diff options
| author | Kay Sievers <kay.sievers@suse.de> | 2005-11-12 14:28:22 +0100 |
|---|---|---|
| committer | Kay Sievers <kay.sievers@suse.de> | 2005-11-12 14:28:22 +0100 |
| commit | 88be7e8887e9284666b7844bb0faa84fbb699fb2 (patch) | |
| tree | 1e948c57deab088a048c1845c0ca72086108ede8 /extras/volume_id | |
| parent | 62821d0de11e5af5b0cf066781228489408ef29b (diff) | |
volume_id: use glibc's byteswap
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Diffstat (limited to 'extras/volume_id')
| -rw-r--r-- | extras/volume_id/libvolume_id/util.h | 35 | ||||
| -rw-r--r-- | extras/volume_id/libvolume_id/volume_id.h | 2 |
2 files changed, 10 insertions, 27 deletions
diff --git a/extras/volume_id/libvolume_id/util.h b/extras/volume_id/libvolume_id/util.h index 6e16491c80..f6c57fb66d 100644 --- a/extras/volume_id/libvolume_id/util.h +++ b/extras/volume_id/libvolume_id/util.h @@ -20,48 +20,31 @@ #endif #include <endian.h> +#include <byteswap.h> /* size of superblock buffer, reiserfs block is at 64k */ #define SB_BUFFER_SIZE 0x11000 /* size of seek buffer, FAT cluster is 32k max */ #define SEEK_BUFFER_SIZE 0x10000 -/* probe volume for all known filesystems in specific order */ -#define bswap16(x) (uint16_t) ((((uint16_t)(x) & 0x00ffu) << 8) | \ - (((uint16_t)(x) & 0xff00u) >> 8)) - -#define bswap32(x) (uint32_t) ((((uint32_t)(x) & 0xff000000u) >> 24) | \ - (((uint32_t)(x) & 0x00ff0000u) >> 8) | \ - (((uint32_t)(x) & 0x0000ff00u) << 8) | \ - (((uint32_t)(x) & 0x000000ffu) << 24)) - -#define bswap64(x) (uint64_t) ((((uint64_t)(x) & 0xff00000000000000ull) >> 56) | \ - (((uint64_t)(x) & 0x00ff000000000000ull) >> 40) | \ - (((uint64_t)(x) & 0x0000ff0000000000ull) >> 24) | \ - (((uint64_t)(x) & 0x000000ff00000000ull) >> 8) | \ - (((uint64_t)(x) & 0x00000000ff000000ull) << 8) | \ - (((uint64_t)(x) & 0x0000000000ff0000ull) << 24) | \ - (((uint64_t)(x) & 0x000000000000ff00ull) << 40) | \ - (((uint64_t)(x) & 0x00000000000000ffull) << 56)) - #ifdef __BYTE_ORDER #if (__BYTE_ORDER == __LITTLE_ENDIAN) #define le16_to_cpu(x) (x) #define le32_to_cpu(x) (x) #define le64_to_cpu(x) (x) -#define be16_to_cpu(x) bswap16(x) -#define be32_to_cpu(x) bswap32(x) +#define be16_to_cpu(x) bswap_16(x) +#define be32_to_cpu(x) bswap_32(x) #define cpu_to_le16(x) (x) #define cpu_to_le32(x) (x) -#define cpu_to_be32(x) bswap32(x) +#define cpu_to_be32(x) bswap_32(x) #elif (__BYTE_ORDER == __BIG_ENDIAN) -#define le16_to_cpu(x) bswap16(x) -#define le32_to_cpu(x) bswap32(x) -#define le64_to_cpu(x) bswap64(x) +#define le16_to_cpu(x) bswap_16(x) +#define le32_to_cpu(x) bswap_32(x) +#define le64_to_cpu(x) bswap_64(x) #define be16_to_cpu(x) (x) #define be32_to_cpu(x) (x) -#define cpu_to_le16(x) bswap16(x) -#define cpu_to_le32(x) bswap32(x) +#define cpu_to_le16(x) bswap_16(x) +#define cpu_to_le32(x) bswap_32(x) #define cpu_to_be32(x) (x) #endif #endif /* __BYTE_ORDER */ diff --git a/extras/volume_id/libvolume_id/volume_id.h b/extras/volume_id/libvolume_id/volume_id.h index 517d382540..3e3acbde9f 100644 --- a/extras/volume_id/libvolume_id/volume_id.h +++ b/extras/volume_id/libvolume_id/volume_id.h @@ -14,7 +14,7 @@ #include <stdint.h> #include <stddef.h> -#define VOLUME_ID_VERSION 53 +#define VOLUME_ID_VERSION 54 #define VOLUME_ID_LABEL_SIZE 64 #define VOLUME_ID_UUID_SIZE 36 |