Se implementa zerogrouping sin uso de buffer (caracter a caracter). Esto mejora

[z.facultad/75.06/jacu.git] / src / blocksorting / bs.c

diff --git a/src/blocksorting/bs.c b/src/blocksorting/bs.c
index 21e1ff664e6b18fb6ce39e890a24c775e4b74c6b..9463b433401793f92ec978484180e3d5942e0590 100644 (file)
--- a/src/blocksorting/bs.c
+++ b/src/blocksorting/bs.c
@@ -1,5 +1,6 @@
 
 #include "bs.h"
+#include <stdlib.h>
 
 /* Block Sorting Optimizado en memoria! */
 
@@ -72,10 +73,15 @@ void print_(char *data, unsigned long int pos, unsigned long int len)
 int generar_salida(char *data, t_BlockSort *bs, char *salida)
 {
        unsigned long int i, k;
+       char *out;
+
+       /* Dejo lugar para guardar el k y el tamaño de este bloque */
+       out = salida + sizeof(unsigned long int)*2;
+
        k=-1;
        for(i=0; i<bs->len; i++) {
                /* print_(data, bs->array[i].pos_inicial, bs->len); */
-               salida[i] = data[bs->array[i].pos_final];
+               out[i] = data[bs->array[i].pos_final];
                if (bs->array[i].ord == 1) k = i;
        }
        return k;
@@ -93,6 +99,10 @@ void bs_solve(char *in, char *out, t_BlockSort *bs, unsigned long int *k, unsign
        ordenar_array(in, bs);
        (*k) = generar_salida(in, bs, out);
 
+       /* Guardo el k y el tamaño en el array */
+       memcpy(out, &leido, sizeof(unsigned long int));
+       memcpy(out+sizeof(unsigned long int), k, sizeof(unsigned long int));
+
        bs->len = l;
 }