| /* |
| * Copyright (C) 1999-2001, 2016, 2019 Free Software Foundation, Inc. |
| * This file is part of the GNU LIBICONV Library. |
| * |
| * The GNU LIBICONV Library is free software; you can redistribute it |
| * and/or modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either version 2.1 |
| * of the License, or (at your option) any later version. |
| * |
| * The GNU LIBICONV Library is distributed in the hope that it will be |
| * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with the GNU LIBICONV Library; see the file COPYING.LIB. |
| * If not, see <https://www.gnu.org/licenses/>. |
| */ |
| |
| /* |
| * VISCII1.1-1 |
| */ |
| |
| /* Specification: RFC 1456 */ |
| |
| static const unsigned short viscii_2uni_1[32] = { |
| /* 0x00 */ |
| 0x0000, 0x0001, 0x1eb2, 0x0003, 0x0004, 0x1eb4, 0x1eaa, 0x0007, |
| 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, |
| /* 0x10 */ |
| 0x0010, 0x0011, 0x0012, 0x0013, 0x1ef6, 0x0015, 0x0016, 0x0017, |
| 0x0018, 0x1ef8, 0x001a, 0x001b, 0x001c, 0x001d, 0x1ef4, 0x001f, |
| }; |
| static const unsigned short viscii_2uni_2[128] = { |
| /* 0x80 */ |
| 0x1ea0, 0x1eae, 0x1eb0, 0x1eb6, 0x1ea4, 0x1ea6, 0x1ea8, 0x1eac, |
| 0x1ebc, 0x1eb8, 0x1ebe, 0x1ec0, 0x1ec2, 0x1ec4, 0x1ec6, 0x1ed0, |
| /* 0x90 */ |
| 0x1ed2, 0x1ed4, 0x1ed6, 0x1ed8, 0x1ee2, 0x1eda, 0x1edc, 0x1ede, |
| 0x1eca, 0x1ece, 0x1ecc, 0x1ec8, 0x1ee6, 0x0168, 0x1ee4, 0x1ef2, |
| /* 0xa0 */ |
| 0x00d5, 0x1eaf, 0x1eb1, 0x1eb7, 0x1ea5, 0x1ea7, 0x1ea9, 0x1ead, |
| 0x1ebd, 0x1eb9, 0x1ebf, 0x1ec1, 0x1ec3, 0x1ec5, 0x1ec7, 0x1ed1, |
| /* 0xb0 */ |
| 0x1ed3, 0x1ed5, 0x1ed7, 0x1ee0, 0x01a0, 0x1ed9, 0x1edd, 0x1edf, |
| 0x1ecb, 0x1ef0, 0x1ee8, 0x1eea, 0x1eec, 0x01a1, 0x1edb, 0x01af, |
| /* 0xc0 */ |
| 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x1ea2, 0x0102, 0x1eb3, 0x1eb5, |
| 0x00c8, 0x00c9, 0x00ca, 0x1eba, 0x00cc, 0x00cd, 0x0128, 0x1ef3, |
| /* 0xd0 */ |
| 0x0110, 0x1ee9, 0x00d2, 0x00d3, 0x00d4, 0x1ea1, 0x1ef7, 0x1eeb, |
| 0x1eed, 0x00d9, 0x00da, 0x1ef9, 0x1ef5, 0x00dd, 0x1ee1, 0x01b0, |
| /* 0xe0 */ |
| 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x1ea3, 0x0103, 0x1eef, 0x1eab, |
| 0x00e8, 0x00e9, 0x00ea, 0x1ebb, 0x00ec, 0x00ed, 0x0129, 0x1ec9, |
| /* 0xf0 */ |
| 0x0111, 0x1ef1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x1ecf, 0x1ecd, |
| 0x1ee5, 0x00f9, 0x00fa, 0x0169, 0x1ee7, 0x00fd, 0x1ee3, 0x1eee, |
| }; |
| |
| static int |
| viscii_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n) |
| { |
| unsigned char c = *s; |
| if (c < 0x20) |
| *pwc = (ucs4_t) viscii_2uni_1[c]; |
