Josh Coalson | fda98fb | 2002-05-17 06:33:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2001 Edmund Grimley Evans <edmundo@rano.org> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <iconv.h> |
| 21 | #include <stdio.h> |
| 22 | |
| 23 | int main(int argc, char *argv[]) |
| 24 | { |
| 25 | iconv_t cd; |
| 26 | const char *ib; |
| 27 | char *ob; |
| 28 | size_t ibl, obl, k; |
| 29 | unsigned char c, buf[4]; |
| 30 | int i, wc; |
| 31 | |
| 32 | if (argc != 2) { |
| 33 | printf("Usage: %s ENCODING\n", argv[0]); |
| 34 | printf("Output a charset map for the 8-bit ENCODING.\n"); |
| 35 | return 1; |
| 36 | } |
| 37 | |
| 38 | cd = iconv_open("UCS-4", argv[1]); |
| 39 | if (cd == (iconv_t)(-1)) { |
| 40 | perror("iconv_open"); |
| 41 | return 1; |
| 42 | } |
| 43 | |
| 44 | for (i = 0; i < 256; i++) { |
| 45 | c = i; |
| 46 | ib = &c; |
| 47 | ibl = 1; |
| 48 | ob = buf; |
| 49 | obl = 4; |
| 50 | k = iconv(cd, &ib, &ibl, &ob, &obl); |
| 51 | if (!k && !ibl && !obl) { |
| 52 | wc = (buf[0] << 24) + (buf[1] << 16) + (buf[2] << 8) + buf[3]; |
| 53 | if (wc >= 0xffff) { |
| 54 | printf("Dodgy value.\n"); |
| 55 | return 1; |
| 56 | } |
| 57 | } |
| 58 | else if (k == (size_t)(-1) && errno == EILSEQ) |
| 59 | wc = 0xffff; |
| 60 | else { |
| 61 | printf("Non-standard iconv.\n"); |
| 62 | return 1; |
| 63 | } |
| 64 | |
| 65 | if (i % 8 == 0) |
| 66 | printf(" "); |
| 67 | printf("0x%04x", wc); |
| 68 | if (i == 255) |
| 69 | printf("\n"); |
| 70 | else if (i % 8 == 7) |
| 71 | printf(",\n"); |
| 72 | else |
| 73 | printf(", "); |
| 74 | } |
| 75 | |
| 76 | return 0; |
| 77 | } |