fsck_minix,mkfs_minix: fix "strict-aliasing" warnings

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c
index 608048983..c4612f251 100644
--- a/util-linux/fsck_minix.c
+++ b/util-linux/fsck_minix.c
@@ -173,7 +173,10 @@ struct globals {
 
         /* Bigger stuff */
         struct termios sv_termios;
-        char superblock_buffer[BLOCK_SIZE];
+        union {
+                char superblock_buffer[BLOCK_SIZE];
+                struct minix_superblock Super;
+        } u;
         char add_zone_ind_blk[BLOCK_SIZE];
         char add_zone_dind_blk[BLOCK_SIZE];
         IF_FEATURE_MINIX2(char add_zone_tind_blk[BLOCK_SIZE];)
@@ -207,7 +210,7 @@ struct globals {
 #define name_depth         (G.name_depth         )
 #define name_component     (G.name_component     )
 #define sv_termios         (G.sv_termios         )
-#define superblock_buffer  (G.superblock_buffer )
+#define superblock_buffer  (G.u.superblock_buffer)
 #define add_zone_ind_blk   (G.add_zone_ind_blk   )
 #define add_zone_dind_blk  (G.add_zone_dind_blk  )
 #define add_zone_tind_blk  (G.add_zone_tind_blk  )
@@ -247,7 +250,7 @@ enum {
 #define Inode1 (((struct minix1_inode *) inode_buffer)-1)
 #define Inode2 (((struct minix2_inode *) inode_buffer)-1)
 
-#define Super (*(struct minix_superblock *)(superblock_buffer))
+#define Super (G.u.Super)
 
 #if ENABLE_FEATURE_MINIX2
 # define ZONES    ((unsigned)(version2 ? Super.s_zones : Super.s_nzones))