1/* Table for builtin transformation mapping.
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 <endian.h>
20#include <limits.h>
21#include <stdint.h>
22#include <string.h>
23
24#include <gconv_int.h>
25
26#include <assert.h>
27
28
29static const struct builtin_map
30{
31 const char *name;
32 __gconv_fct fct;
33 __gconv_btowc_fct btowc_fct;
34
35 int8_t min_needed_from;
36 int8_t max_needed_from;
37 int8_t min_needed_to;
38 int8_t max_needed_to;
39
40} map[] =
41{
42#define BUILTIN_TRANSFORMATION(From, To, Cost, Name, Fct, BtowcFct, \
43 MinF, MaxF, MinT, MaxT) \
44 { \
45 .name = Name, \
46 .fct = Fct, \
47 .btowc_fct = BtowcFct, \
48 \
49 .min_needed_from = MinF, \
50 .max_needed_from = MaxF, \
51 .min_needed_to = MinT, \
52 .max_needed_to = MaxT \
53 },
54#define BUILTIN_ALIAS(From, To)
55
56#include <gconv_builtin.h>
57};
58
59
60void
61__gconv_get_builtin_trans (const char *name, struct __gconv_step *step)
62{
63 size_t cnt;
64
65 for (cnt = 0; cnt < sizeof (map) / sizeof (map[0]); ++cnt)
66 if (strcmp (name, map[cnt].name) == 0)
67 break;
68
69 assert (cnt < sizeof (map) / sizeof (map[0]));
70
71 step->__fct = map[cnt].fct;
72 step->__btowc_fct = map[cnt].btowc_fct;
73 step->__init_fct = NULL;
74 step->__end_fct = NULL;
75 step->__shlib_handle = NULL;
76 step->__modname = NULL;
77
78 step->__min_needed_from = map[cnt].min_needed_from;
79 step->__max_needed_from = map[cnt].max_needed_from;
80 step->__min_needed_to = map[cnt].min_needed_to;
81 step->__max_needed_to = map[cnt].max_needed_to;
82
83 /* None of the builtin converters handles stateful encoding. */
84 step->__stateful = 0;
85}
86