/src/util-linux/include/iso9660.h
Line | Count | Source |
1 | | /* |
2 | | * No copyright is claimed. This code is in the public domain; do with |
3 | | * it what you wish. |
4 | | */ |
5 | | #ifndef UTIL_LINUX_ISO_H |
6 | | #define UTIL_LINUX_ISO_H |
7 | | |
8 | | #include <stdbool.h> |
9 | | #include <stdint.h> |
10 | | |
11 | | #include "c.h" |
12 | | |
13 | | static inline uint16_t isonum_721(const unsigned char *p) |
14 | 233 | { |
15 | 233 | return ((p[0] & 0xff) |
16 | 233 | | ((p[1] & 0xff) << 8)); |
17 | 233 | } |
18 | | |
19 | | static inline uint16_t isonum_722(const unsigned char *p) |
20 | 233 | { |
21 | 233 | return ((p[1] & 0xff) |
22 | 233 | | ((p[0] & 0xff) << 8)); |
23 | 233 | } |
24 | | |
25 | | static inline uint16_t isonum_723(const unsigned char *p, bool check_match) |
26 | 233 | { |
27 | 233 | uint16_t le = isonum_721(p); |
28 | 233 | uint16_t be = isonum_722(p + 2); |
29 | | |
30 | 233 | if (check_match && le != be) |
31 | | /* translation is useless */ |
32 | 0 | warnx("723error: le=%d be=%d", le, be); |
33 | 233 | return (le); |
34 | 233 | } |
35 | | |
36 | | static inline uint32_t isonum_731(const unsigned char *p) |
37 | 233 | { |
38 | 233 | return ((p[0] & 0xff) |
39 | 233 | | ((p[1] & 0xff) << 8) |
40 | 233 | | ((p[2] & 0xff) << 16) |
41 | 233 | | (((uint32_t) p[3] & 0xff) << 24)); |
42 | 233 | } |
43 | | |
44 | | static inline uint32_t isonum_732(const unsigned char *p) |
45 | 233 | { |
46 | 233 | return ((p[3] & 0xff) |
47 | 233 | | ((p[2] & 0xff) << 8) |
48 | 233 | | ((p[1] & 0xff) << 16) |
49 | 233 | | (((uint32_t) p[0] & 0xff) << 24)); |
50 | 233 | } |
51 | | |
52 | | static inline uint32_t isonum_733(const unsigned char *p, bool check_match) |
53 | 233 | { |
54 | 233 | uint32_t le = isonum_731(p); |
55 | 233 | uint32_t be = isonum_732(p + 4); |
56 | | |
57 | 233 | if (check_match && le != be) |
58 | | /* translation is useless */ |
59 | 0 | warnx("733error: le=%d be=%d", le, be); |
60 | 233 | return(le); |
61 | 233 | } |
62 | | |
63 | | #endif |