xdiff/xdiffi.h

   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, see
  17  *  <http://www.gnu.org/licenses/>.
  18  *
  19  *  Davide Libenzi <davidel@xmailserver.org>
  20  *
  21  */
  22
  23 #if !defined(XDIFFI_H)
  24 #define XDIFFI_H
  25
  26
  27 typedef struct s_diffdata {
  28         long nrec;
  29         unsigned long const *ha;
  30         long *rindex;
  31         char *rchg;
  32 } diffdata_t;
  33
  34 typedef struct s_xdalgoenv {
  35         long mxcost;
  36         long snake_cnt;
  37         long heur_min;
  38 } xdalgoenv_t;
  39
  40 typedef struct s_xdchange {
  41         struct s_xdchange *next;
  42         long i1, i2;
  43         long chg1, chg2;
  44         int ignore;
  45 } xdchange_t;
  46
  47
  48
  49 int xdl_recs_cmp(diffdata_t *dd1, long off1, long lim1,
  50                  diffdata_t *dd2, long off2, long lim2,
  51                  long *kvdf, long *kvdb, int need_min, xdalgoenv_t *xenv);
  52 int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
  53                 xdfenv_t *xe);
  54 int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags);
  55 int xdl_build_script(xdfenv_t *xe, xdchange_t **xscr);
  56 void xdl_free_script(xdchange_t *xscr);
  57 int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
  58                   xdemitconf_t const *xecfg);
  59 int xdl_do_patience_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
  60                 xdfenv_t *env);
  61 int xdl_do_histogram_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
  62                 xdfenv_t *env);
  63
  64 #endif /* #if !defined(XDIFFI_H) */