- Fix unterminated string errors in Q_vsnprintf() on windows. Thanks to Eugene C. for reporting (#4907)

- Get rid of bigbuffer in Com_sprintf()
- Get rid of Q_snprintf and replace with Com_sprintf()

code/qcommon/q_shared.h

@@ -132,16 +132,6 @@ typedef int intptr_t;
 #include <ctype.h>
 #include <limits.h>
 
-// vsnprintf is ISO/IEC 9899:1999
-// abstracting this to make it portable
-#ifdef _WIN32
-  #define Q_vsnprintf _vsnprintf
-  #define Q_snprintf _snprintf
-#else
-  #define Q_vsnprintf vsnprintf
-  #define Q_snprintf snprintf
-#endif
-
 #ifdef _MSC_VER
   #include <io.h>
 
@@ -153,8 +143,14 @@ typedef int intptr_t;
   typedef unsigned __int32 uint32_t;
   typedef unsigned __int16 uint16_t;
   typedef unsigned __int8 uint8_t;
+
+  // vsnprintf is ISO/IEC 9899:1999
+  // abstracting this to make it portable
+  int Q_vsnprintf(char *str, size_t size, const char *format, va_list ap);
 #else
   #include <stdint.h>
+
+  #define Q_vsnprintf vsnprintf
 #endif
 
 #endif