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
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBYTEARRAYALGORITHMS_H
#define QBYTEARRAYALGORITHMS_H
#include <QtCore/qnamespace.h>
#include <string.h>
#include <stdarg.h>
#if 0
#pragma qt_class(QByteArrayAlgorithms)
#endif
QT_BEGIN_NAMESPACE
class QByteArrayView;
namespace QtPrivate {
[[nodiscard]] Q_CORE_EXPORT Q_DECL_PURE_FUNCTION
bool startsWith(QByteArrayView haystack, QByteArrayView needle) noexcept;
[[nodiscard]] Q_CORE_EXPORT Q_DECL_PURE_FUNCTION
bool endsWith(QByteArrayView haystack, QByteArrayView needle) noexcept;
[[nodiscard]] Q_CORE_EXPORT Q_DECL_PURE_FUNCTION
qsizetype findByteArray(QByteArrayView haystack, qsizetype from, QByteArrayView needle) noexcept;
[[nodiscard]] Q_CORE_EXPORT Q_DECL_PURE_FUNCTION
qsizetype lastIndexOf(QByteArrayView haystack, qsizetype from, QByteArrayView needle) noexcept;
[[nodiscard]] Q_CORE_EXPORT Q_DECL_PURE_FUNCTION
qsizetype count(QByteArrayView haystack, QByteArrayView needle) noexcept;
[[nodiscard]] Q_CORE_EXPORT int compareMemory(QByteArrayView lhs, QByteArrayView rhs);
[[nodiscard]] Q_CORE_EXPORT Q_DECL_PURE_FUNCTION QByteArrayView trimmed(QByteArrayView s) noexcept;
[[nodiscard]] Q_CORE_EXPORT Q_DECL_PURE_FUNCTION bool isValidUtf8(QByteArrayView s) noexcept;
} // namespace QtPrivate
/*****************************************************************************
Safe and portable C string functions; extensions to standard string.h
*****************************************************************************/
Q_CORE_EXPORT char *qstrdup(const char *);
inline size_t qstrlen(const char *str)
{
QT_WARNING_PUSH
#if defined(Q_CC_GNU) && Q_CC_GNU >= 900 && Q_CC_GNU < 1000
// spurious compiler warning (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91490#c6)
// when Q_DECLARE_METATYPE_TEMPLATE_1ARG is used
QT_WARNING_DISABLE_GCC("-Wstringop-overflow")
#endif
return str ? strlen(str) : 0;
QT_WARNING_POP
}
inline size_t qstrnlen(const char *str, size_t maxlen)
{
if (!str)
return 0;
auto end = static_cast<const char *>(memchr(str, '\0', maxlen));
return end ? end - str : maxlen;
}
// implemented in qbytearray.cpp
Q_CORE_EXPORT char *qstrcpy(char *dst, const char *src);
Q_CORE_EXPORT char *qstrncpy(char *dst, const char *src, size_t len);
Q_CORE_EXPORT int qstrcmp(const char *str1, const char *str2);
inline int qstrncmp(const char *str1, const char *str2, size_t len)
{
return (str1 && str2) ? strncmp(str1, str2, len)
: (str1 ? 1 : (str2 ? -1 : 0));
}
Q_CORE_EXPORT int qstricmp(const char *, const char *);
Q_CORE_EXPORT int qstrnicmp(const char *, const char *, size_t len);
Q_CORE_EXPORT int qstrnicmp(const char *, qsizetype, const char *, qsizetype = -1);
// implemented in qvsnprintf.cpp
Q_CORE_EXPORT int qvsnprintf(char *str, size_t n, const char *fmt, va_list ap);
Q_CORE_EXPORT int qsnprintf(char *str, size_t n, const char *fmt, ...);
// qChecksum: Internet checksum
Q_CORE_EXPORT quint16 qChecksum(QByteArrayView data, Qt::ChecksumType standard = Qt::ChecksumIso3309);
QT_END_NAMESPACE
#endif // QBYTEARRAYALGORITHMS_H
|
