| #ifndef CSUM_FILE_H |
| #define CSUM_FILE_H |
| |
| struct progress; |
| |
| /* A SHA1-protected file */ |
| struct sha1file { |
| int fd; |
| int check_fd; |
| unsigned int offset; |
| git_SHA_CTX ctx; |
| off_t total; |
| struct progress *tp; |
| const char *name; |
| int do_crc; |
| uint32_t crc32; |
| unsigned char buffer[8192]; |
| }; |
| |
| /* Checkpoint */ |
| struct sha1file_checkpoint { |
| off_t offset; |
| git_SHA_CTX ctx; |
| }; |
| |
| extern void sha1file_checkpoint(struct sha1file *, struct sha1file_checkpoint *); |
| extern int sha1file_truncate(struct sha1file *, struct sha1file_checkpoint *); |
| |
| /* sha1close flags */ |
| #define CSUM_CLOSE 1 |
| #define CSUM_FSYNC 2 |
| |
| extern struct sha1file *sha1fd(int fd, const char *name); |
| extern struct sha1file *sha1fd_check(const char *name); |
| extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp); |
| extern int sha1close(struct sha1file *, unsigned char *, unsigned int); |
| extern void sha1write(struct sha1file *, const void *, unsigned int); |
| extern void sha1flush(struct sha1file *f); |
| extern void crc32_begin(struct sha1file *); |
| extern uint32_t crc32_end(struct sha1file *); |
| |
| #endif |