adding yasli

git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@215 7ec92016-0320-0410-acc4-a06ded1c099a

include/loki/yasli/platform.h

@@ -0,0 +1,76 @@
+#ifndef YASLI_PLATFORM_H_
+#define YASLI_PLATFORM_H_
+
+// Most conservative
+
+#define YASLI_HAS_EFFICIENT_MSIZE 0
+#define YASLI_REALLOC_AFTER_NEW 0
+#define YASLI_HAS_EXPAND 0
+
+#include <malloc.h>
+
+// Works on MSVC (all versions)
+#if defined(_MSC_VER)
+
+    #if defined(NDEBUG)//why only if ndebug?
+        #undef YASLI_REALLOC_AFTER_NEW//this is not used: what is it's intention?
+        #define YASLI_REALLOC_AFTER_NEW 1
+
+        #undef YASLI_HAS_EFFICIENT_MSIZE 
+        #define YASLI_HAS_EFFICIENT_MSIZE 1
+    #endif
+
+    // On Wintel platforms, uninit pointers can be copied
+    #define YASLI_UNDEFINED_POINTERS_COPYABLE 1
+
+    namespace yasli_platform 
+    {
+        inline size_t msize(const void *p) 
+        { 
+            return _msize(const_cast<void*>(p)); 
+        }
+    }
+    
+    #undef YASLI_HAS_EXPAND
+    #define YASLI_HAS_EXPAND 1
+    namespace yasli_platform 
+    {
+        inline void* expand(const void *p, size_t s) 
+        { 
+            return _expand (const_cast<void*>(p), s);
+        }
+    }
+    
+#elif defined(__MINGW32_VERSION) && !defined(RC_INVOKED)
+//I havinclude Malloc.h in order to find whether this library is Mingw32 
+//i.e. defines __MINGW32_VERSION, 
+//hmm, I really need to sort this out in earlier versions
+//it was _STRICT_ANSI_ not RC_INVOKED but I don't know the details
+    #undef YASLI_HAS_EFFICIENT_MSIZE 
+    #define YASLI_HAS_EFFICIENT_MSIZE 1
+    namespace yasli_platform 
+    {
+        inline size_t msize(const void *p) 
+        { 
+            return _msize(const_cast<void*>(p)); 
+        }
+    }
+    
+    #undef YASLI_HAS_EXPAND 
+    #define YASLI_HAS_EXPAND 1
+    namespace yasli_platform 
+    {
+        inline void* expand(const void *p, size_t s) 
+        { 
+            return _expand (const_cast<void*>(p), s);
+        }
+    }
+    
+    #define YASLI_UNDEFINED_POINTERS_COPYABLE 1 //well it appears to compile ok anyway
+#endif
+
+
+
+
+
+#endif // YASLI_PLATFORM_H_