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53 lines
1.3 KiB
53 lines
1.3 KiB
#ifndef CSUM_FILE_H |
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#define CSUM_FILE_H |
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struct progress; |
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/* A SHA1-protected file */ |
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struct sha1file { |
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int fd; |
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int check_fd; |
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unsigned int offset; |
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git_SHA_CTX ctx; |
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off_t total; |
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struct progress *tp; |
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const char *name; |
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int do_crc; |
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uint32_t crc32; |
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unsigned char buffer[8192]; |
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}; |
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/* Checkpoint */ |
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struct sha1file_checkpoint { |
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off_t offset; |
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git_SHA_CTX ctx; |
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}; |
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extern void sha1file_checkpoint(struct sha1file *, struct sha1file_checkpoint *); |
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extern int sha1file_truncate(struct sha1file *, struct sha1file_checkpoint *); |
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/* sha1close flags */ |
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#define CSUM_CLOSE 1 |
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#define CSUM_FSYNC 2 |
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extern struct sha1file *sha1fd(int fd, const char *name); |
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extern struct sha1file *sha1fd_check(const char *name); |
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extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp); |
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extern int sha1close(struct sha1file *, unsigned char *, unsigned int); |
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extern void sha1write(struct sha1file *, const void *, unsigned int); |
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extern void sha1flush(struct sha1file *f); |
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extern void crc32_begin(struct sha1file *); |
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extern uint32_t crc32_end(struct sha1file *); |
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static inline void sha1write_u8(struct sha1file *f, uint8_t data) |
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{ |
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sha1write(f, &data, sizeof(data)); |
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} |
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static inline void sha1write_be32(struct sha1file *f, uint32_t data) |
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{ |
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data = htonl(data); |
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sha1write(f, &data, sizeof(data)); |
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} |
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#endif
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