1. misc compilation (errors, warnings) fixes (from the build logs)

2. fixed a bug in wxGTK::wxGetResource


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5118 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/date.h

@@ -179,11 +179,11 @@ public:
 
     wxDate Previous(int dayOfWeek) const
     {
+        wxDate prev = *this;
         int dow = GetDayOfWeek();
-        if ( dayOfWeek <= dow )
-            return *this - (dow - dayOfWeek);
-        else
-            return *this - 7 + (dayOfWeek - dow);
+        prev -= dayOfWeek > dow ? 7 - (dayOfWeek - dow) : dow - dayOfWeek;
+
+        return prev;
     }
 
     wxString FormatDate(int type = -1) const

include/wx/datetime.h

@@ -848,7 +848,7 @@ public:
         // default to Today() otherwise)
     const wxChar *ParseFormat(const wxChar *date,
                               const wxChar *format = _T("%c"),
-                              const wxDateTime& dateDef = ms_InvDateTime);
+                              const wxDateTime& dateDef = wxDateTime::ms_InvDateTime);
         // parse a string containing the date/time in "free" format, this
         // function will try to make an educated guess at the string contents
     const wxChar *ParseDateTime(const wxChar *datetime);

include/wx/datetime.inl

@@ -401,10 +401,10 @@ wxDateSpan::operator+=(const wxDateSpan& other)
 
 wxDateSpan& wxDateSpan::Multiply(int factor)
 {
-    m_years *= m_years;
-    m_months *= m_months;
-    m_weeks *= m_weeks;
-    m_days *= m_days;
+    m_years *= factor;
+    m_months *= factor;
+    m_weeks *= factor;
+    m_days *= factor;
 
     return *this;
 }

include/wx/longlong.h

@@ -55,14 +55,10 @@
         #error "See the documentation on the 'longlong' pragma."
     #endif
 #else // no native long long type
-    // we don't give warnings for the compilers we know about that they don't
-    // have any 64 bit integer type
-    #if 0 // !defined(__VISAGECPP__) && \
-        !defined(__VISUALC__) && \
-        !defined(__BORLANDC__)
-        #warning "Your compiler does not appear to support 64 bit integers, "\
-                 "using emulation class instead."
-    #endif // known compilers without long long
+    // both warning and pragma warning are not portable, but at least an
+    // unknown pragma should never be an error
+    #pragma warning "Your compiler does not appear to support 64 bit "\
+                    "integers, using emulation class instead."
 
     #define wxUSE_LONGLONG_WX 1
 #endif // compiler