| /* A SHA1-protected file */ |
| unsigned char buffer[8192]; |
| struct sha1file_checkpoint { |
| extern void sha1file_checkpoint(struct sha1file *, struct sha1file_checkpoint *); |
| extern int sha1file_truncate(struct sha1file *, struct sha1file_checkpoint *); |
| 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 *); |