Use offsetof() from sys/types.h instead of a custom one

This fixes build with recent gcc versions
2014-10-09 15:26:22 +00:00 · 2014-10-09 15:26:22 +00:00 · 92a1d420ba
commit 92a1d420ba
parent 2e7634503e
1 changed files with 1 additions and 1 deletions
--- a/sys/ufs/ufs/dir.h
+++ b/sys/ufs/ufs/dir.h
@ -110,7 +110,7 @@ struct	direct {
 * 
 */
 #define	DIRECTSIZ(namlen)						\
-	(((uintptr_t)&((struct direct *)0)->d_name +			\
+	((offsetof(struct direct, d_name) +			\
 	  ((namlen)+1)*sizeof(((struct direct *)0)->d_name[0]) + 3) & ~3)
 #if (BYTE_ORDER == LITTLE_ENDIAN)
 #define	DIRSIZ(oldfmt, dp) \