1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* Mapping tables for EUC-KR handling.
Copyright (C) 1998-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jungshik Shin <jshin@pantheon.yale.edu>
and Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stdint.h>
#include <ksc5601.h>
static inline void
__attribute ((always_inline))
euckr_from_ucs4 (uint32_t ch, unsigned char *cp)
{
if (ch > 0x9f)
{
if (__builtin_expect (ch, 0) == 0x20a9)
{
/* Half-width Korean Currency WON sign. There is no
equivalent in EUC-KR. Some mappings use \x5c because
this is what some old Korean ASCII variants used but this
is causing problems. We map it to the FULL WIDTH WON SIGN. */
cp[0] = '\xa3';
cp[1] = '\xdc';
}
else if (__builtin_expect (ucs4_to_ksc5601 (ch, cp, 2), 0)
!= __UNKNOWN_10646_CHAR)
{
cp[0] |= 0x80;
cp[1] |= 0x80;
}
else
cp[0] = cp[1] = '\0';
}
else
{
/* There is no mapping for U005c but we nevertheless map it to
\x5c. */
cp[0] = (unsigned char) ch;
cp[1] = '\0';
}
}
/* Definitions used in the body of the `gconv' function. */
#define CHARSET_NAME "EUC-KR//"
#define FROM_LOOP from_euc_kr
#define TO_LOOP to_euc_kr
#define DEFINE_INIT 1
#define DEFINE_FINI 1
#define MIN_NEEDED_FROM 1
#define MAX_NEEDED_FROM 2
#define MIN_NEEDED_TO 4
#define ONE_DIRECTION 0
/* First define the conversion function from EUC-KR to UCS4. */
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
uint32_t ch = *inptr; \
\
if (ch <= 0x9f) \
++inptr; \
/* 0xfe(->0x7e : row 94) and 0xc9(->0x59 : row 41) are \
user-defined areas. */ \
else if (__builtin_expect (ch == 0xa0, 0) \
|| __builtin_expect (ch > 0xfe, 0) \
|| __builtin_expect (ch == 0xc9, 0)) \
{ \
/* This is illegal. */ \
STANDARD_FROM_LOOP_ERR_HANDLER (1); \
} \
else \
{ \
/* Two-byte character. First test whether the next byte \
is also available. */ \
ch = ksc5601_to_ucs4 (&inptr, inend - inptr, 0x80); \
if (__glibc_unlikely (ch == 0)) \
{ \
/* The second byte is not available. */ \
result = __GCONV_INCOMPLETE_INPUT; \
break; \
} \
if (__glibc_unlikely (ch == __UNKNOWN_10646_CHAR)) \
/* This is an illegal character. */ \
STANDARD_FROM_LOOP_ERR_HANDLER (2); \
} \
\
put32 (outptr, ch); \
outptr += 4; \
}
#define LOOP_NEED_FLAGS
#define ONEBYTE_BODY \
{ \
if (c <= 0x9f) \
return c; \
else \
return WEOF; \
}
#include <iconv/loop.c>
/* Next, define the other direction. */
#define MIN_NEEDED_INPUT MIN_NEEDED_TO
#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
#define LOOPFCT TO_LOOP
#define BODY \
{ \
uint32_t ch = get32 (inptr); \
unsigned char cp[2]; \
\
/* Decomposing Hangul syllables not available in KS C 5601 into \
Jamos should be considered either here or in euckr_from_ucs4() */ \
euckr_from_ucs4 (ch, cp); \
\
if (__builtin_expect (cp[0], '\1') == '\0' && ch != 0) \
{ \
UNICODE_TAG_HANDLER (ch, 4); \
\
/* Illegal character. */ \
STANDARD_TO_LOOP_ERR_HANDLER (4); \
} \
\
*outptr++ = cp[0]; \
/* Now test for a possible second byte and write this if possible. */ \
if (cp[1] != '\0') \
{ \
if (__glibc_unlikely (outptr >= outend)) \
{ \
/* The result does not fit into the buffer. */ \
--outptr; \
result = __GCONV_FULL_OUTPUT; \
break; \
} \
*outptr++ = cp[1]; \
} \
\
inptr += 4; \
}
#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>
|
GitWeb