| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Conversion to and from ISO 11548-1. |
| 2 | Copyright (C) 1997-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997, |
| 5 | Samuel Thibault <samuel.thibault@ens-lyon.org>, 2005. |
| 6 | |
| 7 | The GNU C Library is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU Lesser General Public |
| 9 | License as published by the Free Software Foundation; either |
| 10 | version 2.1 of the License, or (at your option) any later version. |
| 11 | |
| 12 | The GNU C Library is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | Lesser General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU Lesser General Public |
| 18 | License along with the GNU C Library; if not, see |
| 19 | <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | #include <dlfcn.h> |
| 22 | #include <stdint.h> |
| 23 | |
| 24 | /* Definitions used in the body of the `gconv' function. */ |
| 25 | #define CHARSET_NAME "ISO_11548-1//" |
| 26 | #define FROM_LOOP from_iso11548_1 |
| 27 | #define TO_LOOP to_iso11548_1 |
| 28 | #define DEFINE_INIT 1 |
| 29 | #define DEFINE_FINI 1 |
| 30 | #define MIN_NEEDED_FROM 1 |
| 31 | #define MIN_NEEDED_TO 4 |
| 32 | #define ONE_DIRECTION 0 |
| 33 | |
| 34 | #define BRAILLE_UCS_BASE 0x2800 |
| 35 | |
| 36 | /* First define the conversion function from ISO 11548-1 to UCS4. */ |
| 37 | #define MIN_NEEDED_INPUT MIN_NEEDED_FROM |
| 38 | #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO |
| 39 | #define LOOPFCT FROM_LOOP |
| 40 | #define BODY \ |
| 41 | *((uint32_t *) outptr) = BRAILLE_UCS_BASE | (*inptr++); \ |
| 42 | outptr += sizeof (uint32_t); |
| 43 | #define ONEBYTE_BODY \ |
| 44 | { \ |
| 45 | return BRAILLE_UCS_BASE | c; \ |
| 46 | } |
| 47 | #include <iconv/loop.c> |
| 48 | |
| 49 | |
| 50 | /* Next, define the other direction. */ |
| 51 | #define MIN_NEEDED_INPUT MIN_NEEDED_TO |
| 52 | #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM |
| 53 | #define LOOPFCT TO_LOOP |
| 54 | #define BODY \ |
| 55 | { \ |
| 56 | uint32_t ch = *((const uint32_t *) inptr); \ |
| 57 | if (__glibc_unlikely ((ch & 0xffffff00u) != BRAILLE_UCS_BASE)) \ |
| 58 | { \ |
| 59 | UNICODE_TAG_HANDLER (ch, 4); \ |
| 60 | \ |
| 61 | /* We have an illegal character. */ \ |
| 62 | STANDARD_TO_LOOP_ERR_HANDLER (4); \ |
| 63 | } \ |
| 64 | else \ |
| 65 | *outptr++ = (unsigned char) (ch & 0xff); \ |
| 66 | inptr += 4; \ |
| 67 | } |
| 68 | #define LOOP_NEED_FLAGS |
| 69 | #include <iconv/loop.c> |
| 70 | |
| 71 | |
| 72 | /* Now define the toplevel functions. */ |
| 73 | #include <iconv/skeleton.c> |