| | 1 | #ifndef CSUM_FILE_H |
| | 2 | #define CSUM_FILE_H |
| | 3 | |
| | 4 | struct progress; |
| | 5 | |
| | 6 | /* A SHA1-protected file */ |
| | 7 | struct hashfile { |
| | 8 | int fd; |
| | 9 | int check_fd; |
| | 10 | unsigned int offset; |
| | 11 | git_hash_ctx ctx; |
| | 12 | off_t total; |
| | 13 | struct progress *tp; |
| | 14 | const char *name; |
| | 15 | int do_crc; |
| | 16 | uint32_t crc32; |
| | 17 | unsigned char buffer[8192]; |
| | 18 | }; |
| | 19 | |
| | 20 | /* Checkpoint */ |
| | 21 | struct hashfile_checkpoint { |
| | 22 | off_t offset; |
| | 23 | git_hash_ctx ctx; |
| | 24 | }; |
| | 25 | |
| | 26 | extern void hashfile_checkpoint(struct hashfile *, struct hashfile_checkpoint *); |
| | 27 | extern int hashfile_truncate(struct hashfile *, struct hashfile_checkpoint *); |
| | 28 | |
| | 29 | /* finalize_hashfile flags */ |
| | 30 | #define CSUM_CLOSE 1 |
| | 31 | #define CSUM_FSYNC 2 |
| | 32 | #define CSUM_HASH_IN_STREAM 4 |
| | 33 | |
| | 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); |
| | 37 | extern int finalize_hashfile(struct hashfile *, unsigned char *, unsigned int); |
| | 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 *); |
| | 42 | |
| | 43 | static inline void hashwrite_u8(struct hashfile *f, uint8_t data) |
| | 44 | { |
| | 45 | hashwrite(f, &data, sizeof(data)); |
| | 46 | } |
| | 47 | |
| | 48 | static inline void hashwrite_be32(struct hashfile *f, uint32_t data) |
| | 49 | { |
| | 50 | data = htonl(data); |
| | 51 | hashwrite(f, &data, sizeof(data)); |
| | 52 | } |
| | 53 | |
| | 54 | #endif |
/ uis / git / x / uis / git / git.git / blame_incremental