[libgit2.git] / src / git_odb.c

/*
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Git Development Community nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "git_odb.h"

struct git_odb {
	/** Path to the "objects" directory. */
	const char *path;

	/** Alternate databases to search. */
	git_odb **alternates;

	/** Number of alternates available. */
	unsigned n_alternates;
};

int git_odb_read(
	git_sobj *out,
	git_odb *db,
	const git_oid *id)
{
	if (!git_odb__read_packed(out, db, id))
		return GIT_SUCCESS;
	return git_odb__read_loose(out, db, id);
}
Commit	Line	Data
c15648cb SP	1	/*
	2	* All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or
	5	* without modification, are permitted provided that the following
	6	* conditions are met:
	7	*
	8	* - Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	*
	11	* - Redistributions in binary form must reproduce the above
	12	* copyright notice, this list of conditions and the following
	13	* disclaimer in the documentation and/or other materials provided
	14	* with the distribution.
	15	*
	16	* - Neither the name of the Git Development Community nor the
	17	* names of its contributors may be used to endorse or promote
	18	* products derived from this software without specific prior
	19	* written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
	22	* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
	23	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	24	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	25	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	26	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	27	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	28	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	29	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
	30	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	31	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	32	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	33	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	34	*/
	35
	36	#include "git_odb.h"
	37
6533aadc	38	struct git_odb {
1cd20d3a SP	39	/** Path to the "objects" directory. */
	40	const char *path;
	41
	42	/** Alternate databases to search. */
6533aadc	43	git_odb **alternates;
1cd20d3a SP	44
	45	/** Number of alternates available. */
	46	unsigned n_alternates;
	47	};
	48
de2220a4	49	int git_odb_read(
6533aadc SP	50	git_sobj *out,
	51	git_odb *db,
	52	const git_oid *id)
c15648cb	53	{
46d8b885	54	if (!git_odb__read_packed(out, db, id))
c15648cb	55	return GIT_SUCCESS;
46d8b885	56	return git_odb__read_loose(out, db, id);
c15648cb	57	}