csum-file.h

   1 #ifndef CSUM_FILE_H
   2 #define CSUM_FILE_H
   3
   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];
  13 };
  14
  15 extern struct sha1file *sha1fd(int fd, const char *name);
  16 extern struct sha1file *sha1create(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  17 extern int sha1close(struct sha1file *, unsigned char *, int);
  18 extern int sha1write(struct sha1file *, void *, unsigned int);
  19 extern int sha1write_compressed(struct sha1file *, void *, unsigned int);
  20 extern void crc32_begin(struct sha1file *);
  21 extern uint32_t crc32_end(struct sha1file *);
  22
  23 #endif