packv4: nth_packed_object_sha1() packv4 support
[git/packv4.git] / csum-file.h
blobc3c792f1b56026b6a4d9d10b6ba63947c7f383cf
1 #ifndef CSUM_FILE_H
2 #define CSUM_FILE_H
4 /* A SHA1-protected file */
5 struct sha1file {
6 int fd, error;
7 unsigned int offset, namelen;
8 SHA_CTX ctx;
9 char name[PATH_MAX];
10 int do_crc;
11 uint32_t crc32;
12 unsigned char buffer[8192];
15 extern struct sha1file *sha1fd(int fd, const char *name);
16 extern int sha1close(struct sha1file *, unsigned char *, int);
17 extern int sha1write(struct sha1file *, void *, unsigned int);
18 extern void crc32_begin(struct sha1file *);
19 extern uint32_t crc32_end(struct sha1file *);
21 #endif