Annotation of embedaddon/libiconv/lib/viscii.h, revision 1.1.1.2
1.1 misho 1: /*
1.1.1.2 ! misho 2: * Copyright (C) 1999-2001, 2016, 2019 Free Software Foundation, Inc.
1.1 misho 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.
1.1.1.2 ! misho 17: * If not, see <https://www.gnu.org/licenses/>.
1.1 misho 18: */
19:
20: /*
21: * VISCII1.1-1
22: */
23:
24: /* Specification: RFC 1456 */
25:
26: static const unsigned short viscii_2uni_1[32] = {
27: /* 0x00 */
28: 0x0000, 0x0001, 0x1eb2, 0x0003, 0x0004, 0x1eb4, 0x1eaa, 0x0007,
29: 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
30: /* 0x10 */
31: 0x0010, 0x0011, 0x0012, 0x0013, 0x1ef6, 0x0015, 0x0016, 0x0017,
32: 0x0018, 0x1ef8, 0x001a, 0x001b, 0x001c, 0x001d, 0x1ef4, 0x001f,
33: };
34: static const unsigned short viscii_2uni_2[128] = {
35: /* 0x80 */
36: 0x1ea0, 0x1eae, 0x1eb0, 0x1eb6, 0x1ea4, 0x1ea6, 0x1ea8, 0x1eac,
37: 0x1ebc, 0x1eb8, 0x1ebe, 0x1ec0, 0x1ec2, 0x1ec4, 0x1ec6, 0x1ed0,
38: /* 0x90 */
39: 0x1ed2, 0x1ed4, 0x1ed6, 0x1ed8, 0x1ee2, 0x1eda, 0x1edc, 0x1ede,
40: 0x1eca, 0x1ece, 0x1ecc, 0x1ec8, 0x1ee6, 0x0168, 0x1ee4, 0x1ef2,
41: /* 0xa0 */
42: 0x00d5, 0x1eaf, 0x1eb1, 0x1eb7, 0x1ea5, 0x1ea7, 0x1ea9, 0x1ead,
43: 0x1ebd, 0x1eb9, 0x1ebf, 0x1ec1, 0x1ec3, 0x1ec5, 0x1ec7, 0x1ed1,
44: /* 0xb0 */
45: 0x1ed3, 0x1ed5, 0x1ed7, 0x1ee0, 0x01a0, 0x1ed9, 0x1edd, 0x1edf,
46: 0x1ecb, 0x1ef0, 0x1ee8, 0x1eea, 0x1eec, 0x01a1, 0x1edb, 0x01af,
47: /* 0xc0 */
48: 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x1ea2, 0x0102, 0x1eb3, 0x1eb5,
49: 0x00c8, 0x00c9, 0x00ca, 0x1eba, 0x00cc, 0x00cd, 0x0128, 0x1ef3,
50: /* 0xd0 */
51: 0x0110, 0x1ee9, 0x00d2, 0x00d3, 0x00d4, 0x1ea1, 0x1ef7, 0x1eeb,
52: 0x1eed, 0x00d9, 0x00da, 0x1ef9, 0x1ef5, 0x00dd, 0x1ee1, 0x01b0,
53: /* 0xe0 */
54: 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x1ea3, 0x0103, 0x1eef, 0x1eab,
55: 0x00e8, 0x00e9, 0x00ea, 0x1ebb, 0x00ec, 0x00ed, 0x0129, 0x1ec9,
56: /* 0xf0 */
57: 0x0111, 0x1ef1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x1ecf, 0x1ecd,
58: 0x1ee5, 0x00f9, 0x00fa, 0x0169, 0x1ee7, 0x00fd, 0x1ee3, 0x1eee,
59: };
60:
61: static int
1.1.1.2 ! misho 62: viscii_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
1.1 misho 63: {
64: unsigned char c = *s;
65: if (c < 0x20)
66: *pwc = (ucs4_t) viscii_2uni_1[c];
67: else if (c < 0x80)
68: *pwc = (ucs4_t) c;
69: else
70: *pwc = (ucs4_t) viscii_2uni_2[c-0x80];
71: return 1;
72: }
73:
74: static const unsigned char viscii_page00[64+184] = {
75: 0xc0, 0xc1, 0xc2, 0xc3, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
76: 0xc8, 0xc9, 0xca, 0x00, 0xcc, 0xcd, 0x00, 0x00, /* 0xc8-0xcf */
77: 0x00, 0x00, 0xd2, 0xd3, 0xd4, 0xa0, 0x00, 0x00, /* 0xd0-0xd7 */
78: 0x00, 0xd9, 0xda, 0x00, 0x00, 0xdd, 0x00, 0x00, /* 0xd8-0xdf */
79: 0xe0, 0xe1, 0xe2, 0xe3, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
80: 0xe8, 0xe9, 0xea, 0x00, 0xec, 0xed, 0x00, 0x00, /* 0xe8-0xef */
81: 0x00, 0x00, 0xf2, 0xf3, 0xf4, 0xf5, 0x00, 0x00, /* 0xf0-0xf7 */
