md/dm-vdo/numeric.h

14  * These utilities encode or decode a number from an offset in a larger data buffer and then
15  * advance the offset pointer to the next field in the buffer.
18 static inline void decode_s64_le(const u8 *buffer, size_t *offset, s64 *decoded)
20 	*decoded = get_unaligned_le64(buffer + *offset);
21 	*offset += sizeof(s64);
24 static inline void encode_s64_le(u8 *data, size_t *offset, s64 to_encode)
26 	put_unaligned_le64(to_encode, data + *offset);
27 	*offset += sizeof(s64);
30 static inline void decode_u64_le(const u8 *buffer, size_t *offset, u64 *decoded)
32 	*decoded = get_unaligned_le64(buffer + *offset);
33 	*offset += sizeof(u64);
36 static inline void encode_u64_le(u8 *data, size_t *offset, u64 to_encode)
38 	put_unaligned_le64(to_encode, data + *offset);
39 	*offset += sizeof(u64);
42 static inline void decode_s32_le(const u8 *buffer, size_t *offset, s32 *decoded)
44 	*decoded = get_unaligned_le32(buffer + *offset);
45 	*offset += sizeof(s32);
48 static inline void encode_s32_le(u8 *data, size_t *offset, s32 to_encode)
50 	put_unaligned_le32(to_encode, data + *offset);
51 	*offset += sizeof(s32);
54 static inline void decode_u32_le(const u8 *buffer, size_t *offset, u32 *decoded)
56 	*decoded = get_unaligned_le32(buffer + *offset);
57 	*offset += sizeof(u32);
60 static inline void encode_u32_le(u8 *data, size_t *offset, u32 to_encode)
62 	put_unaligned_le32(to_encode, data + *offset);
63 	*offset += sizeof(u32);
66 static inline void decode_u16_le(const u8 *buffer, size_t *offset, u16 *decoded)
68 	*decoded = get_unaligned_le16(buffer + *offset);
69 	*offset += sizeof(u16);
72 static inline void encode_u16_le(u8 *data, size_t *offset, u16 to_encode)
74 	put_unaligned_le16(to_encode, data + *offset);
75 	*offset += sizeof(u16);