1 | /* Table for builtin transformation mapping. |
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 <endian.h> |
21 | #include <limits.h> |
22 | #include <stdint.h> |
23 | #include <string.h> |
24 | |
25 | #include <gconv_int.h> |
26 | |
27 | #include <assert.h> |
28 | |
29 | |
30 | static const struct builtin_map |
31 | { |
32 | const char *name; |
33 | __gconv_fct fct; |
34 | __gconv_btowc_fct btowc_fct; |
35 | |
36 | int8_t min_needed_from; |
37 | int8_t max_needed_from; |
38 | int8_t min_needed_to; |
39 | int8_t max_needed_to; |
40 | |
41 | } map[] = |
42 | { |
43 | #define BUILTIN_TRANSFORMATION(From, To, Cost, Name, Fct, BtowcFct, \ |
44 | MinF, MaxF, MinT, MaxT) \ |
45 | { \ |
46 | .name = Name, \ |
47 | .fct = Fct, \ |
48 | .btowc_fct = BtowcFct, \ |
49 | \ |
50 | .min_needed_from = MinF, \ |
51 | .max_needed_from = MaxF, \ |
52 | .min_needed_to = MinT, \ |
53 | .max_needed_to = MaxT \ |
54 | }, |
55 | #define BUILTIN_ALIAS(From, To) |
56 | |
57 | #include <gconv_builtin.h> |
58 | }; |
59 | |
60 | |
61 | void |
62 | __gconv_get_builtin_trans (const char *name, struct __gconv_step *step) |
63 | { |
64 | size_t cnt; |
65 | |
66 | for (cnt = 0; cnt < sizeof (map) / sizeof (map[0]); ++cnt) |
67 | if (strcmp (name, map[cnt].name) == 0) |
68 | break; |
69 | |
70 | assert (cnt < sizeof (map) / sizeof (map[0])); |
71 | |
72 | step->__fct = map[cnt].fct; |
73 | step->__btowc_fct = map[cnt].btowc_fct; |
74 | step->__init_fct = NULL; |
75 | step->__end_fct = NULL; |
76 | step->__shlib_handle = NULL; |
77 | step->__modname = NULL; |
78 | |
79 | step->__min_needed_from = map[cnt].min_needed_from; |
80 | step->__max_needed_from = map[cnt].max_needed_from; |
81 | step->__min_needed_to = map[cnt].min_needed_to; |
82 | step->__max_needed_to = map[cnt].max_needed_to; |
83 | |
84 | /* None of the builtin converters handles stateful encoding. */ |
85 | step->__stateful = 0; |
86 | } |
87 | |