X-Git-Url: https://git.llucax.com/z.facultad/75.06/jacu.git/blobdiff_plain/784073eb4d4dba1995c35bf35d479c04e5f96e66..816b508c140a36259ad9864d1b655b8336e9ac30:/src/jacu.c diff --git a/src/jacu.c b/src/jacu.c index 21f31c5..3d18ed3 100644 --- a/src/jacu.c +++ b/src/jacu.c @@ -103,8 +103,39 @@ int main(int argc, char* argv[]) if (dflag == 1) { /* Descomprimo */ - return shuff_decode_file(argv[optind],argv[optind+1]); + FILE *fp_out; + VFILE *fp_in; + unsigned long int block_size, k; + char *block, *mtf, *orig; + int *pos; + + shuff_decode_file(argv[optind], "tmp.comp"); /*argv[optind+1]);*/ + fp_in = vfopen("tmp.comp", "r", 0); + fp_out = fopen(argv[optind+1], "wb"); + + while (!vfeof(fp_in)) { + block_size = 0; + vfread(&block_size, sizeof(unsigned long int), 1, fp_in); + if (block_size > 0) { + block = malloc((block_size+sizeof(unsigned long int))*sizeof(char)); + orig = malloc(block_size*sizeof(char)); + vfread(block, block_size, sizeof(char), fp_in); + + mtf = jacu_mtf_inv(block, /*XXX NO LO TENGO XXX */pos, block_size); + + memcpy(&k, block, sizeof(unsigned long int)); + + bs_restore(orig, block+sizeof(unsigned long int), k, block_size); + + fwrite(orig, block_size, sizeof(char), fp_out); + free(block); + free(orig); + free(mtf); + } + } + vfclose(fp_in); + fclose(fp_out); } - + return 0; }