Add compile time tests for int.h

int.h

@@ -4,20 +4,54 @@
 #define __WORDSIZE 32
 #endif
 
-typedef unsigned char   uint8_t;
-typedef unsigned short  uint16_t;
-typedef unsigned int    uint32_t;
-typedef unsigned long   uint64_t;
+typedef unsigned char      uint8_t;
+typedef unsigned short     uint16_t;
+typedef unsigned int       uint32_t;
+typedef unsigned long long uint64_t;
 
-typedef char   int8_t;
-typedef short  int16_t;
-typedef int    int32_t;
-typedef long   int64_t;
+typedef char      int8_t;
+typedef short     int16_t;
+typedef int       int32_t;
+typedef long long int64_t;
 
 #if __WORDSIZE == 64
-typedef long          intptr_t;
-typedef unsigned long uintptr_t;
+typedef int64_t  intptr_t;
+typedef uint64_t uintptr_t;
 #elif __WORDSIZE == 32
-typedef int          intptr_t;
-typedef unsigned int uintptr_t;
+typedef int32_t  intptr_t;
+typedef uint32_t uintptr_t;
 #endif
+
+// Compile time tests in supported compilers
+#ifdef __SIZEOF_CHAR__
+#if __SIZEOF_CHAR__ != 1
+#error __SIZEOF_CHAR__ is not 1
+#endif
+#endif
+
+#ifdef __SIZEOF_SHORT__
+#if __SIZEOF_SHORT__ != 2
+#error __SIZEOF_SHORT__ is not 2
+#endif
+#endif
+
+#ifdef __SIZEOF_INT__
+#if __SIZEOF_INT__ != 4
+#error __SIZEOF_INT__ is not 4
+#endif
+#endif
+
+#ifdef __SIZEOF_LONG_LONG__
+#if __SIZEOF_LONG_LONG__ != 8
+#error __SIZEOF_LONG_LONG__ is not 8
+#endif
+#endif
+
+#ifdef __SIZEOF_POINTER__
+#if __SIZEOF_POINTER__ != (__WORDSIZE / 8)
+#error __SIZEOF_POINTER__ is not (__WORDSIZE / 8)
+#endif
+#endif
+
+//TODO:
+//#ifdef __SIZEOF_SIZE_T__