X-Git-Url: https://git.llucax.com/z.facultad/75.06/jacu.git/blobdiff_plain/20b0b8b6db70b1a0c9b4c211f43e91562af6c54c..d53cc94464bba53e0be1297ca0cc746901ec113b:/src/jacu.c?ds=inline diff --git a/src/jacu.c b/src/jacu.c index 75ca87c..8f9beb0 100644 --- a/src/jacu.c +++ b/src/jacu.c @@ -20,10 +20,11 @@ typedef struct _flags_ { int qflag; int sflag; int mflag; + int rflag; /* Richard Dictionary :-) */ } t_Flags; int comprimir(char *src, char *dst, Uint32 pagesize, Uint32 volumesize, t_Flags *flags, char *staticmodel); -int descomprimir(char *src, char *dst); +int descomprimir(char *src, char *dst, t_Flags *flags); int main(int argc, char* argv[]) { @@ -35,7 +36,7 @@ int main(int argc, char* argv[]) memset(&flags, 0, sizeof(t_Flags)); - while ((ch = getopt(argc, argv, "scdzm:t:q:")) != -1) { + while ((ch = getopt(argc, argv, "rscdzm:t:q:")) != -1) { switch (ch) { case 'c': flags.cflag = 1; @@ -58,6 +59,8 @@ int main(int argc, char* argv[]) volumesize = atol(optarg); break; + case 'r': flags.rflag = 1; + break; case 'q': flags.qflag = 1; switch (atoi(optarg)) { @@ -85,13 +88,13 @@ int main(int argc, char* argv[]) } break; - default: fprintf(stderr, "Usage: %s [-cdzs][-q blksize][-t volsize][-m modeldumpfile] source target\n", argv[0]); + default: fprintf(stderr, "Usage: %s [-cdzsr][-q blksize][-t volsize][-m modeldumpfile] source target\n", argv[0]); return(2); } } if ( (argc == 1) || (flags.cflag & flags.dflag) || !(flags.cflag | flags.dflag) || ((argc - optind) < 2) || (flags.mflag & flags.sflag)) { - fprintf(stderr, "Usage: %s [-cdzs][-q compressionquality][-t volsize][-m modeldumpfile] source target\n", argv[0]); + fprintf(stderr, "Usage: %s [-cdzsr][-q compressionquality][-t volsize][-m modeldumpfile] source target\n", argv[0]); return (3); } if ((flags.tflag) && (volumesize <= 0l)) { @@ -108,7 +111,7 @@ int main(int argc, char* argv[]) } if (flags.dflag == 1) { - return descomprimir(argv[optind], argv[optind+1]); + return descomprimir(argv[optind], argv[optind+1], &flags); } return 0; @@ -161,7 +164,7 @@ int comprimir(char *src, char *dst, Uint32 pagesize, Uint32 volumesize, t_Flags total = 0; while (!feof(fp)) { i = 0; - i = bs_readblock(fp, data, pagesize); + i = bs_readblock(fp, data, pagesize, flags->rflag); total += i; @@ -216,14 +219,14 @@ int comprimir(char *src, char *dst, Uint32 pagesize, Uint32 volumesize, t_Flags return 0; } -int descomprimir(char *src, char *dst) +int descomprimir(char *src, char *dst, t_Flags *flags) { /* Descomprimo */ FILE *fp_out; Uint32 block_size = 0, k; unsigned char *block, *mtf, *orig; unsigned char *z; - int z_len=0,moredata = 0,decoded = 0; + Uint32 z_len=0,moredata = 0,decoded = 0; unsigned char use_zg = 0,retbytes = 0; HUFF_STATE *shuff; @@ -295,7 +298,11 @@ int descomprimir(char *src, char *dst) /* Obtengo el chunk original aplicando BS Inverso */ bs_restore(orig, mtf+sizeof(Uint32), k, decoded - sizeof(Uint32)); - fwrite(orig, decoded - sizeof(Uint32), sizeof(unsigned char), fp_out); + /* XXX AHORA METO EL FLAG EN EL ARCHIVO; DON'T WORRRRRYYYYYYY XXX */ + if (flags->rflag == 1) + orig = bs_finalblock(orig, decoded-sizeof(Uint32), &decoded); + + fwrite(orig, decoded, sizeof(unsigned char), fp_out); free(mtf); free(z); }