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         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];
  17 };
  18
  19 /* sha1close flags */
  20 #define CSUM_CLOSE      1
  21 #define CSUM_FSYNC      2
  22
  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 sha1flush(struct sha1file *f);
  28 extern void crc32_begin(struct sha1file *);
  29 extern uint32_t crc32_end(struct sha1file *);
  30
  31 #endif