git-p4: chdir now properly sets PWD environment variable in msysGit
[git/git-p4.git] / csum-file.h
blob72c9487f4fd9fcab5e02fc2dc6afd3cb7f9c036a
1 #ifndef CSUM_FILE_H
2 #define CSUM_FILE_H
4 struct progress;
6 /* A SHA1-protected file */
7 struct sha1file {
8 int fd;
9 unsigned int offset;
10 SHA_CTX ctx;
11 off_t total;
12 struct progress *tp;
13 const char *name;
14 int do_crc;
15 uint32_t crc32;
16 unsigned char buffer[8192];
19 /* sha1close flags */
20 #define CSUM_CLOSE 1
21 #define CSUM_FSYNC 2
23 extern struct sha1file *sha1fd(int fd, const char *name);
24 extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp);
25 extern int sha1close(struct sha1file *, unsigned char *, unsigned int);
26 extern int sha1write(struct sha1file *, void *, unsigned int);
27 extern void crc32_begin(struct sha1file *);
28 extern uint32_t crc32_end(struct sha1file *);
30 #endif