glibc/iconvdata/iso8859-1.c

70 lines
2.2 KiB
C

/* Conversion to and from ISO 8859-1.
Copyright (C) 1997-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stdint.h>
/* Definitions used in the body of the `gconv' function. */
#define CHARSET_NAME "ISO-8859-1//"
#define FROM_LOOP from_iso8859_1
#define TO_LOOP to_iso8859_1
#define DEFINE_INIT 1
#define DEFINE_FINI 1
#define MIN_NEEDED_FROM 1
#define MIN_NEEDED_TO 4
#define ONE_DIRECTION 0
/* First define the conversion function from ISO 8859-1 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) = *inptr++; \
outptr += sizeof (uint32_t);
#define ONEBYTE_BODY \
{ \
return 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 > 0xff)) \
{ \
UNICODE_TAG_HANDLER (ch, 4); \
\
/* We have an illegal character. */ \
STANDARD_TO_LOOP_ERR_HANDLER (4); \
} \
else \
*outptr++ = (unsigned char) ch; \
inptr += 4; \
}
#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>