Custom compression levels for objects and packs
[git/git.git] / csum-file.h
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c38138cd
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1#ifndef CSUM_FILE_H
2#define CSUM_FILE_H
3
4/* A SHA1-protected file */
5struct sha1file {
6 int fd, error;
e1808845 7 unsigned int offset, namelen;
c38138cd 8 SHA_CTX ctx;
e1808845 9 char name[PATH_MAX];
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10 int do_crc;
11 uint32_t crc32;
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12 unsigned char buffer[8192];
13};
14
4397f014 15extern struct sha1file *sha1fd(int fd, const char *name);
4ec99bf0 16extern struct sha1file *sha1create(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
e1808845 17extern int sha1close(struct sha1file *, unsigned char *, int);
c38138cd 18extern int sha1write(struct sha1file *, void *, unsigned int);
960ccca6 19extern int sha1write_compressed(struct sha1file *, void *, unsigned int, int);
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20extern void crc32_begin(struct sha1file *);
21extern uint32_t crc32_end(struct sha1file *);
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22
23#endif