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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