mkfs_vfat: fix gcc-4.4 warning

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

1 files changed, 4 insertions, 3 deletions

diff --git a/util-linux/mkfs_vfat.c b/util-linux/mkfs_vfat.c
index ff3e4165a..c57cd9d5a 100644
--- a/util-linux/mkfs_vfat.c
+++ b/util-linux/mkfs_vfat.c
@@ -98,8 +98,9 @@ struct msdos_volume_info { /* (offsets are relative to start of boot sector) */
 } PACKED;                         /* 05a end. Total size 26 (0x1a) bytes */
 
 struct msdos_boot_sector {
-        char     boot_jump[3];       /* 000 short or near jump instruction */
-        char     system_id[8];       /* 003 name - can be used to special case partition manager volumes */
+        /* We use strcpy to fill both, and gcc-4.4.x complains if they are separate */
+        char     boot_jump_and_sys_id[3+8]; /* 000 short or near jump instruction */
+        /*char   system_id[8];*/     /* 003 name - can be used to special case partition manager volumes */
         uint16_t bytes_per_sect;     /* 00b bytes per logical sector */
         uint8_t  sect_per_clust;     /* 00d sectors/cluster */
         uint16_t reserved_sect;      /* 00e reserved sectors (sector offset of 1st FAT relative to volume start) */
@@ -457,7 +458,7 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
                 struct msdos_boot_sector *boot_blk = (void*)buf;
                 struct fat32_fsinfo *info = (void*)(buf + bytes_per_sect);
 
-                strcpy(boot_blk->boot_jump, "\xeb\x58\x90" "mkdosfs"); // system_id[8] included :)
+                strcpy(boot_blk->boot_jump_and_sys_id, "\xeb\x58\x90" "mkdosfs");
                 STORE_LE(boot_blk->bytes_per_sect, bytes_per_sect);
                 STORE_LE(boot_blk->sect_per_clust, sect_per_clust);
                 // cast in needed on big endian to suppress a warning