1/* Conversion to and from ISO 8859-1.
2 Copyright (C) 1997-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <dlfcn.h>
21#include <stdint.h>
22
23/* Definitions used in the body of the `gconv' function. */
24#define CHARSET_NAME "ISO-8859-1//"
25#define FROM_LOOP from_iso8859_1
26#define TO_LOOP to_iso8859_1
27#define DEFINE_INIT 1
28#define DEFINE_FINI 1
29#define MIN_NEEDED_FROM 1
30#define MIN_NEEDED_TO 4
31#define ONE_DIRECTION 0
32
33/* First define the conversion function from ISO 8859-1 to UCS4. */
34#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
35#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
36#define LOOPFCT FROM_LOOP
37#define BODY \
38 *((uint32_t *) outptr) = *inptr++; \
39 outptr += sizeof (uint32_t);
40#define ONEBYTE_BODY \
41 { \
42 return c; \
43 }
44#include <iconv/loop.c>
45
46
47/* Next, define the other direction. */
48#define MIN_NEEDED_INPUT MIN_NEEDED_TO
49#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
50#define LOOPFCT TO_LOOP
51#define BODY \
52 { \
53 uint32_t ch = *((const uint32_t *) inptr); \
54 if (__glibc_unlikely (ch > 0xff)) \
55 { \
56 UNICODE_TAG_HANDLER (ch, 4); \
57 \
58 /* We have an illegal character. */ \
59 STANDARD_TO_LOOP_ERR_HANDLER (4); \
60 } \
61 else \
62 *outptr++ = (unsigned char) ch; \
63 inptr += 4; \
64 }
65#define LOOP_NEED_FLAGS
66#include <iconv/loop.c>
67
68
69/* Now define the toplevel functions. */
70#include <iconv/skeleton.c>
71