libmtp  1.1.10
gphoto2-endian.h
1 /* This file is generated automatically by configure */
2 /* It is valid only for the system type x86_64-unknown-openbsd5.9 */
3 
4 #ifndef __BYTEORDER_H
5 #define __BYTEORDER_H
6 
7 /* extended byte swapping macros are already available */
8 #include <machine/endian.h>
9 
10 /* swap32 and swap16 are defined in machine/endian.h */
11 
12 /* Define the C99 standard length-specific integer types */
13 #include <_stdint.h>
14 
15 /* Here are some macros to create integers from a byte array */
16 /* These are used to get and put integers from/into a uint8_t array */
17 /* with a specific endianness. This is the most portable way to generate */
18 /* and read messages to a network or serial device. Each member of a */
19 /* packet structure must be handled separately. */
20 
21 /* Non-optimized but portable macros */
22 #define be16atoh(x) ((uint16_t)(((x)[0]<<8)|(x)[1]))
23 #define be32atoh(x) ((uint32_t)(((x)[0]<<24)|((x)[1]<<16)|((x)[2]<<8)|(x)[3]))
24 #define be64atoh_x(x,off,shift) (((uint64_t)((x)[off]))<<shift)
25 #define be64atoh(x) ((uint64_t)(be64atoh_x(x,0,56)|be64atoh_x(x,1,48)|be64atoh_x(x,2,40)| \
26  be64atoh_x(x,3,32)|be64atoh_x(x,4,24)|be64atoh_x(x,5,16)|be64atoh_x(x,6,8)|((x)[7])))
27 #define le16atoh(x) ((uint16_t)(((x)[1]<<8)|(x)[0]))
28 #define le32atoh(x) ((uint32_t)(((x)[3]<<24)|((x)[2]<<16)|((x)[1]<<8)|(x)[0]))
29 #define le64atoh_x(x,off,shift) (((uint64_t)(x)[off])<<shift)
30 #define le64atoh(x) ((uint64_t)(le64atoh_x(x,7,56)|le64atoh_x(x,6,48)|le64atoh_x(x,5,40)| \
31  le64atoh_x(x,4,32)|le64atoh_x(x,3,24)|le64atoh_x(x,2,16)|le64atoh_x(x,1,8)|((x)[0])))
32 
33 #define htobe16a(a,x) (a)[0]=(uint8_t)((x)>>8), (a)[1]=(uint8_t)(x)
34 #define htobe32a(a,x) (a)[0]=(uint8_t)((x)>>24), (a)[1]=(uint8_t)((x)>>16), \
35  (a)[2]=(uint8_t)((x)>>8), (a)[3]=(uint8_t)(x)
36 #define htobe64a(a,x) (a)[0]=(uint8_t)((x)>>56), (a)[1]=(uint8_t)((x)>>48), \
37  (a)[2]=(uint8_t)((x)>>40), (a)[3]=(uint8_t)((x)>>32), \
38  (a)[4]=(uint8_t)((x)>>24), (a)[5]=(uint8_t)((x)>>16), \
39  (a)[6]=(uint8_t)((x)>>8), (a)[7]=(uint8_t)(x)
40 #define htole16a(a,x) (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x)
41 #define htole32a(a,x) (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \
42  (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x)
43 #define htole64a(a,x) (a)[7]=(uint8_t)((x)>>56), (a)[6]=(uint8_t)((x)>>48), \
44  (a)[5]=(uint8_t)((x)>>40), (a)[4]=(uint8_t)((x)>>32), \
45  (a)[3]=(uint8_t)((x)>>24), (a)[2]=(uint8_t)((x)>>16), \
46  (a)[1]=(uint8_t)((x)>>8), (a)[0]=(uint8_t)(x)
47 
48 #endif /*__BYTEORDER_H*/