Common: remove warning for Linux build

ODE: replace fpclassify on std:fpclassify
xrCore: add define XRCORE_EXPORTS, copy _fpclass replacement from ODE

Author: eagleivg

Externals/ode/ode/src/util.h

@@ -26,7 +26,7 @@
 #include "objects.h"
 #include "float.h"
 #if defined(LINUX)
-#include <math.h>
+#include <cmath>
 #endif
 
 void dInternalHandleAutoDisabling (dxWorld *world, dReal stepsize);
@@ -48,7 +48,7 @@ inline bool dValid(const float x)
     if (cls&(_FPCLASS_SNAN+_FPCLASS_QNAN+_FPCLASS_NINF+_FPCLASS_PINF+_FPCLASS_ND+_FPCLASS_PD))
        return false;
 #elif defined(LINUX)
-    int cls = fpclassify((double )x);
+	int cls = std::fpclassify((double )x);
     switch (cls)
     {
     case FP_NAN:

src/Common/PlatformLinux.inl

@@ -196,8 +196,8 @@ typedef dirent DirEntryType;
 #define strcmpi stricmp
 #define lstrcpy strcpy
 #define stricmp strcasecmp
-#define strncpy_s(dest, size, source, num) strncpy(dest, source, num)
-#define strcpy_s(dest, num, source) strcpy(dest, source)
+#define strncpy_s(dest, size, source, num) (NULL == strncpy(dest, source, num))
+#define strcpy_s(dest, num, source) (NULL == strcpy(dest, source))
 #define _vsnprintf vsnprintf
 #define _alloca alloca
 #define _snprintf snprintf

src/xrCore/CMakeLists.txt

@@ -18,6 +18,7 @@ add_dir("${DIRS}")
 
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/../../Externals/pugixml/src ${CMAKE_CURRENT_SOURCE_DIR}/../../sdk/include)
 
+add_definitions(-DXRCORE_EXPORTS)
 add_library(${PROJECT_NAME} SHARED ${${PROJECT_NAME}__SOURCES} ${${PROJECT_NAME}__INCLUDES})
 
 set_target_properties(${PROJECT_NAME} PROPERTIES PREFIX "")

src/xrCore/_std_extensions.h

@@ -92,16 +92,25 @@ IC bool _valid(const float x) noexcept
     if (cls & (_FPCLASS_SNAN + _FPCLASS_QNAN + _FPCLASS_NINF + _FPCLASS_PINF + _FPCLASS_ND + _FPCLASS_PD))
         return false;
 #else
-    #pragma todo("Find Linux alternative for _fpclass. Check https://github.com/mirror/mingw-w64/blob/master/mingw-w64-headers/crt/math.h");
+    int cls = std::fpclassify((double )x);
+    switch (cls)
+    {
+    case FP_NAN:
+    case FP_INFINITE:
+    case FP_SUBNORMAL:
+        return false;
+    default:
+        break;
+    }
 
     /* *****other cases are*****
     _FPCLASS_NN Negative normalized non-zero
     _FPCLASS_NZ Negative zero ( ??? 0)
     _FPCLASS_PZ Positive 0 (+0)
     _FPCLASS_PN Positive normalized non-zero
     */
-    return true;
 #endif
+    return true;
 }
 
 // double
@@ -114,16 +123,24 @@ IC bool _valid(const double x)
     if (cls & (_FPCLASS_SNAN + _FPCLASS_QNAN + _FPCLASS_NINF + _FPCLASS_PINF + _FPCLASS_ND + _FPCLASS_PD))
         return false;
 #else
-    #pragma todo("Find Linux alternative for _fpclass. Check https://github.com/mirror/mingw-w64/blob/master/mingw-w64-headers/crt/math.h");
-
+    int cls = std::fpclassify((double )x);
+    switch (cls)
+    {
+    case FP_NAN:
+    case FP_INFINITE:
+    case FP_SUBNORMAL:
+        return false;
+    default:
+        break;
+    }
     /* *****other cases are*****
     _FPCLASS_NN Negative normalized non-zero
     _FPCLASS_NZ Negative zero ( ??? 0)
     _FPCLASS_PZ Positive 0 (+0)
     _FPCLASS_PN Positive normalized non-zero
     */
-    return true;
 #endif
+    return true;
 }
 
 // XXX: "magic" specializations, that really require profiling to see if they are worth this effort.