1 #ifndef __UDF_ENDIAN_H
2 #define __UDF_ENDIAN_H
3
4 #include <asm/byteorder.h>
5 #include <linux/string.h>
6
7 static inline kernel_lb_addr lelb_to_cpu(lb_addr in)
8 {
9 kernel_lb_addr out;
10
11 out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum);
12 out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum);
13
14 return out;
15 }
16
17 static inline lb_addr cpu_to_lelb(kernel_lb_addr in)
18 {
19 lb_addr out;
20
21 out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum);
22 out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum);
23
24 return out;
25 }
26
27 static inline kernel_timestamp lets_to_cpu(timestamp in)
28 {
29 kernel_timestamp out;
30
31 memcpy(&out, &in, sizeof(timestamp));
32 out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone);
33 out.year = le16_to_cpu(in.year);
34
35 return out;
36 }
37
38 static inline short_ad lesa_to_cpu(short_ad in)
39 {
40 short_ad out;
41
42 out.extLength = le32_to_cpu(in.extLength);
43 out.extPosition = le32_to_cpu(in.extPosition);
44
45 return out;
46 }
47
48 static inline short_ad cpu_to_lesa(short_ad in)
49 {
50 short_ad out;
51
52 out.extLength = cpu_to_le32(in.extLength);
53 out.extPosition = cpu_to_le32(in.extPosition);
54
55 return out;
56 }
57
58 static inline kernel_long_ad lela_to_cpu(long_ad in)
59 {
60 kernel_long_ad out;
61
62 out.extLength = le32_to_cpu(in.extLength);
63 out.extLocation = lelb_to_cpu(in.extLocation);
64
65 return out;
66 }
67
68 static inline long_ad cpu_to_lela(kernel_long_ad in)
69 {
70 long_ad out;
71
72 out.extLength = cpu_to_le32(in.extLength);
73 out.extLocation = cpu_to_lelb(in.extLocation);
74
75 return out;
76 }
77
78 static inline kernel_extent_ad leea_to_cpu(extent_ad in)
79 {
80 kernel_extent_ad out;
81
82 out.extLength = le32_to_cpu(in.extLength);
83 out.extLocation = le32_to_cpu(in.extLocation);
84
85 return out;
86 }
87
88 static inline timestamp cpu_to_lets(kernel_timestamp in)
89 {
90 timestamp out;
91
92 memcpy(&out, &in, sizeof(timestamp));
93 out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone);
94 out.year = cpu_to_le16(in.year);
95
96 return out;
97 }
98
99 #endif /* __UDF_ENDIAN_H */
100
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