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56 lines
1.4 KiB
56 lines
1.4 KiB
#ifndef CSUM_FILE_H |
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#define CSUM_FILE_H |
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#include "hash.h" |
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struct progress; |
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/* A SHA1-protected file */ |
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struct hashfile { |
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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_hash_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 hashfile_checkpoint { |
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off_t offset; |
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git_hash_ctx ctx; |
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}; |
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extern void hashfile_checkpoint(struct hashfile *, struct hashfile_checkpoint *); |
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extern int hashfile_truncate(struct hashfile *, struct hashfile_checkpoint *); |
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/* finalize_hashfile flags */ |
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#define CSUM_CLOSE 1 |
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#define CSUM_FSYNC 2 |
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#define CSUM_HASH_IN_STREAM 4 |
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extern struct hashfile *hashfd(int fd, const char *name); |
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extern struct hashfile *hashfd_check(const char *name); |
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extern struct hashfile *hashfd_throughput(int fd, const char *name, struct progress *tp); |
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extern int finalize_hashfile(struct hashfile *, unsigned char *, unsigned int); |
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extern void hashwrite(struct hashfile *, const void *, unsigned int); |
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extern void hashflush(struct hashfile *f); |
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extern void crc32_begin(struct hashfile *); |
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extern uint32_t crc32_end(struct hashfile *); |
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static inline void hashwrite_u8(struct hashfile *f, uint8_t data) |
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{ |
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hashwrite(f, &data, sizeof(data)); |
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} |
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static inline void hashwrite_be32(struct hashfile *f, uint32_t data) |
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{ |
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data = htonl(data); |
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hashwrite(f, &data, sizeof(data)); |
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} |
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#endif
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