', 0x6a */
130 _LOWER, /* `k', 0x6b */
131 _LOWER, /* `l', 0x6c */
132 _LOWER, /* `m', 0x6d */
133 _LOWER, /* `n', 0x6e */
134 _LOWER, /* `o', 0x6f */
135 _LOWER, /* `p', 0x70 */
136 _LOWER, /* `q', 0x71 */
137 _LOWER, /* `r', 0x72 */
138 _LOWER, /* `s', 0x73 */
139 _LOWER, /* `t', 0x74 */
140 _LOWER, /* `u', 0x75 */
141 _LOWER, /* `v', 0x76 */
142 _LOWER, /* `w', 0x77 */
143 _LOWER, /* `x', 0x78 */
144 _LOWER, /* `y', 0x79 */
145 _LOWER, /* `z', 0x7a */
146 _PUNCT, /* `{', 0x7b */
147 _PUNCT, /* `|', 0x7c */
148 _PUNCT, /* `}', 0x7d */
149 _PUNCT, /* `~', 0x7e */
281 unsigned short *_pctype = _ctype + 1;
282 unsigned short *_pwctype = _ctype + 1;
284 int _isctype (int c, int ctypeFlags)
286 return (_pctype[(unsigned char)(c & 0xFF)] & ctypeFlags);
289 int iswctype(wint_t wc, wctype_t wctypeFlags)
291 return (_pwctype[(unsigned char)(wc & 0xFF)] & wctypeFlags);
296 return(_isctype(c, _ALPHA));
301 return(_isctype(c, _ALPHA | _DIGIT));
306 return ((unsigned char)c <= 0x7f);
311 return(_isctype(c, _CONTROL));
316 return(isalnum(c)||(c == '_'));
321 return(isalpha(c)||(c == '_'));
326 return(_isctype(c, _DIGIT));
331 return (_isctype (c, _PUNCT | _ALPHA | _DIGIT));
336 return (_isctype (c, _LOWER));
341 return (_isctype (c, _BLANK | _PUNCT | _ALPHA | _DIGIT));
346 return (_isctype (c, _PUNCT));
351 return (_isctype (c, _SPACE));
356 return (_isctype (c, _UPPER));
361 return (_isctype (c, _HEX));
365 int iswalpha(wint_t c)
367 return (iswctype (c, _ALPHA));
370 int iswdigit(wint_t c)
372 return (iswctype (c, _DIGIT));
375 int iswspace(wint_t c)
377 return (iswctype (c, _SPACE));
380 int iswlower(wint_t c)
382 return (iswctype (c, _LOWER));
385 int iswxdigit(wint_t c)
387 return (iswctype (c, _HEX));
393 return((unsigned)(c) & 0x7f);
398 if (_isctype (c, _UPPER))
399 return (c - upalpha);
405 if (_isctype (c, _LOWER))
406 return (c + upalpha);
412 if (_isctype (c, _UPPER))
413 return (c - upalpha);
419 if (_isctype (c, _LOWER))
420 return (c + upalpha);
424 wchar_t towlower(wchar_t c)
426 if (iswctype (c, _UPPER))
427 return (c - upalpha);
431 wchar_t towupper(wchar_t c)
433 if (iswctype (c, _LOWER))
434 return (c + upalpha);