82: 0x00, 0xf9, 0xfa, 0x00, 0x00, 0xfd, 0x00, 0x00, /* 0xf8-0xff */
83: /* 0x0100 */
84: 0x00, 0x00, 0xc5, 0xe5, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
85: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
86: 0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
87: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
88: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
89: 0xce, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
90: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
91: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
92: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
93: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
94: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
95: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
96: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
97: 0x9d, 0xfb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
98: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
99: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
100: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
101: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
102: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
103: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
104: 0xb4, 0xbd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
105: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, /* 0xa8-0xaf */
106: 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */
107: };
108: static const unsigned char viscii_page1e[96] = {
109: 0x80, 0xd5, 0xc4, 0xe4, 0x84, 0xa4, 0x85, 0xa5, /* 0xa0-0xa7 */
110: 0x86, 0xa6, 0x06, 0xe7, 0x87, 0xa7, 0x81, 0xa1, /* 0xa8-0xaf */
111: 0x82, 0xa2, 0x02, 0xc6, 0x05, 0xc7, 0x83, 0xa3, /* 0xb0-0xb7 */
112: 0x89, 0xa9, 0xcb, 0xeb, 0x88, 0xa8, 0x8a, 0xaa, /* 0xb8-0xbf */
113: 0x8b, 0xab, 0x8c, 0xac, 0x8d, 0xad, 0x8e, 0xae, /* 0xc0-0xc7 */
114: 0x9b, 0xef, 0x98, 0xb8, 0x9a, 0xf7, 0x99, 0xf6, /* 0xc8-0xcf */
115: 0x8f, 0xaf, 0x90, 0xb0, 0x91, 0xb1, 0x92, 0xb2, /* 0xd0-0xd7 */
116: 0x93, 0xb5, 0x95, 0xbe, 0x96, 0xb6, 0x97, 0xb7, /* 0xd8-0xdf */
117: 0xb3, 0xde, 0x94, 0xfe, 0x9e, 0xf8, 0x9c, 0xfc, /* 0xe0-0xe7 */
118: 0xba, 0xd1, 0xbb, 0xd7, 0xbc, 0xd8, 0xff, 0xe6, /* 0xe8-0xef */
119: 0xb9, 0xf1, 0x9f, 0xcf, 0x1e, 0xdc, 0x14, 0xd6, /* 0xf0-0xf7 */
120: 0x19, 0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */
121: };
122:
123: static int
1.1.1.2 ! misho 124: viscii_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
1.1 misho 125: {
126: unsigned char c = 0;
1.1.1.2 ! misho 127: if (wc < 0x0080 && (wc >= 0x0020 || (0x42100064U & (1U << wc)) == 0)) {
1.1 misho 128: *r = wc;
129: return 1;
130: }
131: else if (wc >= 0x00c0 && wc < 0x01b8)
132: c = viscii_page00[wc-0x00c0];
133: else if (wc >= 0x1ea0 && wc < 0x1f00)
134: c = viscii_page1e[wc-0x1ea0];
135: if (c != 0) {
136: *r = c;
137: return 1;
138: }
139: return RET_ILUNI;
140: }
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