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glibc/iconvdata/iso_11548-1.c
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/* Conversion to and from ISO 11548-1. | |
Copyright (C) 1997-2016 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> |