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4c81b03e30
This means that we can depend on packs always being stable on disk, simplifying a lot of the object serialization worries. And unlike loose objects, serializing pack creation IO isn't going to be a performance killer. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
31 lines
714 B
C
31 lines
714 B
C
#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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unsigned int offset;
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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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/* 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_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 int sha1write(struct sha1file *, void *, unsigned int);
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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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#endif
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