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-rw-r--r--disk/part_dos.c6
-rw-r--r--disk/part_dos.h3
2 files changed, 6 insertions, 3 deletions
diff --git a/disk/part_dos.c b/disk/part_dos.c
index ef706fb59cb..20d35dc9cdb 100644
--- a/disk/part_dos.c
+++ b/disk/part_dos.c
@@ -42,9 +42,9 @@ static inline unsigned int le32_to_int(unsigned char *le32)
static inline int is_extended(int part_type)
{
- return (part_type == 0x5 ||
- part_type == 0xf ||
- part_type == 0x85);
+ return (part_type == DOS_PART_TYPE_EXTENDED ||
+ part_type == DOS_PART_TYPE_EXTENDED_LBA ||
+ part_type == DOS_PART_TYPE_EXTENDED_LINUX);
}
static int get_bootable(dos_partition_t *p)
diff --git a/disk/part_dos.h b/disk/part_dos.h
index 434b021ae81..dd909a9317d 100644
--- a/disk/part_dos.h
+++ b/disk/part_dos.h
@@ -15,6 +15,9 @@
#define DOS_PBR_MEDIA_TYPE_OFFSET 0x15
#define DOS_MBR 0
#define DOS_PBR 1
+#define DOS_PART_TYPE_EXTENDED 0x05
+#define DOS_PART_TYPE_EXTENDED_LBA 0x0F
+#define DOS_PART_TYPE_EXTENDED_LINUX 0x85
typedef struct dos_partition {
unsigned char boot_ind; /* 0x80 - active */