Viewing file: udfend.h (3.1 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
#ifndef __UDF_ENDIAN_H #define __UDF_ENDIAN_H
#ifndef __KERNEL__
#include <sys/types.h>
#if __BYTE_ORDER == 0
#error "__BYTE_ORDER must be defined"
#elif __BYTE_ORDER == __BIG_ENDIAN
#define le16_to_cpu(x) \ ((Uint16)((((Uint16)(x) & 0x00FFU) << 8) | \ (((Uint16)(x) & 0xFF00U) >> 8))) #define le32_to_cpu(x) \ ((Uint32)((((Uint32)(x) & 0x000000FFU) << 24) | \ (((Uint32)(x) & 0x0000FF00U) << 8) | \ (((Uint32)(x) & 0x00FF0000U) >> 8) | \ (((Uint32)(x) & 0xFF000000U) >> 24)))
#define le64_to_cpu(x) \ ((Uint64)((((Uint64)(x) & 0x00000000000000FFULL) << 56) | \ (((Uint64)(x) & 0x000000000000FF00ULL) << 40) | \ (((Uint64)(x) & 0x0000000000FF0000ULL) << 24) | \ (((Uint64)(x) & 0x00000000FF000000ULL) << 8) | \ (((Uint64)(x) & 0x000000FF00000000ULL) >> 8) | \ (((Uint64)(x) & 0x0000FF0000000000ULL) >> 24) | \ (((Uint64)(x) & 0x00FF000000000000ULL) >> 40) | \ (((Uint64)(x) & 0xFF00000000000000ULL) >> 56)))
#define cpu_to_le16(x) (le16_to_cpu(x)) #define cpu_to_le32(x) (le32_to_cpu(x)) #define cpu_to_le64(x) (le64_to_cpu(x))
#else /* __BYTE_ORDER == __LITTLE_ENDIAN */
#define le16_to_cpu(x) (x) #define le32_to_cpu(x) (x) #define le64_to_cpu(x) (x) #define cpu_to_le16(x) (x) #define cpu_to_le32(x) (x) #define cpu_to_le64(x) (x)
#endif /* __BYTE_ORDER == 0 */
#include <string.h>
#else /* __KERNEL__ */
#include <asm/byteorder.h> #include <linux/string.h>
#endif /* ! __KERNEL__ */
static inline lb_addr lelb_to_cpu(lb_addr in) { lb_addr out; out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum); out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum); return out; }
static inline lb_addr cpu_to_lelb(lb_addr in) { lb_addr out; out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum); out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum); return out; }
static inline timestamp lets_to_cpu(timestamp in) { timestamp out; memcpy(&out, &in, sizeof(timestamp)); out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone); out.year = le16_to_cpu(in.year); return out; }
static inline short_ad lesa_to_cpu(short_ad in) { short_ad out; out.extLength = le32_to_cpu(in.extLength); out.extPosition = le32_to_cpu(in.extPosition); return out; }
static inline short_ad cpu_to_lesa(short_ad in) { short_ad out; out.extLength = cpu_to_le32(in.extLength); out.extPosition = cpu_to_le32(in.extPosition); return out; }
static inline long_ad lela_to_cpu(long_ad in) { long_ad out; out.extLength = le32_to_cpu(in.extLength); out.extLocation = lelb_to_cpu(in.extLocation); return out; }
static inline long_ad cpu_to_lela(long_ad in) { long_ad out; out.extLength = cpu_to_le32(in.extLength); out.extLocation = cpu_to_lelb(in.extLocation); return out; }
static inline extent_ad leea_to_cpu(extent_ad in) { extent_ad out; out.extLength = le32_to_cpu(in.extLength); out.extLocation = le32_to_cpu(in.extLocation); return out; }
static inline timestamp cpu_to_lets(timestamp in) { timestamp out; memcpy(&out, &in, sizeof(timestamp)); out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone); out.year = cpu_to_le16(in.year); return out; }
#endif /* __UDF_ENDIAN_H */
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