mirror of
https://github.com/git/git.git
synced 2024-11-27 20:14:30 +08:00
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#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 *);
|
|
|
|
static inline void sha1write_u8(struct sha1file *f, uint8_t data)
|
|
{
|
|
sha1write(f, &data, sizeof(data));
|
|
}
|
|
|
|
static inline void sha1write_be32(struct sha1file *f, uint32_t data)
|
|
{
|
|
data = htonl(data);
|
|
sha1write(f, &data, sizeof(data));
|
|
}
|
|
|
|
#endif
|