From 80bd05f27fb4e26e765cfb5bde43166a48c218e1 Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Wed, 23 Dec 2020 13:55:11 +0100 Subject: [PATCH] disk: dos: add some defines for the hardcoded numbers Add some handy defines for some hardcoded magic numbers related to extended partition handling. Signed-off-by: Marek Szyprowski --- disk/part_dos.c | 6 +++--- disk/part_dos.h | 3 +++ 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/disk/part_dos.c b/disk/part_dos.c index ef706fb59c..20d35dc9cd 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 434b021ae8..dd909a9317 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 */