| /* Conversion to and from ISO 11548-1. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997, |
| Samuel Thibault <samuel.thibault@ens-lyon.org>, 2005. |
| |
| The GNU C 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 C 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 C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <dlfcn.h> |
| #include <stdint.h> |
| |
| /* Definitions used in the body of the `gconv' function. */ |
| #define CHARSET_NAME "ISO_11548-1//" |
| #define FROM_LOOP from_iso11548_1 |
| #define TO_LOOP to_iso11548_1 |
| #define DEFINE_INIT 1 |
| #define DEFINE_FINI 1 |
| #define MIN_NEEDED_FROM 1 |
| #define MIN_NEEDED_TO 4 |
| #define ONE_DIRECTION 0 |
| |
| #define BRAILLE_UCS_BASE 0x2800 |
| |
| /* First define the conversion function from ISO 11548-1 to UCS4. */ |
| #define MIN_NEEDED_INPUT MIN_NEEDED_FROM |
| #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO |
| #define LOOPFCT FROM_LOOP |
| #define BODY \ |
| *((uint32_t *) outptr) = BRAILLE_UCS_BASE | (*inptr++); \ |
| outptr += sizeof (uint32_t); |
| #define ONEBYTE_BODY \ |
| { \ |
| return BRAILLE_UCS_BASE | c; \ |
| } |
| #include <iconv/loop.c> |
| |
| |
| /* Next, define the other direction. */ |
| #define MIN_NEEDED_INPUT MIN_NEEDED_TO |
| #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM |
| #define LOOPFCT TO_LOOP |
| #define BODY \ |
| { \ |
| uint32_t ch = *((const uint32_t *) inptr); \ |
| if (__glibc_unlikely ((ch & 0xffffff00u) != BRAILLE_UCS_BASE)) \ |
| { \ |
| UNICODE_TAG_HANDLER (ch, 4); \ |
| \ |
| /* We have an illegal character. */ \ |
| STANDARD_TO_LOOP_ERR_HANDLER (4); \ |
| } \ |
| else \ |
| *outptr++ = (unsigned char) (ch & 0xff); \ |
| inptr += 4; \ |
| } |
| #define LOOP_NEED_FLAGS |
| #include <iconv/loop.c> |
| |
| |
| /* Now define the toplevel functions. */ |
| #include <iconv/skeleton.c> |
