csum-file.h 566 Bytes
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#ifndef CSUM_FILE_H
#define CSUM_FILE_H

/* A SHA1-protected file */
struct sha1file {
	int fd, error;
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	unsigned int offset, namelen;
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	SHA_CTX ctx;
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	char name[PATH_MAX];
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	unsigned char buffer[8192];
};

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extern struct sha1file *sha1fd(int fd, const char *name);
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extern struct sha1file *sha1create(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
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extern int sha1close(struct sha1file *, unsigned char *, int);
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extern int sha1write(struct sha1file *, void *, unsigned int);
extern int sha1write_compressed(struct sha1file *, void *, unsigned int);

#endif