| else if (c < 0x80) |
| *pwc = (ucs4_t) c; |
| else |
| *pwc = (ucs4_t) viscii_2uni_2[c-0x80]; |
| return 1; |
| } |
| |
| static const unsigned char viscii_page00[64+184] = { |
| 0xc0, 0xc1, 0xc2, 0xc3, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */ |
| 0xc8, 0xc9, 0xca, 0x00, 0xcc, 0xcd, 0x00, 0x00, /* 0xc8-0xcf */ |
| 0x00, 0x00, 0xd2, 0xd3, 0xd4, 0xa0, 0x00, 0x00, /* 0xd0-0xd7 */ |
| 0x00, 0xd9, 0xda, 0x00, 0x00, 0xdd, 0x00, 0x00, /* 0xd8-0xdf */ |
| 0xe0, 0xe1, 0xe2, 0xe3, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */ |
| 0xe8, 0xe9, 0xea, 0x00, 0xec, 0xed, 0x00, 0x00, /* 0xe8-0xef */ |
| 0x00, 0x00, 0xf2, 0xf3, 0xf4, 0xf5, 0x00, 0x00, /* 0xf0-0xf7 */ |
| 0x00, 0xf9, 0xfa, 0x00, 0x00, 0xfd, 0x00, 0x00, /* 0xf8-0xff */ |
| /* 0x0100 */ |
| 0x00, 0x00, 0xc5, 0xe5, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */ |
| 0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */ |
| 0xce, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */ |
| 0x9d, 0xfb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */ |
| 0xb4, 0xbd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, /* 0xa8-0xaf */ |
| 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */ |
| }; |
| static const unsigned char viscii_page1e[96] = { |
| 0x80, 0xd5, 0xc4, 0xe4, 0x84, 0xa4, 0x85, 0xa5, /* 0xa0-0xa7 */ |
| 0x86, 0xa6, 0x06, 0xe7, 0x87, 0xa7, 0x81, 0xa1, /* 0xa8-0xaf */ |
| 0x82, 0xa2, 0x02, 0xc6, 0x05, 0xc7, 0x83, 0xa3, /* 0xb0-0xb7 */ |
| 0x89, 0xa9, 0xcb, 0xeb, 0x88, 0xa8, 0x8a, 0xaa, /* 0xb8-0xbf */ |
| 0x8b, 0xab, 0x8c, 0xac, 0x8d, 0xad, 0x8e, 0xae, /* 0xc0-0xc7 */ |
| 0x9b, 0xef, 0x98, 0xb8, 0x9a, 0xf7, 0x99, 0xf6, /* 0xc8-0xcf */ |
| 0x8f, 0xaf, 0x90, 0xb0, 0x91, 0xb1, 0x92, 0xb2, /* 0xd0-0xd7 */ |
| 0x93, 0xb5, 0x95, 0xbe, 0x96, 0xb6, 0x97, 0xb7, /* 0xd8-0xdf */ |
| 0xb3, 0xde, 0x94, 0xfe, 0x9e, 0xf8, 0x9c, 0xfc, /* 0xe0-0xe7 */ |
| 0xba, 0xd1, 0xbb, 0xd7, 0xbc, 0xd8, 0xff, 0xe6, /* 0xe8-0xef */ |
| 0xb9, 0xf1, 0x9f, 0xcf, 0x1e, 0xdc, 0x14, 0xd6, /* 0xf0-0xf7 */ |
| 0x19, 0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xf8-0xff */ |
| }; |
| |
| static int |
| viscii_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n) |
| { |
| unsigned char c = 0; |
| if (wc < 0x0080 && (wc >= 0x0020 || (0x42100064U & (1U << wc)) == 0)) { |
| *r = wc; |
| return 1; |
| } |
| else if (wc >= 0x00c0 && wc < 0x01b8) |
| c = viscii_page00[wc-0x00c0]; |
| else if (wc >= 0x1ea0 && wc < 0x1f00) |
| c = viscii_page1e[wc-0x1ea0]; |
| if (c != 0) { |
| *r = c; |
| return 1; |
| } |
| return RET_ILUNI; |
| } |