From 784073eb4d4dba1995c35bf35d479c04e5f96e66 Mon Sep 17 00:00:00 2001
From: Ricardo Markiewicz <gazer.arg@gmail.com>
Date: Mon, 21 Jun 2004 20:28:30 +0000
Subject: [PATCH 1/1]  Algunas mejoras, comentarios y arreglos

---
 src/Makefile          |  4 +---
 src/blocksorting/bs.c |  4 ++--
 src/jacu.c            | 18 ++++++++++++++----
 src/mtf/mtf.c         |  4 ++--
 src/mtf/mtf.h         |  2 +-
 5 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index fd18b1e..a046cde 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -47,13 +47,11 @@ clean:
 
 jacu.o: statichuff/statichuff.h /usr/include/stdio.h /usr/include/features.h
 jacu.o: /usr/include/sys/cdefs.h /usr/include/gnu/stubs.h
-jacu.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stddef.h
 jacu.o: /usr/include/bits/types.h /usr/include/bits/wordsize.h
 jacu.o: /usr/include/bits/typesizes.h /usr/include/libio.h
 jacu.o: /usr/include/_G_config.h /usr/include/wchar.h
 jacu.o: /usr/include/bits/wchar.h /usr/include/gconv.h
-jacu.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stdarg.h
 jacu.o: /usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h
 jacu.o: /usr/include/unistd.h /usr/include/bits/posix_opt.h
 jacu.o: /usr/include/bits/confname.h blocksorting/bs.h /usr/include/string.h
-jacu.o: /usr/include/stdlib.h mtf/mtf.h
+jacu.o: /usr/include/stdlib.h mtf/mtf.h vfile/vfile.h
diff --git a/src/blocksorting/bs.c b/src/blocksorting/bs.c
index 64ea8ab..9463b43 100644
--- a/src/blocksorting/bs.c
+++ b/src/blocksorting/bs.c
@@ -100,8 +100,8 @@ void bs_solve(char *in, char *out, t_BlockSort *bs, unsigned long int *k, unsign
 	(*k) = generar_salida(in, bs, out);
 
 	/* Guardo el k y el tamaño en el array */
-	memcpy(out, k, sizeof(unsigned long int));
-	memcpy(out+sizeof(unsigned long int), &leido, sizeof(unsigned long int));
+	memcpy(out, &leido, sizeof(unsigned long int));
+	memcpy(out+sizeof(unsigned long int), k, sizeof(unsigned long int));
 
 	bs->len = l;
 }
diff --git a/src/jacu.c b/src/jacu.c
index 8e74812..21f31c5 100644
--- a/src/jacu.c
+++ b/src/jacu.c
@@ -58,14 +58,16 @@ int main(int argc, char* argv[])
 		/* No me gusta el tmpfile ... es para probar como anda todo junto */
 		FILE *fp, *fp_out;
 		unsigned long int i, j, total, k;
-		int *mtf;
+		char *mtf;
 		char *salida, *data, c;
 		data = malloc(sizeof(char)*pagesize);
-		/* Reservo lugar tambien para guardar el k */
+		/* Reservo lugar tambien para guardar el k y el tamaño  */
 		salida = malloc(sizeof(char)*(pagesize)+sizeof(unsigned long int)*2);
 		bs = bs_create(pagesize);
+
 		fp = fopen(argv[optind], "rb");
 		fp_out = fopen("tmp.comp", "wb");
+
 		c = fgetc(fp);
 		total = 0;
 		while (!feof(fp)) {
@@ -75,17 +77,25 @@ int main(int argc, char* argv[])
 				c = fgetc(fp);
 				total++;
 			}
+
 			/* Hago el BS */
 			bs_solve(data, salida, bs, &k, i);
-			/* Le aplico el MTF */
-			mtf = jacu_mtf(salida, i+sizeof(unsigned long int)*2);
+
+			/* Le aplico el MTF, salteo el tamaño del bloque para que no se pierda. */
+			mtf = jacu_mtf(salida+sizeof(unsigned long int), i+sizeof(unsigned long int));
 			for(j=0; j<i; j++)
 				fputc(mtf[j], fp_out);
+			free(mtf);
 		}
+
+		/* Limpiando */
 		fclose(fp);
 		fclose(fp_out);
 		bs_destroy(bs);
+
+		/* Comprimo con huffman */
 		i = shuff_encode_file("tmp.comp",argv[optind+1], volumesize);
+
 		/* borro el temporal */
 		unlink("tmp.comp");
 		return i;
diff --git a/src/mtf/mtf.c b/src/mtf/mtf.c
index c906f47..e889817 100644
--- a/src/mtf/mtf.c
+++ b/src/mtf/mtf.c
@@ -16,13 +16,13 @@ void print_z(char *z, int len)
 	fprintf(stderr, "\n");
 }
 
-int *jacu_mtf(char *datos, int len)
+char *jacu_mtf(char *datos, int len)
 {
 	char *z;
 	int *pos;
 	int i, size;
 	
-	pos = (int*)malloc(len*sizeof(int));
+	pos = (char *)malloc(len*sizeof(char));
 	z = jacu_buscar_z(datos, len, &size);
 	for(i=0; i<len; i++){
 		pos[i] = get_pos(z, size, datos[i]);
diff --git a/src/mtf/mtf.h b/src/mtf/mtf.h
index 65820ef..7b0e058 100644
--- a/src/mtf/mtf.h
+++ b/src/mtf/mtf.h
@@ -3,7 +3,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int *jacu_mtf(char *datos, int len);
+char *jacu_mtf(char *datos, int len);
 
 char *jacu_mtf_inv(char *z, int *pos, int len);
 
-- 
2.43.0