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/* Conversion to and from ISO 11548-1.
Copyright (C) 1997-2015 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>
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