Merge branch '4.5' of git@scm.dev.nokia.troll.no:qt/qt

Conflicts:
	src/corelib/io/qfile.cpp
	src/corelib/kernel/qsharedmemory_unix.cpp
	src/network/socket/qnativesocketengine_p.h
	src/network/socket/qnativesocketengine_unix.cpp

4 files changed, 57 insertions, 80 deletions

diff --git a/src/network/socket/qhttpsocketengine.cpp b/src/network/socket/qhttpsocketengine.cpp
index 540c443..5a2a746 100644
--- a/src/network/socket/qhttpsocketengine.cpp
+++ b/src/network/socket/qhttpsocketengine.cpp
@@ -768,6 +768,6 @@ QAbstractSocketEngine *QHttpSocketEngineHandler::createSocketEngine(int, QObject
     return 0;
 }
 
-#endif
-
 QT_END_NAMESPACE
+
+#endif
diff --git a/src/network/socket/qnativesocketengine_p.h b/src/network/socket/qnativesocketengine_p.h
index 515ad84..95ffba5 100644
--- a/src/network/socket/qnativesocketengine_p.h
+++ b/src/network/socket/qnativesocketengine_p.h
@@ -55,9 +55,9 @@
 #include "QtNetwork/qhostaddress.h"
 #include "private/qabstractsocketengine_p.h"
 #ifndef Q_OS_WIN
-#include "qplatformdefs.h"
+# include "qplatformdefs.h"
 #else
-#include <Winsock2.h> // sockaddr_storage, sockaddr_in
+# include <winsock2.h>
 #endif
 
 #ifdef Q_OS_SYMBIAN
@@ -227,6 +227,39 @@ static inline int qt_socket_socket(int domain, int type, int protocol)
 
 #endif
 
+// Use our own defines and structs which we know are correct
+#  define QT_SS_MAXSIZE 128
+#  define QT_SS_ALIGNSIZE (sizeof(qint64))
+#  define QT_SS_PAD1SIZE (QT_SS_ALIGNSIZE - sizeof (short))
+#  define QT_SS_PAD2SIZE (QT_SS_MAXSIZE - (sizeof (short) + QT_SS_PAD1SIZE + QT_SS_ALIGNSIZE))
+struct qt_sockaddr_storage {
+      short ss_family;
+      char __ss_pad1[QT_SS_PAD1SIZE];
+      qint64 __ss_align;
+      char __ss_pad2[QT_SS_PAD2SIZE];
+};
+
+// sockaddr_in6 size changed between old and new SDK
+// Only the new version is the correct one, so always
+// use this structure.
+struct qt_in6_addr {
+    quint8 qt_s6_addr[16];
+};
+struct qt_sockaddr_in6 {
+    short   sin6_family;            /* AF_INET6 */
+    quint16 sin6_port;              /* Transport level port number */
+    quint32 sin6_flowinfo;          /* IPv6 flow information */
+    struct  qt_in6_addr sin6_addr;  /* IPv6 address */
+    quint32 sin6_scope_id;          /* set of interfaces for a scope */
+};
+
+union qt_sockaddr {
+    sockaddr a;
+    sockaddr_in a4;
+    qt_sockaddr_in6 a6;
+    qt_sockaddr_storage storage;
+};
+
 class QNativeSocketEnginePrivate;
 
