src/statichuff/main.c

   1 /*----------------------------------------------------------------------------
   2  *                   jacu - Just Another Compression Utility
   3  *----------------------------------------------------------------------------
   4  * This file is part of jacu.
   5  *
   6  * jacu is free software; you can redistribute it and/or modify it under the
   7  * terms of the GNU General Public License as published by the Free Software
   8  * Foundation; either version 2 of the License, or (at your option) any later
   9  * version.
  10  *
  11  * jacu is distributed in the hope that it will be useful, but WITHOUT ANY
  12  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  14  * details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with jacu; if not, write to the Free Software Foundation, Inc., 59 Temple
  18  * Place, Suite 330, Boston, MA  02111-1307  USA
  19  *----------------------------------------------------------------------------
  20  */
  21
  22
  23 #include "statichuff.h"
  24 #include <stdlib.h>
  25
  26 int main(int argc, char* argv[])
  27 {
  28         int cflag = 0;
  29         int dflag = 0;
  30         int tflag = 0;
  31         int mflag = 0;
  32         int sflag = 0;
  33         long int volumesize = 0;
  34         int ch;
  35         HUFF_STATE *shuff;
  36         char *staticmodel = NULL;
  37
  38         while ((ch = getopt(argc, argv, "scdm:t:")) != -1) {
  39
  40                 switch (ch) {
  41                         case 'c': cflag = 1;
  42                                           break;
  43
  44                         case 'd': dflag = 1;
  45                                           break;
  46
  47                         case 't': tflag = 1;
  48                                           volumesize = atoi(optarg);
  49                                           break;
  50
  51                         case 'm': mflag = 1;
  52                                           staticmodel = optarg;
  53                                           break;
  54
  55                         case 's': sflag = 1;
  56                                           break;
  57
  58                         default: fprintf(stderr, "Usage: %s [-cds] [-t volsizekb] sourcefile targetfile [-m modeldumpfile]\n", argv[0]);
  59                                          return(2);
  60                 }
  61         }
  62
  63         if ( (argc == 1) || (cflag & dflag) || !(cflag | dflag) || ((argc - optind) < 2) ) {
  64                 fprintf(stderr, "Usage: %s [-cds] [-t volsizekb] sourcefile targetfile [-m modeldumpfile]\n", argv[0]);
  65                 if ((tflag == 1) && (volumesize < 0)) fprintf(stderr,"Error: The volume size must be a non-zero value\n");
  66                 return (2);
  67         }
  68
  69         if (cflag == 1) {
  70                 /* Comprimo */
  71                 shuff = shuff_init_encoder_byfile(argv[optind],argv[optind+1],volumesize*1024);
  72                 if (mflag == 1) shuff_loadmodel(shuff,staticmodel);
  73             shuff_encode_file(shuff);
  74                 if (sflag == 1) shuff_savemodel(shuff);
  75                 shuff_deinit_encoder(shuff);
  76                 free(shuff);
  77         }
  78
  79         if (dflag == 1) {
  80                 /* Descomprimo */
  81                 shuff = shuff_init_decoder(argv[optind],argv[optind+1]);
  82                 shuff_decode_file(shuff);
  83                 shuff_deinit_decoder(shuff);
  84                 free(shuff);
  85         }
  86
  87         return 0;
  88 }