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
|
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "tool_setup.h"
#ifdef CURL_DOES_CONVERSIONS
#ifdef HAVE_ICONV
# include <iconv.h>
#endif
#include "tool_convert.h"
#include "memdebug.h" /* keep this as LAST include */
#ifdef HAVE_ICONV
/* curl tool iconv conversion descriptors */
static iconv_t inbound_cd = (iconv_t)-1;
static iconv_t outbound_cd = (iconv_t)-1;
/* set default codesets for iconv */
#ifndef CURL_ICONV_CODESET_OF_NETWORK
# define CURL_ICONV_CODESET_OF_NETWORK "ISO8859-1"
#endif
/*
* convert_to_network() is a curl tool function to convert
* from the host encoding to ASCII on non-ASCII platforms.
*/
CURLcode convert_to_network(char *buffer, size_t length)
{
/* translate from the host encoding to the network encoding */
char *input_ptr, *output_ptr;
size_t res, in_bytes, out_bytes;
/* open an iconv conversion descriptor if necessary */
if(outbound_cd == (iconv_t)-1) {
outbound_cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
CURL_ICONV_CODESET_OF_HOST);
if(outbound_cd == (iconv_t)-1) {
return CURLE_CONV_FAILED;
}
}
/* call iconv */
input_ptr = output_ptr = buffer;
in_bytes = out_bytes = length;
res = iconv(outbound_cd, &input_ptr, &in_bytes,
&output_ptr, &out_bytes);
if((res == (size_t)-1) || (in_bytes != 0)) {
return CURLE_CONV_FAILED;
}
return CURLE_OK;
}
/*
* convert_from_network() is a curl tool function
* for performing ASCII conversions on non-ASCII platforms.
*/
CURLcode convert_from_network(char *buffer, size_t length)
{
/* translate from the network encoding to the host encoding */
char *input_ptr, *output_ptr;
size_t res, in_bytes, out_bytes;
/* open an iconv conversion descriptor if necessary */
if(inbound_cd == (iconv_t)-1) {
inbound_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
CURL_ICONV_CODESET_OF_NETWORK);
if(inbound_cd == (iconv_t)-1) {
return CURLE_CONV_FAILED;
}
}
/* call iconv */
input_ptr = output_ptr = buffer;
in_bytes = out_bytes = length;
res = iconv(inbound_cd, &input_ptr, &in_bytes,
&output_ptr, &out_bytes);
if((res == (size_t)-1) || (in_bytes != 0)) {
return CURLE_CONV_FAILED;
}
return CURLE_OK;
}
void convert_cleanup(void)
{
/* close iconv conversion descriptors */
if(inbound_cd != (iconv_t)-1)
(void)iconv_close(inbound_cd);
if(outbound_cd != (iconv_t)-1)
(void)iconv_close(outbound_cd);
}
#endif /* HAVE_ICONV */
char convert_char(curl_infotype infotype, char this_char)
{
/* determine how this specific character should be displayed */
switch(infotype) {
case CURLINFO_DATA_IN:
case CURLINFO_DATA_OUT:
case CURLINFO_SSL_DATA_IN:
case CURLINFO_SSL_DATA_OUT:
/* data, treat as ASCII */
if((this_char >= 0x20) && (this_char < 0x7f)) {
/* printable ASCII hex value: convert to host encoding */
(void)convert_from_network(&this_char, 1);
}
else {
/* non-printable ASCII, use a replacement character */
return UNPRINTABLE_CHAR;
}
/* fall through to default */
default:
/* treat as host encoding */
if(ISPRINT(this_char)
&& (this_char != '\t')
&& (this_char != '\r')
&& (this_char != '\n')) {
/* printable characters excluding tabs and line end characters */
return this_char;
}
break;
}
/* non-printable, use a replacement character */
return UNPRINTABLE_CHAR;
}
#endif /* CURL_DOES_CONVERSIONS */
|
