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
|
/* Generic conversion to and from 8bit charsets,
converting from UCS using gaps.
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <dlfcn.h>
#include <stdint.h>
struct gap
{
uint16_t start;
uint16_t end;
int32_t idx;
};
/* Now we can include the tables. */
#include TABLES
#define FROM_LOOP from_gap
#define TO_LOOP to_gap
#define DEFINE_INIT 1
#define DEFINE_FINI 1
#define MIN_NEEDED_FROM 1
#define MIN_NEEDED_TO 4
/* First define the conversion function from the 8bit charset to UCS4. */
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
uint32_t ch = to_ucs4[*inptr]; \
\
if (HAS_HOLES && __builtin_expect (ch, L'\1') == L'\0' && *inptr != '\0') \
{ \
/* This is an illegal character. */ \
if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
++*irreversible; \
} \
else \
{ \
put32 (outptr, ch); \
outptr += 4; \
} \
\
++inptr; \
}
#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
/* Next, define the other direction. */
#define MIN_NEEDED_INPUT MIN_NEEDED_TO
#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
#define LOOPFCT TO_LOOP
#define BODY \
{ \
const struct gap *rp = from_idx; \
uint32_t ch = get32 (inptr); \
unsigned char res; \
\
if (__builtin_expect (ch, 0) >= 0xffff) \
{ \
/* This is an illegal character. */ \
if (step_data->__trans.__trans_fct != NULL) \
{ \
result = DL_CALL_FCT (step_data->__trans.__trans_fct, \
(step, step_data, *inptrp, &inptr, inend, \
*outptrp, &outptr, outend, irreversible)); \
if (result != __GCONV_OK) \
break; \
} \
else if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
\
++*irreversible; \
inptr += 4; \
continue; \
} \
while (ch > rp->end) \
++rp; \
if (__builtin_expect (ch < rp->start, 0)) \
{ \
/* This is an illegal character. */ \
if (step_data->__trans.__trans_fct != NULL) \
{ \
result = DL_CALL_FCT (step_data->__trans.__trans_fct, \
(step, step_data, *inptrp, &inptr, inend, \
*outptrp, &outptr, outend, irreversible)); \
if (result != __GCONV_OK) \
break; \
} \
else if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
else \
{ \
++*irreversible; \
inptr += 4; \
} \
continue; \
} \
\
res = from_ucs4[ch + rp->idx]; \
if (__builtin_expect (res, '\1') == '\0' && ch != 0) \
{ \
/* This is an illegal character. */ \
if (step_data->__trans.__trans_fct != NULL) \
{ \
result = DL_CALL_FCT (step_data->__trans.__trans_fct, \
(step, step_data, *inptrp, &inptr, inend, \
*outptrp, &outptr, outend, irreversible)); \
if (result != __GCONV_OK) \
break; \
} \
else if (! ignore_errors_p ()) \
{ \
result = __GCONV_ILLEGAL_INPUT; \
break; \
} \
else \
{ \
++*irreversible; \
inptr += 4; \
} \
continue; \
} \
\
*outptr++ = res; \
inptr += 4; \
}
#define LOOP_NEED_FLAGS
#include <iconv/loop.c>
/* Now define the toplevel functions. */
#include <iconv/skeleton.c>
|
