4d2735005a
Convert several direct uses of SHA-1 to use the_hash_algo instead. Convert one use of the constant 20 as well. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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 hashfile {
|
|
int fd;
|
|
int check_fd;
|
|
unsigned int offset;
|
|
git_hash_ctx ctx;
|
|
off_t total;
|
|
struct progress *tp;
|
|
const char *name;
|
|
int do_crc;
|
|
uint32_t crc32;
|
|
unsigned char buffer[8192];
|
|
};
|
|
|
|
/* Checkpoint */
|
|
struct hashfile_checkpoint {
|
|
off_t offset;
|
|
git_hash_ctx ctx;
|
|
};
|
|
|
|
extern void hashfile_checkpoint(struct hashfile *, struct hashfile_checkpoint *);
|
|
extern int hashfile_truncate(struct hashfile *, struct hashfile_checkpoint *);
|
|
|
|
/* hashclose flags */
|
|
#define CSUM_CLOSE 1
|
|
#define CSUM_FSYNC 2
|
|
|
|
extern struct hashfile *hashfd(int fd, const char *name);
|
|
extern struct hashfile *hashfd_check(const char *name);
|
|
extern struct hashfile *hashfd_throughput(int fd, const char *name, struct progress *tp);
|
|
extern int hashclose(struct hashfile *, unsigned char *, unsigned int);
|
|
extern void hashwrite(struct hashfile *, const void *, unsigned int);
|
|
extern void hashflush(struct hashfile *f);
|
|
extern void crc32_begin(struct hashfile *);
|
|
extern uint32_t crc32_end(struct hashfile *);
|
|
|
|
static inline void hashwrite_u8(struct hashfile *f, uint8_t data)
|
|
{
|
|
hashwrite(f, &data, sizeof(data));
|
|
}
|
|
|
|
static inline void hashwrite_be32(struct hashfile *f, uint32_t data)
|
|
{
|
|
data = htonl(data);
|
|
hashwrite(f, &data, sizeof(data));
|
|
}
|
|
|
|
#endif
|