1/* Conversion to and from ISO 8859-1.
2 Copyright (C) 1997-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <dlfcn.h>
20#include <stdint.h>
21
22/* Definitions used in the body of the `gconv' function. */
23#define CHARSET_NAME "ISO-8859-1//"
24#define FROM_LOOP from_iso8859_1
25#define TO_LOOP to_iso8859_1
26#define DEFINE_INIT 1
27#define DEFINE_FINI 1
28#define MIN_NEEDED_FROM 1
29#define MIN_NEEDED_TO 4
30#define ONE_DIRECTION 0
31
32/* First define the conversion function from ISO 8859-1 to UCS4. */
33#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
34#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
35#define LOOPFCT FROM_LOOP
36#define BODY \
37 *((uint32_t *) outptr) = *inptr++; \
38 outptr += sizeof (uint32_t);
39#define ONEBYTE_BODY \
40 { \
41 return c; \
42 }
43#include <iconv/loop.c>
44
45
46/* Next, define the other direction. */
47#define MIN_NEEDED_INPUT MIN_NEEDED_TO
48#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
49#define LOOPFCT TO_LOOP
50#define BODY \
51 { \
52 uint32_t ch = *((const uint32_t *) inptr); \
53 if (__glibc_unlikely (ch > 0xff)) \
54 { \
55 UNICODE_TAG_HANDLER (ch, 4); \
56 \
57 /* We have an illegal character. */ \
58 STANDARD_TO_LOOP_ERR_HANDLER (4); \
59 } \
60 else \
61 *outptr++ = (unsigned char) ch; \
62 inptr += 4; \
63 }
64#define LOOP_NEED_FLAGS
65#include <iconv/loop.c>
66
67
68/* Now define the toplevel functions. */
69#include <iconv/skeleton.c>
70