1: /*
2: * Copyright (C) 1999-2002, 2016 Free Software Foundation, Inc.
3: * This file is part of the GNU LIBICONV Library.
4: *
5: * The GNU LIBICONV Library is free software; you can redistribute it
6: * and/or modify it under the terms of the GNU Library General Public
7: * License as published by the Free Software Foundation; either version 2
8: * of the License, or (at your option) any later version.
9: *
10: * The GNU LIBICONV Library is distributed in the hope that it will be
11: * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Library General Public License for more details.
14: *
15: * You should have received a copy of the GNU Library General Public
16: * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
17: * If not, see <https://www.gnu.org/licenses/>.
18: */
19:
20: /*
21: * KOI8-T
22: */
23:
24: static const unsigned short koi8_t_2uni[128] = {
25: /* 0x80 */
26: 0x049b, 0x0493, 0x201a, 0x0492, 0x201e, 0x2026, 0x2020, 0x2021,
27: 0xfffd, 0x2030, 0x04b3, 0x2039, 0x04b2, 0x04b7, 0x04b6, 0xfffd,
28: /* 0x90 */
29: 0x049a, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
30: 0xfffd, 0x2122, 0xfffd, 0x203a, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
31: /* 0xa0 */
32: 0xfffd, 0x04ef, 0x04ee, 0x0451, 0x00a4, 0x04e3, 0x00a6, 0x00a7,
33: 0xfffd, 0xfffd, 0xfffd, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0xfffd,
34: /* 0xb0 */
35: 0x00b0, 0x00b1, 0x00b2, 0x0401, 0xfffd, 0x04e2, 0x00b6, 0x00b7,
36: 0xfffd, 0x2116, 0xfffd, 0x00bb, 0xfffd, 0xfffd, 0xfffd, 0x00a9,
37: /* 0xc0 */
38: 0x044e, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
39: 0x0445, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e,
40: /* 0xd0 */
41: 0x043f, 0x044f, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
42: 0x044c, 0x044b, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044a,
43: /* 0xe0 */
44: 0x042e, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
45: 0x0425, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e,
46: /* 0xf0 */
47: 0x041f, 0x042f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
48: 0x042c, 0x042b, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042a,
49: };
50:
51: static int
52: koi8_t_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
53: {
54: unsigned char c = *s;
55: if (c < 0x80) {
56: *pwc = (ucs4_t) c;
57: return 1;
58: }
59: else {
60: unsigned short wc = koi8_t_2uni[c-0x80];
61: if (wc != 0xfffd) {
62: *pwc = (ucs4_t) wc;
63: return 1;
64: }
65: }
66: return RET_ILSEQ;
67: }
68:
69: static const unsigned char koi8_t_page00[32] = {
70: 0x00, 0x00, 0x00, 0x00, 0xa4, 0x00, 0xa6, 0xa7, /* 0xa0-0xa7 */
71: 0x00, 0xbf, 0x00, 0xab, 0xac, 0xad, 0xae, 0x00, /* 0xa8-0xaf */
72: 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0xb6, 0xb7, /* 0xb0-0xb7 */
73: 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
74: };
75: static const unsigned char koi8_t_page04[240] = {
76: 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
77: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
78: 0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa, /* 0x10-0x17 */
79: 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, /* 0x18-0x1f */
80: 0xf2, 0xf3, 0xf4, 0xf5, 0xe6, 0xe8, 0xe3, 0xfe, /* 0x20-0x27 */
81: 0xfb, 0xfd, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1, /* 0x28-0x2f */
82: 0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda, /* 0x30-0x37 */
83: 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, /* 0x38-0x3f */
84: 0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde, /* 0x40-0x47 */
85: 0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1, /* 0x48-0x4f */
86: 0x00, 0xa3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
87: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
88: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
89: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
90: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
91: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
92: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
93: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
94: 0x00, 0x00, 0x83, 0x81, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
95: 0x00, 0x00, 0x90, 0x80, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
96: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
97: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
98: 0x00, 0x00, 0x8c, 0x8a, 0x00, 0x00, 0x8e, 0x8d, /* 0xb0-0xb7 */
99: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
100: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
101: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
102: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
103: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
104: 0x00, 0x00, 0xb5, 0xa5, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
105: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa2, 0xa1, /* 0xe8-0xef */
106: };
107: static const unsigned char koi8_t_page20[48] = {
108: 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
109: 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
110: 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
111: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
112: 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
113: 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
114: };
115: static const unsigned char koi8_t_page21[24] = {
116: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb9, 0x00, /* 0x10-0x17 */
117: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
118: 0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
119: };
120:
121: static int
122: koi8_t_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
123: {
124: unsigned char c = 0;
125: if (wc < 0x0080) {
126: *r = wc;
127: return 1;
128: }
129: else if (wc >= 0x00a0 && wc < 0x00c0)
130: c = koi8_t_page00[wc-0x00a0];
131: else if (wc >= 0x0400 && wc < 0x04f0)
132: c = koi8_t_page04[wc-0x0400];
133: else if (wc >= 0x2010 && wc < 0x2040)
134: c = koi8_t_page20[wc-0x2010];
135: else if (wc >= 0x2110 && wc < 0x2128)
136: c = koi8_t_page21[wc-0x2110];
137: if (c != 0) {
138: *r = c;
139: return 1;
140: }
141: return RET_ILUNI;
142: }
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