 class Q_AUTOTEST_EXPORT QNativeSocketEngine : public QAbstractSocketEngine
diff --git a/src/network/socket/qnativesocketengine_unix.cpp b/src/network/socket/qnativesocketengine_unix.cpp
index a3f62db..5136978 100644
--- a/src/network/socket/qnativesocketengine_unix.cpp
+++ b/src/network/socket/qnativesocketengine_unix.cpp
@@ -122,36 +122,34 @@ static void qt_ignore_sigpipe()
     Extracts the port and address from a sockaddr, and stores them in
     \a port and \a addr if they are non-null.
 */
-static inline void qt_socket_getPortAndAddress(struct sockaddr *sa, quint16 *port, QHostAddress *addr)
+static inline void qt_socket_getPortAndAddress(const qt_sockaddr *s, quint16 *port, QHostAddress *addr)
 {
 #if !defined(QT_NO_IPV6)
-    if (sa->sa_family == AF_INET6) {
-        struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
+    if (s->a.sa_family == AF_INET6) {
         Q_IPV6ADDR tmp;
-        memcpy(&tmp, &sa6->sin6_addr.s6_addr, sizeof(tmp));
+        memcpy(&tmp, &s->a6.sin6_addr, sizeof(tmp));
         if (addr) {
             QHostAddress tmpAddress;
             tmpAddress.setAddress(tmp);
             *addr = tmpAddress;
 #ifndef QT_NO_IPV6IFNAME
             char scopeid[IFNAMSIZ];
-            if (::if_indextoname(sa6->sin6_scope_id, scopeid)) {
+            if (::if_indextoname(s->a6.sin6_scope_id, scopeid)) {
                 addr->setScopeId(QLatin1String(scopeid));
             } else
 #endif
-            addr->setScopeId(QString::number(sa6->sin6_scope_id));
+            addr->setScopeId(QString::number(s->a6.sin6_scope_id));
         }
         if (port)
-            *port = ntohs(sa6->sin6_port);
+            *port = ntohs(s->a6.sin6_port);
         return;
     }
 #endif
-    struct sockaddr_in *sa4 = (struct sockaddr_in *)sa;
     if (port)
-        *port = ntohs(sa4->sin_port);
+        *port = ntohs(s->a4.sin_port);
     if (addr) {
         QHostAddress tmpAddress;
-        tmpAddress.setAddress(ntohl(sa4->sin_addr.s_addr));
+        tmpAddress.setAddress(ntohl(s->a4.sin_addr.s_addr));
         *addr = tmpAddress;
     }
 }
@@ -547,26 +545,16 @@ qint64 QNativeSocketEnginePrivate::nativeBytesAvailable() const
 bool QNativeSocketEnginePrivate::nativeHasPendingDatagrams() const
 {
     // Create a sockaddr struct and reset its port number.
-#if !defined(QT_NO_IPV6)
-    struct sockaddr_storage storage;
-    sockaddr_in6 *storagePtrIPv6 = reinterpret_cast<sockaddr_in6 *>(&storage);
-    storagePtrIPv6->sin6_port = 0;
-#else
-    struct sockaddr storage;
-#endif
-    sockaddr *storagePtr = reinterpret_cast<sockaddr *>(&storage);
-    storagePtr->sa_family = 0;
-
-    sockaddr_in *storagePtrIPv4 = reinterpret_cast<sockaddr_in *>(&storage);
-    storagePtrIPv4->sin_port = 0;
+    qt_sockaddr storage;
     QT_SOCKLEN_T storageSize = sizeof(storage);
+    memset(&storage, 0, storageSize);
 
     // Peek 0 bytes into the next message. The size of the message may
     // well be 0, so we can't check recvfrom's return value.
     ssize_t readBytes;
     do {
         char c;
-        readBytes = qt_socket_recvfrom(socketDescriptor, &c, 1, MSG_PEEK, storagePtr, &storageSize);
+        readBytes = qt_socket_recvfrom(socketDescriptor, &c, 1, MSG_PEEK, &storage.a, &storageSize);
     } while (readBytes == -1 && errno == EINTR);
 
     // If there's no error, or if our buffer was too small, there must be a
@@ -618,11 +606,7 @@ qint64 QNativeSocketEnginePrivate::nativePendingDatagramSize() const
 qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxSize,
                                                     QHostAddress *address, quint16 *port)
 {
-#if !defined(QT_NO_IPV6)
-    struct sockaddr_storage aa;
-#else
-    struct sockaddr_in aa;
-#endif
+    qt_sockaddr aa;
     memset(&aa, 0, sizeof(aa));
     QT_SOCKLEN_T sz;
     sz = sizeof(aa);
@@ -631,13 +615,13 @@ qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxS
     do {
         char c;
         recvFromResult = qt_socket_recvfrom(socketDescriptor, maxSize ? data : &c, maxSize ? maxSize : 1,
-                                    0, (struct sockaddr *)&aa, &sz);
+                                    0, &aa.a, &sz);
     } while (recvFromResult == -1 && errno == EINTR);
 
     if (recvFromResult == -1) {
         setError(QAbstractSocket::NetworkError, ReceiveDatagramErrorString);
     } else if (port || address) {
-        qt_socket_getPortAndAddress((struct sockaddr *) &aa, port, address);
+        qt_socket_getPortAndAddress(&aa, port, address);
     }
 
