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-rw-r--r--util-linux/fsck_minix.c9
-rw-r--r--util-linux/mkfs_minix.c11
2 files changed, 13 insertions, 7 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))
diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c
index 88647e9d8..69dfcd123 100644
--- a/util-linux/mkfs_minix.c
+++ b/util-linux/mkfs_minix.c
@@ -142,7 +142,10 @@ struct globals {
unsigned currently_testing;
char root_block[BLOCK_SIZE];
- char superblock_buffer[BLOCK_SIZE];
+ union {
+ char superblock_buffer[BLOCK_SIZE];
+ struct minix_superblock SB;
+ } u;
char boot_block_buffer[512];
unsigned short good_blocks_table[MAX_GOOD_BLOCKS];
/* check_blocks(): buffer[] was the biggest static in entire bbox */
@@ -166,7 +169,7 @@ static ALWAYS_INLINE unsigned div_roundup(unsigned size, unsigned n)
#define INODE_BUF1 (((struct minix1_inode*)G.inode_buffer) - 1)
#define INODE_BUF2 (((struct minix2_inode*)G.inode_buffer) - 1)
-#define SB (*(struct minix_superblock*)G.superblock_buffer)
+#define SB (G.u.SB)
#define SB_INODES (SB.s_ninodes)
#define SB_IMAPS (SB.s_imap_blocks)
@@ -234,7 +237,7 @@ static void write_tables(void)
xlseek(dev_fd, BLOCK_SIZE, SEEK_SET);
msg_eol = "can't write superblock";
- xwrite(dev_fd, G.superblock_buffer, BLOCK_SIZE);
+ xwrite(dev_fd, G.u.superblock_buffer, BLOCK_SIZE);
msg_eol = "can't write inode map";
xwrite(dev_fd, G.inode_map, SB_IMAPS * BLOCK_SIZE);
@@ -541,7 +544,7 @@ static void setup_tables(void)
unsigned sb_zmaps;
unsigned i;
- /* memset(G.superblock_buffer, 0, BLOCK_SIZE); */
+ /* memset(G.u.superblock_buffer, 0, BLOCK_SIZE); */
/* memset(G.boot_block_buffer, 0, 512); */
SB_MAGIC = G.magic;
SB_ZONE_SIZE = 0;