#include "zerogrouping/zerogrouping.h"
#include "statichuff/statichuff.h"
#include "vfile/vfile.h"
+#include "vfile/common.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
int dflag = 0;
int zflag = 0;
int tflag = 0;
- int pflag = 0;
+ int qflag = 0;
long int volumesize = 0;
size_t pagesize = 32768; /* 32KB */
int ch;
t_BlockSort *bs;
- while ((ch = getopt(argc, argv, "cdzt:p:")) != -1) {
+ while ((ch = getopt(argc, argv, "cdzt:q:")) != -1) {
switch (ch) {
case 'c': cflag = 1;
break;
case 't': tflag = 1;
- volumesize = atol(optarg);
- break;
-
- case 'p': pflag = 1;
- pagesize = atoi(optarg);
- break;
+ volumesize = atol(optarg);
+ break;
+
+ case 'q': qflag = 1;
+ switch (atoi(optarg))
+ {
+ case 0: pagesize = 1024; /* 1K */
+ break;
+ case 1: pagesize = 2048; /* 2K */
+ break;
+ case 2: pagesize = 4096; /* 4K */
+ break;
+ case 3: pagesize = 8192; /* 8K */
+ break;
+ case 4: pagesize = 16384; /* 16K */
+ break;
+ case 5: pagesize = 32768; /* 32K */
+ break;
+ case 6: pagesize = 65536; /* 64K */
+ break;
+ case 7: pagesize = 131072; /* 128K */
+ break;
+ case 8: pagesize = 262144; /* 256K */
+ break;
+ case 9: pagesize = 524288; /* 512K */
+ break;
+ default: pagesize = 0; /* error */
+ }
+ break;
default: fprintf(stderr, "Usage: %s [-cdpt] sourcefile targetfile\n", argv[0]);
return(2);
fprintf(stderr,"Error: The volume size must be a non-zero value\n");
return (4);
}
- if ((pflag) && (pagesize <= 1u)) {
- fprintf(stderr,"Error: El tamaño de página debe ser mayor a 1 byte.\n");
+ if ((qflag) && (pagesize <= 1u)) {
+ fprintf(stderr,"Error: El nivel de compresión debe ser entre 0 (menor) y 9 (mayor).\n");
return (5);
}
if ((len = zg_group(&zg, buff, mtf[j]))) fwrite(buff, 1, len, fp_out);
} else {
/* Guardo el PageSize */
- for(j=0; j<sizeof(Uint32); j++)
- fputc(mtf[j], fp_out);
+ //for(j=0; j<sizeof(Uint32); j++)
+ // fputc(mtf[j], fp_out);
+ fwrite(mtf, sizeof(Uint32), 1, fp_out);
/* Guardo el Z len y el Z */
fwrite(&z_len, sizeof(int), 1, fp_out);
bs_destroy(bs);
/* Comprimo con huffman */
- i = shuff_encode_file("tmp.comp",argv[optind+1], volumesize);
+ i = shuff_encode_file("tmp.comp", argv[optind+1], volumesize);
/* borro el temporal */
- unlink("tmp.comp");
+ remove("tmp.comp");
/* Muestro bpb */
printf("Comprimido a %.04f bpb.\n", get_file_size(argv[optind+1])*8.0/get_file_size(argv[optind]));
while (!feof(fp_in)) {
block_size = 0;
+ PERR("Leo bloque");
fread(&block_size, sizeof(Uint32), 1, fp_in);
fread(&z_len, sizeof(int), 1, fp_in);
z = malloc(sizeof(char)*z_len);
orig = malloc(block_size*sizeof(char));
fread(block, block_size, sizeof(char), fp_in);
+ /* Hago el MTF inverso */
mtf = jacu_mtf_inv(z, block, block_size);
+ /* Luego de hacer el MTF inverso ya puedo recuperar el k */
memcpy(&k, block, sizeof(Uint32));
bs_restore(orig, block+sizeof(Uint32), k, block_size);