Fix some MSVC int conversion warnings

kernel\qmetaobjectbuilder.cpp(1279): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
kernel\qmetaobjectbuilder.cpp(1432): warning C4267: '+=': conversion from 'size_t' to 'int', possible loss of data
sax\qxml.cpp(1275): warning C4267: 'argument': conversion from 'size_t' to 'int', possible loss of data
text\qfontsubset.cpp(920): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
text\qfontsubset.cpp(920): warning C4267: 'initializing': conversion from 'size_t' to 'const int', possible loss of data
text\qtextengine.cpp(2664): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
text\qtextengine.cpp(2665): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
text\qtextengine.cpp(2706): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
text\qtextengine.cpp(2707): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
itemviews\qbsptree.cpp(60): warning C4334: '<<': result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)
kernel\qprintengine_win.cpp(1558): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
qsql_odbc.cpp(804): warning C4267: 'argument': conversion from 'size_t' to 'SQLINTEGER', possible loss of data
qsql_odbc.cpp(822): warning C4267: 'argument': conversion from 'size_t' to 'SQLINTEGER', possible loss of data
qsql_odbc.cpp(1585): warning C4267: 'initializing': conversion from 'size_t' to 'int', possible loss of data
qsql_odbc.cpp(1602): warning C4267: 'argument': conversion from 'size_t' to 'int', possible loss of data
qwindowsmime.cpp(770): warning C4267: '+=': conversion from 'size_t' to 'int', possible loss of data
windows\qwindowsmime.cpp(770): warning C4267: '+=': conversion from 'size_t' to 'int', possible loss of data

Change-Id: I04fbe17b9782f4c2704933fc005449b1e992475e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

2 files changed, 7 insertions, 6 deletions

diff --git a/src/plugins/platforms/windows/qwindowsmime.cpp b/src/plugins/platforms/windows/qwindowsmime.cpp
index e4a7777c4e..59fc7f3a35 100644
--- a/src/plugins/platforms/windows/qwindowsmime.cpp
+++ b/src/plugins/platforms/windows/qwindowsmime.cpp
@@ -763,7 +763,7 @@ bool QWindowsMimeURI::convertFromMime(const FORMATETC &formatetc, const QMimeDat
         if (getCf(formatetc) == CF_HDROP) {
             const auto &urls = mimeData->urls();
             QStringList fileNames;
-            int size = sizeof(DROPFILES)+2;
+            size_t size = sizeof(DROPFILES) + 2;
             for (const QUrl &url : urls) {
                 const QString fn = QDir::toNativeSeparators(url.toLocalFile());
                 if (!fn.isEmpty()) {
@@ -772,7 +772,7 @@ bool QWindowsMimeURI::convertFromMime(const FORMATETC &formatetc, const QMimeDat
                 }
             }
 
-            QByteArray result(size, '\0');
+            QByteArray result(int(size), '\0');
             auto* d = reinterpret_cast<DROPFILES *>(result.data());
             d->pFiles = sizeof(DROPFILES);
             GetCursorPos(&d->pt); // try
diff --git a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
index 03c197053a..8b3dc57e76 100644
--- a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
+++ b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
@@ -801,7 +801,7 @@ bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts)
             val.utf16(); // 0 terminate
             r = SQLSetConnectAttr(hDbc, SQL_ATTR_CURRENT_CATALOG,
                                     toSQLTCHAR(val).data(),
-                                    val.length()*sizeof(SQLTCHAR));
+                                    SQLINTEGER(val.length() * sizeof(SQLTCHAR)));
         } else if (opt.toUpper() == QLatin1String("SQL_ATTR_METADATA_ID")) {
             if (val.toUpper() == QLatin1String("SQL_TRUE")) {
                 v = SQL_TRUE;
@@ -819,7 +819,7 @@ bool QODBCDriverPrivate::setConnectionOptions(const QString& connOpts)
             val.utf16(); // 0 terminate
             r = SQLSetConnectAttr(hDbc, SQL_ATTR_TRACEFILE,
                                     toSQLTCHAR(val).data(),
-                                    val.length()*sizeof(SQLTCHAR));
+                                    SQLINTEGER(val.length() * sizeof(SQLTCHAR)));
         } else if (opt.toUpper() == QLatin1String("SQL_ATTR_TRACE")) {
             if (val.toUpper() == QLatin1String("SQL_OPT_TRACE_OFF")) {
                 v = SQL_OPT_TRACE_OFF;
@@ -1582,7 +1582,7 @@ bool QODBCResult::exec()
                     QString str = val.toString();
                     if (*ind != SQL_NULL_DATA)
                         *ind = str.length() * sizeof(SQLTCHAR);
-                    int strSize = str.length() * sizeof(SQLTCHAR);
+                    const qsizetype strSize = str.length() * sizeof(SQLTCHAR);
 
                     if (bindValueType(i) & QSql::Out) {
                         const QVarLengthArray<SQLTCHAR> a(toSQLTCHAR(str));
@@ -1599,7 +1599,8 @@ bool QODBCResult::exec()
                                             ind);
                         break;
                     }
-                    ba = QByteArray ((const char *)toSQLTCHAR(str).constData(), str.size()*sizeof(SQLTCHAR));
+                    ba = QByteArray(reinterpret_cast<const char *>(toSQLTCHAR(str).constData()),
+                                    int(strSize));
                     r = SQLBindParameter(d->hStmt,
                                           i + 1,
                                           qParamType[bindValueType(i) & QSql::InOut],