git/csum-file.h

32 строки
757 B
C

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