1/*
  2 *  LibXDiff by Davide Libenzi ( File Differential Library )
  3 *  Copyright (C) 2003  Davide Libenzi
  4 *
  5 *  This library is free software; you can redistribute it and/or
  6 *  modify it under the terms of the GNU Lesser General Public
  7 *  License as published by the Free Software Foundation; either
  8 *  version 2.1 of the License, or (at your option) any later version.
  9 *
 10 *  This library is distributed in the hope that it will be useful,
 11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 13 *  Lesser General Public License for more details.
 14 *
 15 *  You should have received a copy of the GNU Lesser General Public
 16 *  License along with this library; if not, write to the Free Software
 17 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 18 *
 19 *  Davide Libenzi <davidel@xmailserver.org>
 20 *
 21 */
 22
 23#if !defined(XDIFF_H)
 24#define XDIFF_H
 25
 26#ifdef __cplusplus
 27extern "C" {
 28#endif /* #ifdef __cplusplus */
 29
 30
 31#define XDF_NEED_MINIMAL (1 << 1)
 32#define XDF_IGNORE_WHITESPACE (1 << 2)
 33#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
 34#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE)
 35
 36#define XDL_PATCH_NORMAL '-'
 37#define XDL_PATCH_REVERSE '+'
 38#define XDL_PATCH_MODEMASK ((1 << 8) - 1)
 39#define XDL_PATCH_IGNOREBSPACE (1 << 8)
 40
 41#define XDL_EMIT_FUNCNAMES (1 << 0)
 42#define XDL_EMIT_COMMON (1 << 1)
 43
 44#define XDL_MMB_READONLY (1 << 0)
 45
 46#define XDL_MMF_ATOMIC (1 << 0)
 47
 48#define XDL_BDOP_INS 1
 49#define XDL_BDOP_CPY 2
 50#define XDL_BDOP_INSB 3
 51
 52#define XDL_MERGE_MINIMAL 0
 53#define XDL_MERGE_EAGER 1
 54#define XDL_MERGE_ZEALOUS 2
 55
 56typedef struct s_mmfile {
 57	char *ptr;
 58	long size;
 59} mmfile_t;
 60
 61typedef struct s_mmbuffer {
 62	char *ptr;
 63	long size;
 64} mmbuffer_t;
 65
 66typedef struct s_xpparam {
 67	unsigned long flags;
 68} xpparam_t;
 69
 70typedef struct s_xdemitcb {
 71	void *priv;
 72	int (*outf)(void *, mmbuffer_t *, int);
 73} xdemitcb_t;
 74
 75typedef struct s_xdemitconf {
 76	long ctxlen;
 77	unsigned long flags;
 78} xdemitconf_t;
 79
 80typedef struct s_bdiffparam {
 81	long bsize;
 82} bdiffparam_t;
 83
 84
 85#define xdl_malloc(x) malloc(x)
 86#define xdl_free(ptr) free(ptr)
 87#define xdl_realloc(ptr,x) realloc(ptr,x)
 88
 89void *xdl_mmfile_first(mmfile_t *mmf, long *size);
 90void *xdl_mmfile_next(mmfile_t *mmf, long *size);
 91long xdl_mmfile_size(mmfile_t *mmf);
 92
 93int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
 94	     xdemitconf_t const *xecfg, xdemitcb_t *ecb);
 95
 96int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
 97		mmfile_t *mf2, const char *name2,
 98		xpparam_t const *xpp, int level, mmbuffer_t *result);
 99
100#ifdef __cplusplus
101}
102#endif /* #ifdef __cplusplus */
103
104#endif /* #if !defined(XDIFF_H) */
105