Use the ANSI offsetof() macro instead of something home-brewn.

25 years ago · 9e2d89278f
parent 4ddddb4482
commit 9e2d89278f
1 changed files with 2 additions and 1 deletions
--- a/include/freetype/internal/ftstream.h
+++ b/include/freetype/internal/ftstream.h
@ -20,6 +20,7 @@
 #define FTSTREAM_H

 #include <freetype/internal/ftobjs.h>
+#include <stddef.h>                     /* for offsetof() macro */


 #ifdef __cplusplus
@ -95,7 +96,7 @@
 #define FT_FIELD_SIZE_DELTA( f ) \
          (FT_Byte)sizeof ( ((FT_STRUCTURE*)0)->f[0] )
 #define FT_FIELD_OFFSET( f ) \
-          (FT_UShort)( (char*)&(((FT_STRUCTURE*)0)->f) - (char*)0 )
+          (FT_UShort)( offsetof( FT_STRUCTURE, f ) )

 #define FT_FRAME_FIELD( frame_op, field ) \
          {                               \