csum-file.h

   1 #ifndef CSUM_FILE_H
   2 #define CSUM_FILE_H
   3
   4 struct progress;
   5
   6 /* A SHA1-protected file */
   7 struct sha1file {
   8         int fd;
   9         int check_fd;
  10         unsigned int offset;
  11         git_SHA_CTX ctx;
  12         off_t total;
  13         struct progress *tp;
  14         const char *name;
  15         int do_crc;
  16         uint32_t crc32;
  17         unsigned char buffer[8192];
  18 };
  19
  20 /* sha1close flags */
  21 #define CSUM_CLOSE      1
  22 #define CSUM_FSYNC      2
  23
  24 extern struct sha1file *sha1fd(int fd, const char *name);
  25 extern struct sha1file *sha1fd_check(const char *name);
  26 extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp);
  27 extern int sha1close(struct sha1file *, unsigned char *, unsigned int);
  28 extern int sha1write(struct sha1file *, void *, unsigned int);
  29 extern void sha1flush(struct sha1file *f);
  30 extern void crc32_begin(struct sha1file *);
  31 extern uint32_t crc32_end(struct sha1file *);
  32
  33 #endif