[libgit2.git] / src / delta-apply.h

#ifndef INCLUDE_delta_apply_h__
#define INCLUDE_delta_apply_h__

#include "odb.h"

/**
 * Apply a git binary delta to recover the original content.
 *
 * @param out the output buffer to receive the original data.
 *		Only out->data and out->len are populated, as this is
 *		the only information available in the delta.
 * @param base the base to copy from during copy instructions.
 * @param base_len number of bytes available at base.
 * @param delta the delta to execute copy/insert instructions from.
 * @param delta_len total number of bytes in the delta.
 * @return
 * - GIT_SUCCESS on a successful delta unpack.
 * - GIT_ERROR if the delta is corrupt or doesn't match the base.
 */
extern int git__delta_apply(
	git_rawobj *out,
	const unsigned char *base,
	size_t base_len,
	const unsigned char *delta,
	size_t delta_len);

#endif
Commit	Line	Data
c23841c8 SP	1	#ifndef INCLUDE_delta_apply_h__
	2	#define INCLUDE_delta_apply_h__
	3
72a3fe42 VM	4	#include "odb.h"
72a3fe42 VM	5
c23841c8 SP	6	/**
	7	* Apply a git binary delta to recover the original content.
	8	*
	9	* @param out the output buffer to receive the original data.
	10	* Only out->data and out->len are populated, as this is
	11	* the only information available in the delta.
	12	* @param base the base to copy from during copy instructions.
	13	* @param base_len number of bytes available at base.
	14	* @param delta the delta to execute copy/insert instructions from.
	15	* @param delta_len total number of bytes in the delta.
	16	* @return
	17	* - GIT_SUCCESS on a successful delta unpack.
	18	* - GIT_ERROR if the delta is corrupt or doesn't match the base.
	19	*/
e035685f	20	extern int git__delta_apply(
f49a2e49	21	git_rawobj *out,
c23841c8 SP	22	const unsigned char *base,
	23	size_t base_len,
	24	const unsigned char *delta,
	25	size_t delta_len);
	26
	27	#endif