diff options
Diffstat (limited to 'csum-file.h')
| -rw-r--r-- | csum-file.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/csum-file.h b/csum-file.h new file mode 100644 index 0000000000..72c9487f4f --- /dev/null +++ b/csum-file.h @@ -0,0 +1,30 @@ +#ifndef CSUM_FILE_H +#define CSUM_FILE_H + +struct progress; + +/* A SHA1-protected file */ +struct sha1file { + int fd; + unsigned int offset; + SHA_CTX ctx; + off_t total; + struct progress *tp; + const char *name; + int do_crc; + uint32_t crc32; + unsigned char buffer[8192]; +}; + +/* sha1close flags */ +#define CSUM_CLOSE 1 +#define CSUM_FSYNC 2 + +extern struct sha1file *sha1fd(int fd, const char *name); +extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp); +extern int sha1close(struct sha1file *, unsigned char *, unsigned int); +extern int sha1write(struct sha1file *, void *, unsigned int); +extern void crc32_begin(struct sha1file *); +extern uint32_t crc32_end(struct sha1file *); + +#endif |