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-rw-r--r--src/corelib/tools/qhash.h64
1 files changed, 30 insertions, 34 deletions
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
index f68b02be2c..1d76a2b3d1 100644
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@@ -66,44 +66,40 @@ class QString;
class QStringRef;
class QLatin1String;
-inline uint qHash(char key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
-inline uint qHash(uchar key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
-inline uint qHash(signed char key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
-inline uint qHash(ushort key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
-inline uint qHash(short key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
-inline uint qHash(uint key, uint seed = 0) Q_DECL_NOTHROW { return key ^ seed; }
-inline uint qHash(int key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
-inline uint qHash(ulong key, uint seed = 0) Q_DECL_NOTHROW
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qHashBits(const void *p, size_t size, uint seed = 0) Q_DECL_NOTHROW;
+
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(char key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(uchar key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(signed char key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(ushort key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(short key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(uint key, uint seed = 0) Q_DECL_NOTHROW { return key ^ seed; }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(int key, uint seed = 0) Q_DECL_NOTHROW { return uint(key) ^ seed; }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(ulong key, uint seed = 0) Q_DECL_NOTHROW
{
- if (sizeof(ulong) > sizeof(uint)) {
- return uint(((key >> (8 * sizeof(uint) - 1)) ^ key) & (~0U)) ^ seed;
- } else {
- return uint(key & (~0U)) ^ seed;
- }
+ return (sizeof(ulong) > sizeof(uint))
+ ? (uint(((key >> (8 * sizeof(uint) - 1)) ^ key) & (~0U)) ^ seed)
+ : (uint(key & (~0U)) ^ seed);
}
-inline uint qHash(long key, uint seed = 0) Q_DECL_NOTHROW { return qHash(ulong(key), seed); }
-inline uint qHash(quint64 key, uint seed = 0) Q_DECL_NOTHROW
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(long key, uint seed = 0) Q_DECL_NOTHROW { return qHash(ulong(key), seed); }
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(quint64 key, uint seed = 0) Q_DECL_NOTHROW
{
- if (sizeof(quint64) > sizeof(uint)) {
- return uint(((key >> (8 * sizeof(uint) - 1)) ^ key) & (~0U)) ^ seed;
- } else {
- return uint(key & (~0U)) ^ seed;
- }
+ return uint(((key >> (8 * sizeof(uint) - 1)) ^ key) & (~0U)) ^ seed;
}
-inline uint qHash(qint64 key, uint seed = 0) Q_DECL_NOTHROW { return qHash(quint64(key), seed); }
-Q_CORE_EXPORT uint qHash(float key, uint seed = 0) Q_DECL_NOTHROW;
-Q_CORE_EXPORT uint qHash(double key, uint seed = 0) Q_DECL_NOTHROW;
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(qint64 key, uint seed = 0) Q_DECL_NOTHROW { return qHash(quint64(key), seed); }
+Q_CORE_EXPORT Q_DECL_CONST_FUNCTION uint qHash(float key, uint seed = 0) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_CONST_FUNCTION uint qHash(double key, uint seed = 0) Q_DECL_NOTHROW;
#ifndef Q_OS_DARWIN
-Q_CORE_EXPORT uint qHash(long double key, uint seed = 0) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_CONST_FUNCTION uint qHash(long double key, uint seed = 0) Q_DECL_NOTHROW;
#endif
-inline uint qHash(QChar key, uint seed = 0) Q_DECL_NOTHROW { return qHash(key.unicode(), seed); }
-Q_CORE_EXPORT uint qHash(const QByteArray &key, uint seed = 0) Q_DECL_NOTHROW;
-Q_CORE_EXPORT uint qHash(const QString &key, uint seed = 0) Q_DECL_NOTHROW;
-Q_CORE_EXPORT uint qHash(const QStringRef &key, uint seed = 0) Q_DECL_NOTHROW;
-Q_CORE_EXPORT uint qHash(const QBitArray &key, uint seed = 0) Q_DECL_NOTHROW;
-Q_CORE_EXPORT uint qHash(QLatin1String key, uint seed = 0) Q_DECL_NOTHROW;
-Q_CORE_EXPORT uint qt_hash(const QString &key) Q_DECL_NOTHROW;
-Q_CORE_EXPORT uint qt_hash(const QStringRef &key) Q_DECL_NOTHROW;
+Q_DECL_CONST_FUNCTION Q_DECL_CONSTEXPR inline uint qHash(const QChar key, uint seed = 0) Q_DECL_NOTHROW { return qHash(key.unicode(), seed); }
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qHash(const QByteArray &key, uint seed = 0) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qHash(const QString &key, uint seed = 0) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qHash(const QStringRef &key, uint seed = 0) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qHash(const QBitArray &key, uint seed = 0) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qHash(QLatin1String key, uint seed = 0) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qt_hash(const QString &key) Q_DECL_NOTHROW;
+Q_CORE_EXPORT Q_DECL_PURE_FUNCTION uint qt_hash(const QStringRef &key) Q_DECL_NOTHROW;
template <class T> inline uint qHash(const T *key, uint seed = 0) Q_DECL_NOTHROW
{
@@ -301,7 +297,7 @@ public:
inline QHash(std::initializer_list<std::pair<Key,T> > list)
: d(const_cast<QHashData *>(&QHashData::shared_null))
{
- reserve(list.size());
+ reserve(int(list.size()));
for (typename std::initializer_list<std::pair<Key,T> >::const_iterator it = list.begin(); it != list.end(); ++it)
insert(it->first, it->second);
}
@@ -979,7 +975,7 @@ public:
#ifdef Q_COMPILER_INITIALIZER_LISTS
inline QMultiHash(std::initializer_list<std::pair<Key,T> > list)
{
- this->reserve(list.size());
+ this->reserve(int(list.size()));
for (typename std::initializer_list<std::pair<Key,T> >::const_iterator it = list.begin(); it != list.end(); ++it)
insert(it->first, it->second);
}