Better fix for snprintf non-termination on windows.

core/src/fxcrt/fx_basic_util.cpp

Index: core/src/fxcrt/fx_basic_util.cpp
diff --git a/core/src/fxcrt/fx_basic_util.cpp b/core/src/fxcrt/fx_basic_util.cpp
index 5a40c2b4be6e34bd4bffb0dfd2ef13556a58d1d1..28647720ac1474668f1e2ff4a05363b462844bf1 100644
--- a/core/src/fxcrt/fx_basic_util.cpp
+++ b/core/src/fxcrt/fx_basic_util.cpp
@@ -169,6 +169,22 @@ FX_FLOAT FX_atof(FX_BSTR strc)
     }
     return bNegative ? -value : value;
 }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+void FXSYS_snprintf(char *str, size_t size, const char* fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    FXSYS_vsnprintf(str, size, fmt, ap);
+    va_end(ap);
+}
+void FXSYS_vsnprintf(char *str, size_t size, const char* fmt, va_list ap)
+{
+    _vsnprintf(str, size, fmt, ap);

[brucedawson, 2015/04/10 18:03:02]

Consider a comment explaining why the void return type?

[Tom Sepez, 2015/04/10 18:23:40]

Updated comment in the .h file.

+    if (size) {
+        str[size - 1] = 0;
+    }
+}
+#endif  // _FXM_PLATFORM_WINDOWS_
 static FX_BOOL FX_IsDigit(FX_BYTE ch)
 {
     return (ch >= '0' && ch <= '9') ? TRUE : FALSE;