libshiboken: Fix/Silence some MSVC warnings

autodecref.h(110): warning C4522: 'Shiboken::AutoDecRef': multiple assignment operators specified
autodecref.h(78): warning C4800: 'PyObject *const ': forcing value to bool 'true' or 'false' (performance warning)
conversions.h(282): warning C4800: 'long': forcing value to bool 'true' or 'false' (performance warning)
basewrapper.cpp(625): warning C4800: 'int': forcing value to bool 'true' or 'false' (performance warning)
basewrapper.cpp(654): warning C4800: 'SpecialCastFunction': forcing value to bool 'true' or 'false' (performance warning)
basewrapper.cpp(1014): warning C4800: 'Shiboken::ParentInfo *': forcing value to bool 'true' or 'false' (performance warning)
basewrapper.cpp(1044): warning C4800: 'void *': forcing value to bool 'true' or 'false' (performance warning)
helper.cpp(56): warning C4244: 'initializing': conversion from 'Py_ssize_t' to 'int', possible loss of data
shibokenbuffer.cpp(46): warning C4800: 'int': forcing value to bool 'true' or 'false' (performance warning)

Change-Id: If1517fde8e7670f258a56f6d845a66ebb3d82141
Reviewed-by: Christian Tismer <tismer@stackless.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/sources/shiboken2/libshiboken/basewrapper.cpp b/sources/shiboken2/libshiboken/basewrapper.cpp
index b3f99a8a5..b319fea7e 100644
--- a/sources/shiboken2/libshiboken/basewrapper.cpp
+++ b/sources/shiboken2/libshiboken/basewrapper.cpp
@@ -624,7 +624,7 @@ namespace ObjectType
 
 bool checkType(PyTypeObject* type)
 {
-    return PyType_IsSubtype(type, reinterpret_cast<PyTypeObject*>(&SbkObject_Type));
+    return PyType_IsSubtype(type, reinterpret_cast<PyTypeObject*>(&SbkObject_Type)) != 0;
 }
 
 bool isUserType(PyTypeObject* type)
@@ -653,7 +653,7 @@ void* callExternalCppConversion(SbkObjectType*, PyObject*) { return 0; }
 
 bool hasCast(SbkObjectType* type)
 {
-    return type->d->mi_specialcast;
+    return type->d->mi_specialcast != 0;
 }
 
 void* cast(SbkObjectType* sourceType, SbkObject* obj, PyTypeObject* targetType)
@@ -1013,7 +1013,7 @@ void makeValid(SbkObject* self)
 
 bool hasParentInfo(SbkObject* pyObj)
 {
-    return pyObj->d->parentInfo;
+    return pyObj->d->parentInfo != 0;
 }
 
 void* cppPointer(SbkObject* pyObj, PyTypeObject* desiredType)
@@ -1043,7 +1043,7 @@ bool setCppPointer(SbkObject* sbkObj, PyTypeObject* desiredType, void* cptr)
     if (reinterpret_cast<SbkObjectType*>(Py_TYPE(sbkObj))->d->is_multicpp)
         idx = getTypeIndexOnHierarchy(Py_TYPE(sbkObj), desiredType);
 
-    bool alreadyInitialized = sbkObj->d->cptr[idx];
+    const bool alreadyInitialized = sbkObj->d->cptr[idx] != 0;
     if (alreadyInitialized)
         PyErr_SetString(PyExc_RuntimeError, "You can't initialize an object twice!");
     else