1#ifndef CSUM_FILE_H
2#define CSUM_FILE_H
3
4struct progress;
5
6/* A SHA1-protected file */
7struct sha1file {
8 int fd;
9 int check_fd;
10 unsigned int offset;
11 git_SHA_CTX ctx;
12 off_t total;
13 struct progress *tp;
14 const char *name;
15 int do_crc;
16 uint32_t crc32;
17 unsigned char buffer[8192];
18};
19
20/* sha1close flags */
21#define CSUM_CLOSE 1
22#define CSUM_FSYNC 2
23
24extern struct sha1file *sha1fd(int fd, const char *name);
25extern struct sha1file *sha1fd_check(const char *name);
26extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp);
27extern int sha1close(struct sha1file *, unsigned char *, unsigned int);
28extern int sha1write(struct sha1file *, void *, unsigned int);
29extern void sha1flush(struct sha1file *f);
30extern void crc32_begin(struct sha1file *);
31extern uint32_t crc32_end(struct sha1file *);
32
33#endif