X-Git-Url: https://git.llucax.com/z.facultad/75.06/jacu.git/blobdiff_plain/22942d33dcdd7cc185b9ad198fc1c35159f154ea..c64d97e6f5f058648074b74ef4d8c3142826777f:/src/statichuff/main_bychunk.c diff --git a/src/statichuff/main_bychunk.c b/src/statichuff/main_bychunk.c index 12f8028..7afddee 100644 --- a/src/statichuff/main_bychunk.c +++ b/src/statichuff/main_bychunk.c @@ -1,3 +1,24 @@ +/*---------------------------------------------------------------------------- + * jacu - Just Another Compression Utility + *---------------------------------------------------------------------------- + * This file is part of jacu. + * + * jacu is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * jacu 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 General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License along + * with jacu; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place, Suite 330, Boston, MA 02111-1307 USA + *---------------------------------------------------------------------------- + */ + #include "statichuff.h" #include @@ -10,10 +31,13 @@ int main(int argc, char* argv[]) int cflag = 0; int dflag = 0; int tflag = 0; + int sflag = 0; + int mflag = 0; long int volumesize = 0; int lastchunk,i,j,ch,decoded = 0; + char *staticmodel; - while ((ch = getopt(argc, argv, "cdt:")) != -1) { + while ((ch = getopt(argc, argv, "scdm:t:")) != -1) { switch (ch) { case 'c': cflag = 1; @@ -26,13 +50,20 @@ int main(int argc, char* argv[]) volumesize = atoi(optarg); break; - default: fprintf(stderr, "Usage: %s [-cdt] sourcefile targetfile\n", argv[0]); + case 'm': mflag = 1; + staticmodel = optarg; + break; + + case 's': sflag = 1; + break; + + default: fprintf(stderr, "Usage: %s [-cds] [-t volsizekb] sourcefile targetfile [-m modeldumpfile]\n", argv[0]); return(2); } } - if ( (argc == 1) || (cflag & dflag) || !(cflag | dflag) || ((argc - optind) < 2) ) { - fprintf(stderr, "Usage: %s [-cdt] sourcefile targetfile\n", argv[0]); + if ( (argc == 1) || (cflag & dflag) || !(cflag | dflag) || ((argc - optind) < 2) || (mflag & sflag)) { + fprintf(stderr, "Usage: %s [-cds] [-t volsizekb] sourcefile targetfile [-m modeldumpfile]\n", argv[0]); if ((tflag == 1) && (volumesize < 0)) fprintf(stderr,"Error: The volume size must be a non-zero value\n"); return (2); } @@ -40,6 +71,7 @@ int main(int argc, char* argv[]) if (cflag == 1) { /* Inicio un compresor huffman estatico por chunks */ if ((shuff = shuff_init_encoder_bychunk(argv[optind+1],volumesize*1024)) == NULL) return 0; + if (mflag == 1) shuff_loadmodel(shuff,staticmodel); /* Comprimo por chunks */ if ((fp = fopen(argv[optind],"rb")) == NULL) return 1; @@ -56,14 +88,14 @@ int main(int argc, char* argv[]) shuff_scanfreq_chunk(shuff,chunk,i); } /* Le indico al huffman que efectivamente comprima los chunks */ - shuff_encode_file(shuff); + shuff_encode_file(shuff); + if (sflag == 1) shuff_savemodel(shuff); /* De init encoder */ shuff_deinit_encoder(shuff); /* Free mem allocated by main */ - free(shuff); - free(chunk); + free(shuff); /* Close files opened by main */ fclose(fp); @@ -84,8 +116,10 @@ int main(int argc, char* argv[]) /* Deinit decoder */ shuff_deinit_decoder(shuff); - free(shuff); + free(shuff); } - + + /* Free mem */ + free(chunk); return 0; }