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Commit | Line | Data |
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c38138cd LT |
1 | #ifndef CSUM_FILE_H |
2 | #define CSUM_FILE_H | |
3 | ||
2a128d63 NP |
4 | struct progress; |
5 | ||
c38138cd | 6 | /* A SHA1-protected file */ |
98a3beab | 7 | struct hashfile { |
ec640ed1 | 8 | int fd; |
e337a04d | 9 | int check_fd; |
ec640ed1 | 10 | unsigned int offset; |
4d273500 | 11 | git_hash_ctx ctx; |
218558af | 12 | off_t total; |
2a128d63 | 13 | struct progress *tp; |
ec640ed1 | 14 | const char *name; |
78d1e84f NP |
15 | int do_crc; |
16 | uint32_t crc32; | |
c38138cd LT |
17 | unsigned char buffer[8192]; |
18 | }; | |
19 | ||
6c526148 | 20 | /* Checkpoint */ |
98a3beab | 21 | struct hashfile_checkpoint { |
6c526148 | 22 | off_t offset; |
4d273500 | 23 | git_hash_ctx ctx; |
6c526148 JH |
24 | }; |
25 | ||
98a3beab | 26 | extern void hashfile_checkpoint(struct hashfile *, struct hashfile_checkpoint *); |
27 | extern int hashfile_truncate(struct hashfile *, struct hashfile_checkpoint *); | |
6c526148 | 28 | |
f2af9f5e | 29 | /* finalize_hashfile flags */ |
cfe83216 DS |
30 | #define CSUM_CLOSE 1 |
31 | #define CSUM_FSYNC 2 | |
32 | #define CSUM_HASH_IN_STREAM 4 | |
4c81b03e | 33 | |
98a3beab | 34 | extern struct hashfile *hashfd(int fd, const char *name); |
35 | extern struct hashfile *hashfd_check(const char *name); | |
36 | extern struct hashfile *hashfd_throughput(int fd, const char *name, struct progress *tp); | |
f2af9f5e | 37 | extern int finalize_hashfile(struct hashfile *, unsigned char *, unsigned int); |
98a3beab | 38 | extern void hashwrite(struct hashfile *, const void *, unsigned int); |
39 | extern void hashflush(struct hashfile *f); | |
40 | extern void crc32_begin(struct hashfile *); | |
41 | extern uint32_t crc32_end(struct hashfile *); | |
c38138cd | 42 | |
98a3beab | 43 | static inline void hashwrite_u8(struct hashfile *f, uint8_t data) |
b5007211 | 44 | { |
98a3beab | 45 | hashwrite(f, &data, sizeof(data)); |
b5007211 KB |
46 | } |
47 | ||
98a3beab | 48 | static inline void hashwrite_be32(struct hashfile *f, uint32_t data) |
b5007211 KB |
49 | { |
50 | data = htonl(data); | |
98a3beab | 51 | hashwrite(f, &data, sizeof(data)); |
b5007211 KB |
52 | } |
53 | ||
c38138cd | 54 | #endif |