/*

 *  LibXDiff by Davide Libenzi ( File Differential Library )

 *  Copyright (C) 2003  Davide Libenzi

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser General Public

 *  License as published by the Free Software Foundation; either

 *  version 2.1 of the License, or (at your option) any later version.

 *

 *  This library is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  Lesser General Public License for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public

 *  License along with this library; if not, see

 *  <http://www.gnu.org/licenses/>.

 *

 *  Davide Libenzi <davidel@xmailserver.org>

 *

 */

#if !defined(XDIFF_H)

#define XDIFF_H

#ifdef __cplusplus

extern "C" {

#endif /* #ifdef __cplusplus */

#include <stddef.h> /* size_t */

#if !defined(_MSC_VER) || _MSC_VER >= 1600

#include <stdint.h>

#else

/* prior to Visual Studio 2010 */

typedef long long int64_t;

typedef unsigned long long uint64_t;

#endif

/* xpparm_t.flags */

#define XDF_NEED_MINIMAL (1 << 0)

#define XDF_INDENT_HEURISTIC (1 << 23)

/* emit bdiff-style "matched" (a1, a2, b1, b2) hunks instead of "different"

 * (a1, a2 - a1, b1, b2 - b1) hunks */

#define XDL_EMIT_BDIFFHUNK (1 << 4)

typedef struct s_mmfile {

	char *ptr;

	int64_t size;

} mmfile_t;

typedef struct s_mmbuffer {

	char *ptr;

	int64_t size;

} mmbuffer_t;

typedef struct s_xpparam {

	uint64_t flags;

} xpparam_t;

typedef struct s_xdemitcb {

	void *priv;

} xdemitcb_t;

typedef int (*xdl_emit_hunk_consume_func_t)(int64_t start_a, int64_t count_a,

					    int64_t start_b, int64_t count_b,

					    void *cb_data);

typedef struct s_xdemitconf {

	uint64_t flags;

	xdl_emit_hunk_consume_func_t hunk_func;

} xdemitconf_t;

#define xdl_malloc(x) malloc(x)

#define xdl_free(ptr) free(ptr)

#define xdl_realloc(ptr,x) realloc(ptr,x)

void *xdl_mmfile_first(mmfile_t *mmf, int64_t *size);

int64_t xdl_mmfile_size(mmfile_t *mmf);

int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,

	     xdemitconf_t const *xecfg, xdemitcb_t *ecb);

#ifdef __cplusplus

}

#endif /* #ifdef __cplusplus */

#endif /* #if !defined(XDIFF_H) */