write_idx_file: introduce a struct to hold idx customization options
[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
NP
8 int fd;
9 unsigned int offset;
9126f009 10 git_SHA_CTX ctx;
218558af 11 off_t total;
2a128d63 12 struct progress *tp;
ec640ed1 13 const char *name;
78d1e84f
NP
14 int do_crc;
15 uint32_t crc32;
c38138cd
LT
16 unsigned char buffer[8192];
17};
18
4c81b03e
LT
19/* sha1close flags */
20#define CSUM_CLOSE 1
21#define CSUM_FSYNC 2
22
4397f014 23extern struct sha1file *sha1fd(int fd, const char *name);
2a128d63 24extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp);
4c81b03e 25extern int sha1close(struct sha1file *, unsigned char *, unsigned int);
c38138cd 26extern int sha1write(struct sha1file *, void *, unsigned int);
838cd346 27extern void sha1flush(struct sha1file *f);
78d1e84f
NP
28extern void crc32_begin(struct sha1file *);
29extern uint32_t crc32_end(struct sha1file *);
c38138cd
LT
30
31#endif