 #if defined (QNATIVESOCKETENGINE_DEBUG)
@@ -716,21 +700,16 @@ bool QNativeSocketEnginePrivate::fetchConnectionParameters()
     if (socketDescriptor == -1)
         return false;
 
-#if !defined(QT_NO_IPV6)
-    struct sockaddr_storage sa;
-#else
-    struct sockaddr_in sa;
-#endif
-    struct sockaddr *sockAddrPtr = (struct sockaddr *) &sa;
+    qt_sockaddr sa;
     QT_SOCKLEN_T sockAddrSize = sizeof(sa);
 
     // Determine local address
     memset(&sa, 0, sizeof(sa));
-    if (qt_socket_getsockname(socketDescriptor, sockAddrPtr, &sockAddrSize) == 0) {
-        qt_socket_getPortAndAddress(sockAddrPtr, &localPort, &localAddress);
+    if (qt_socket_getsockname(socketDescriptor, &sa.a, &sockAddrSize) == 0) {
+        qt_socket_getPortAndAddress(&sa, &localPort, &localAddress);
 
         // Determine protocol family
-        switch (sockAddrPtr->sa_family) {
+        switch (sa.a.sa_family) {
         case AF_INET:
             socketProtocol = QAbstractSocket::IPv4Protocol;
             break;
@@ -750,8 +729,8 @@ bool QNativeSocketEnginePrivate::fetchConnectionParameters()
     }
 
     // Determine the remote address
-    if (!qt_socket_getpeername(socketDescriptor, sockAddrPtr, &sockAddrSize))
-        qt_socket_getPortAndAddress(sockAddrPtr, &peerPort, &peerAddress);
+    if (!qt_socket_getpeername(socketDescriptor, &sa.a, &sockAddrSize))
+        qt_socket_getPortAndAddress(&sa, &peerPort, &peerAddress);
 
     // Determine the socket type (UDP/TCP)
     int value = 0;
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
index d140be2..b08d7b0 100644
--- a/src/network/socket/qnativesocketengine_win.cpp
+++ b/src/network/socket/qnativesocketengine_win.cpp
@@ -149,41 +149,6 @@ static QByteArray qt_prettyDebug(const char *data, int len, int maxLength)
 
 #endif
 
-#if !defined (QT_NO_IPV6)
-
-// Use our own defines and structs which we know are correct
-#  define QT_SS_MAXSIZE 128
-#  define QT_SS_ALIGNSIZE (sizeof(__int64))
-#  define QT_SS_PAD1SIZE (QT_SS_ALIGNSIZE - sizeof (short))
-#  define QT_SS_PAD2SIZE (QT_SS_MAXSIZE - (sizeof (short) + QT_SS_PAD1SIZE + QT_SS_ALIGNSIZE))
-struct qt_sockaddr_storage {
-      short ss_family;
-      char __ss_pad1[QT_SS_PAD1SIZE];
-      __int64 __ss_align;
-      char __ss_pad2[QT_SS_PAD2SIZE];
-};
-
-// sockaddr_in6 size changed between old and new SDK
-// Only the new version is the correct one, so always
-// use this structure.
-struct qt_in6_addr {
-    u_char qt_s6_addr[16];
-};
-typedef struct {
-    short   sin6_family;            /* AF_INET6 */
-    u_short sin6_port;              /* Transport level port number */
-    u_long  sin6_flowinfo;          /* IPv6 flow information */
-    struct  qt_in6_addr sin6_addr;  /* IPv6 address */
-    u_long  sin6_scope_id;          /* set of interfaces for a scope */
-} qt_sockaddr_in6;
-
-#else
-
-typedef void * qt_sockaddr_in6 ;
-
-
-#endif
-
 #ifndef AF_INET6
 #define AF_INET6        23              /* Internetwork Version 6 */
 #endif