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unicode-utils.h
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1 /* unicode-utils.h
2 * Unicode utility definitions
3 *
4 * Wireshark - Network traffic analyzer
5 * By Gerald Combs <gerald@wireshark.org>
6 * Copyright 2006 Gerald Combs
7 *
8 * SPDX-License-Identifier: GPL-2.0-or-later
9 */
10
11 #ifndef __UNICODEUTIL_H__
12 #define __UNICODEUTIL_H__
13
14 #include "ws_symbol_export.h"
15
16 #include <glib.h>
17
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26
27 WS_DLL_PUBLIC
28 int ws_utf8_char_len(guint8 ch);
29
30 #ifdef _WIN32
31
32 #include <windows.h>
33 #include <tchar.h>
34 #include <wchar.h>
35
43 WS_DLL_PUBLIC
44 const wchar_t * utf_8to16(const char *utf8str);
45
52 WS_DLL_PUBLIC
53 void utf_8to16_snprintf(TCHAR *utf16buf, gint utf16buf_len, const gchar* fmt,
54 ...) G_GNUC_PRINTF(3, 4);
55
63 WS_DLL_PUBLIC
64 gchar * utf_16to8(const wchar_t *utf16str);
65
75 WS_DLL_PUBLIC
76 void arg_list_utf_16to8(int argc, char *argv[]);
77
78
79 #endif /* _WIN32 */
80
81 /*
82 * defines for helping with UTF-16 surrogate pairs
83 */
84
85 #define IS_LEAD_SURROGATE(uchar2) \
86 ((uchar2) >= 0xd800 && (uchar2) < 0xdc00)
87 #define IS_TRAIL_SURROGATE(uchar2) \
88 ((uchar2) >= 0xdc00 && (uchar2) < 0xe000)
89 #define SURROGATE_VALUE(lead, trail) \
90 (((((lead) - 0xd800) << 10) | ((trail) - 0xdc00)) + 0x10000)
91
92 #ifdef __cplusplus
93 }
94 #endif
95
96 #endif /* __UNICODEUTIL_H__ */