1 files changed, 21 insertions, 0 deletions
diff --git a/3party/freetype/src/raster/ftmisc.h b/3party/freetype/src/raster/ftmisc.h
index 7773924feb..703155a429 100644
--- a/3party/freetype/src/raster/ftmisc.h
+++ b/3party/freetype/src/raster/ftmisc.h
@@ -115,6 +115,27 @@
     return ( s > 0 ) ? d : -d;
   }
 
+
+  static FT_Long
+  FT_MulDiv_No_Round( FT_Long  a,
+                      FT_Long  b,
+                      FT_Long  c )
+  {
+    FT_Int   s;
+    FT_Long  d;
+
+
+    s = 1;
+    if ( a < 0 ) { a = -a; s = -1; }
+    if ( b < 0 ) { b = -b; s = -s; }
+    if ( c < 0 ) { c = -c; s = -s; }
+
+    d = (FT_Long)( c > 0 ? (FT_Int64)a * b / c
+                         : 0x7FFFFFFFL );
+
+    return ( s > 0 ) ? d : -d;
+  }
+
 #endif /* __FTMISC_H__ */