ewah_bitmap.c: do not assume size_t and eword_t are the same size
[git/git.git] / csum-file.h
CommitLineData
c38138cd
LT
1#ifndef CSUM_FILE_H
2#define CSUM_FILE_H
3
2a128d63
NP
4struct progress;
5
c38138cd
LT
6/* A SHA1-protected file */
7struct sha1file {
ec640ed1 8 int fd;
e337a04d 9 int check_fd;
ec640ed1 10 unsigned int offset;
9126f009 11 git_SHA_CTX ctx;
218558af 12 off_t total;
2a128d63 13 struct progress *tp;
ec640ed1 14 const char *name;
78d1e84f
NP
15 int do_crc;
16 uint32_t crc32;
c38138cd
LT
17 unsigned char buffer[8192];
18};
19
6c526148
JH
20/* Checkpoint */
21struct sha1file_checkpoint {
22 off_t offset;
23 git_SHA_CTX ctx;
24};
25
26extern void sha1file_checkpoint(struct sha1file *, struct sha1file_checkpoint *);
27extern int sha1file_truncate(struct sha1file *, struct sha1file_checkpoint *);
28
4c81b03e
LT
29/* sha1close flags */
30#define CSUM_CLOSE 1
31#define CSUM_FSYNC 2
32
4397f014 33extern struct sha1file *sha1fd(int fd, const char *name);
e337a04d 34extern struct sha1file *sha1fd_check(const char *name);
2a128d63 35extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp);
4c81b03e 36extern int sha1close(struct sha1file *, unsigned char *, unsigned int);
e74435a5 37extern int sha1write(struct sha1file *, const void *, unsigned int);
838cd346 38extern void sha1flush(struct sha1file *f);
78d1e84f
NP
39extern void crc32_begin(struct sha1file *);
40extern uint32_t crc32_end(struct sha1file *);
c38138cd
LT
41
42#endif