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#ifndef DELTA_H
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#define DELTA_H
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/* handling of delta buffers */
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extern void *diff_delta(void *from_buf, unsigned long from_size,
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void *to_buf, unsigned long to_size,
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unsigned long *delta_size);
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extern void *patch_delta(void *src_buf, unsigned long src_size,
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void *delta_buf, unsigned long delta_size,
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unsigned long *dst_size);
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/* handling of delta objects */
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struct delta;
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struct object_list;
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extern struct delta *lookup_delta(const unsigned char *sha1);
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extern int parse_delta_buffer(struct delta *item, void *buffer, unsigned long size);
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extern int parse_delta(struct delta *item, unsigned char sha1);
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extern int process_deltas(void *src, unsigned long src_size,
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const char *src_type, struct object_list *delta);
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#endif
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