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04be94a8 | 1 | /* Generic conversion to and from 8bit charsets. |
b168057a | 2 | Copyright (C) 1997-2015 Free Software Foundation, Inc. |
f4017d20 UD |
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 | |
41bdb6e2 AJ |
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. | |
f4017d20 UD |
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 | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
f4017d20 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
f4017d20 | 19 | |
55985355 | 20 | #include <dlfcn.h> |
e054f494 | 21 | #include <stdint.h> |
55985355 | 22 | |
8619129f UD |
23 | #define FROM_LOOP from_generic |
24 | #define TO_LOOP to_generic | |
25 | #define DEFINE_INIT 1 | |
26 | #define DEFINE_FINI 1 | |
27 | #define MIN_NEEDED_FROM 1 | |
28 | #define MIN_NEEDED_TO 4 | |
0cdddc25 | 29 | #define ONE_DIRECTION 0 |
8619129f UD |
30 | |
31 | ||
32 | /* First define the conversion function from the 8bit charset 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 | { \ | |
38 | uint32_t ch = to_ucs4[*inptr]; \ | |
39 | \ | |
e438a468 | 40 | if (HAS_HOLES && __builtin_expect (ch == L'\0', 0) && *inptr != '\0') \ |
8619129f UD |
41 | { \ |
42 | /* This is an illegal character. */ \ | |
e438a468 | 43 | STANDARD_FROM_LOOP_ERR_HANDLER (1); \ |
8619129f UD |
44 | } \ |
45 | \ | |
77e1d15a UD |
46 | put32 (outptr, ch); \ |
47 | outptr += 4; \ | |
8619129f UD |
48 | ++inptr; \ |
49 | } | |
55985355 | 50 | #define LOOP_NEED_FLAGS |
f9ad060c UD |
51 | #define ONEBYTE_BODY \ |
52 | { \ | |
53 | uint32_t ch = to_ucs4[c]; \ | |
54 | \ | |
55 | if (HAS_HOLES && __builtin_expect (ch == L'\0', 0) && c != '\0') \ | |
56 | return WEOF; \ | |
57 | else \ | |
58 | return ch; \ | |
59 | } | |
8619129f UD |
60 | #include <iconv/loop.c> |
61 | ||
62 | ||
63 | /* Next, define the other direction. */ | |
64 | #define MIN_NEEDED_INPUT MIN_NEEDED_TO | |
65 | #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM | |
66 | #define LOOPFCT TO_LOOP | |
67 | #define BODY \ | |
68 | { \ | |
77e1d15a | 69 | uint32_t ch = get32 (inptr); \ |
8619129f | 70 | \ |
5ea1a82d UD |
71 | if (__builtin_expect (ch >= sizeof (from_ucs4) / sizeof (from_ucs4[0]), 0)\ |
72 | || (__builtin_expect (from_ucs4[ch], '\1') == '\0' && ch != 0)) \ | |
8619129f | 73 | { \ |
601d2942 UD |
74 | UNICODE_TAG_HANDLER (ch, 4); \ |
75 | \ | |
8619129f | 76 | /* This is an illegal character. */ \ |
e438a468 | 77 | STANDARD_TO_LOOP_ERR_HANDLER (4); \ |
55985355 | 78 | } \ |
d6204268 UD |
79 | \ |
80 | *outptr++ = from_ucs4[ch]; \ | |
81 | inptr += 4; \ | |
8619129f | 82 | } |
55985355 | 83 | #define LOOP_NEED_FLAGS |
8619129f UD |
84 | #include <iconv/loop.c> |
85 | ||
86 | ||
87 | /* Now define the toplevel functions. */ | |
88 | #include <iconv/skeleton.c> |