1 files changed, 1 insertions, 3 deletions
diff --git a/core/fxcrt/fx_extension.h b/core/fxcrt/fx_extension.h
index 6a49ee1116..d1ea795fa8 100644
--- a/core/fxcrt/fx_extension.h
+++ b/core/fxcrt/fx_extension.h
@@ -27,9 +27,7 @@
 #define FX_IsOdd(a) ((a)&1)
 #endif  // PDF_ENABLE_XFA
 
-float FXSYS_wcstof(const wchar_t* pwsStr,
-                   int32_t iLength = -1,
-                   int32_t* pUsedLen = nullptr);
+float FXSYS_wcstof(const wchar_t* pwsStr, int32_t iLength, int32_t* pUsedLen);
 wchar_t* FXSYS_wcsncpy(wchar_t* dstStr, const wchar_t* srcStr, size_t count);
 int32_t FXSYS_wcsnicmp(const wchar_t* s1, const wchar_t* s2, size_t count);