Cambio flag "p" por "q" para cambiar el nivel de compresion con valores predefinidos...

diff --git a/src/jacu.c b/src/jacu.c
index aad39e267f1a4a145a9995b6624a4bed4d52e0f0..ba8daf1cdf4f47c23b2a2f71bcd507234821d2f6 100644 (file)
--- a/src/jacu.c
+++ b/src/jacu.c
@@ -17,13 +17,13 @@ int main(int argc, char* argv[])
        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; 
@@ -36,12 +36,35 @@ int main(int argc, char* argv[])
                                          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);
@@ -56,8 +79,8 @@ int main(int argc, char* argv[])
                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);
        }
                
@@ -128,10 +151,10 @@ int main(int argc, char* argv[])
                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]));

diff --git a/src/mtf/Makefile b/src/mtf/Makefile
index ac6a010eaa4024c872e5f2032bab9a075fb6d9b2..4045b2c334b5fc96178def191889cd7290501451 100644 (file)
--- a/src/mtf/Makefile
+++ b/src/mtf/Makefile
@@ -1,74 +1,79 @@
-# Makefile de ejemplo para C++
-# 
-# Creado: jue abr 15 15:34:19 ART 2004
+#----------------------------------------------------------------------------
+#                                  jacu
+#----------------------------------------------------------------------------
+# This file is part of jacu.
 #
-# Copyleft 2004 - Leandro Lucarella, Bajo licencia GPL [http://www.gnu.org/]
+# jacu is free software; you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# jacu is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along
+# with jacu; if not, write to the Free Software Foundation, Inc., 59 Temple
+# Place, Suite 330, Boston, MA  02111-1307  USA
+#----------------------------------------------------------------------------
+# Creado:  jue jun 17 00:41:52 ART 2004
+# Autores: Leandro Lucarella <llucare@fi.uba.ar>
+#----------------------------------------------------------------------------
+#
+# $Id: bufford.c 624 2004-05-30 20:18:04Z llucare $
 #
 
-# CONFIGURACION
-################
-
-# Nombre del ejecutable.
-target = mtf
-
-# Extensión de los archivos a compilar (c para C, cpp o cc o cxx para C++).
-extension = c
-
-# Archivos con el código fuente que componen el ejecutable. Si no se especifica,
-# toma todos los archivos con la extensión mencionada. Para especificar hay que
-# descomentar la línea (quitarle el '#' del principio).
-# NOTA: No poner cabeceras (.h). 
-#fuentes = entrada.cpp
-
-# Si es un programa GTK+, descomentá (quitale el '#' a) la siguiente línea.
-#gtk = si 
-
-
-# CONFIGURACION "AVANZADA"
-###########################
-
-# Opciones para el compilador C.
-#CFLAGS = -Wall -ggdb -ansi -pedantic -DDEBUG
-CFLAGS = -Wall -O3 -ansi -pedantic -DNDEBUG -g
-
-# Opciones para el compilador C++.
-#CXXFLAGS = $(CFLAGS) -fno-inline
-CXXFLAGS = $(CFLAGS)
-
-
-# VARIABLES CALCULADAS A PARTIR DE LA CONFIGURACION
-####################################################
-
-# Agrego flags y libs de GTK+ de ser necesario.
-ifdef gtk
-CFLAGS += $(shell pkg-config --cflags gtk+-2.0)
-CXXFLAGS += $(shell pkg-config --cflags gtk+-2.0)
-LDFLAGS += $(shell pkg-config --libs gtk+-2.0)
-endif
-
-# Uso enlazador de c++ si es código no C.
-ifeq ($(extension), c)
-enlazador = $(CC)
-else
-enlazador = $(CXX)
-endif
-
-# Si no especifica archivos, tomo todos.
-fuentes ?= $(wildcard *.$(extension))
-
+TARGETS=main mtof
+COMMON=mtf.o
+SRCS=mtf.c main.c mtof.c
 
-# REGLAS
-#########
+#CFLAGS=-O3 -Wall -DNDEBUG
+CFLAGS=-ggdb -Wall -DDEBUG
 
-.PHONY: all clean
+all: $(TARGETS)
 
-all: $(target)
+main: $(COMMON) main.o 
 
-o_files = $(patsubst %.$(extension),%.o,$(fuentes))
+mtof: $(COMMON) mtof.o 
 
-$(target): $(o_files)
-       $(enlazador) $(LDFLAGS) $(o_files) $(LOADLIBES) $(LDLIBS) -o $(target)
+depend:
+       makedepend -- $(CFLAGS) -- $(SRCS)
 
 clean:
-       @$(RM) -fv *.o $(target)
-
+       @$(RM) -f *.o $(TARGETS)
+
+.PHONY: all clean depend
+
+# DO NOT DELETE
+
+mtf.o: mtf.h /usr/include/stdio.h /usr/include/features.h
+mtf.o: /usr/include/sys/cdefs.h /usr/include/gnu/stubs.h
+mtf.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stddef.h
+mtf.o: /usr/include/bits/types.h /usr/include/bits/wordsize.h
+mtf.o: /usr/include/bits/typesizes.h /usr/include/libio.h
+mtf.o: /usr/include/_G_config.h /usr/include/wchar.h
+mtf.o: /usr/include/bits/wchar.h /usr/include/gconv.h
+mtf.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stdarg.h
+mtf.o: /usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h
+mtf.o: /usr/include/stdlib.h
+main.o: /usr/include/stdio.h /usr/include/features.h /usr/include/sys/cdefs.h
+main.o: /usr/include/gnu/stubs.h
+main.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stddef.h
+main.o: /usr/include/bits/types.h /usr/include/bits/wordsize.h
+main.o: /usr/include/bits/typesizes.h /usr/include/libio.h
+main.o: /usr/include/_G_config.h /usr/include/wchar.h
+main.o: /usr/include/bits/wchar.h /usr/include/gconv.h
+main.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stdarg.h
+main.o: /usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h mtf.h
+main.o: /usr/include/stdlib.h /usr/include/string.h
+mtof.o: /usr/include/stdio.h /usr/include/features.h /usr/include/sys/cdefs.h
+mtof.o: /usr/include/gnu/stubs.h
+mtof.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stddef.h
+mtof.o: /usr/include/bits/types.h /usr/include/bits/wordsize.h
+mtof.o: /usr/include/bits/typesizes.h /usr/include/libio.h
+mtof.o: /usr/include/_G_config.h /usr/include/wchar.h
+mtof.o: /usr/include/bits/wchar.h /usr/include/gconv.h
+mtof.o: /usr/lib/gcc-lib/i486-linux/3.3.4/include/stdarg.h
+mtof.o: /usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h mtf.h
+mtof.o: /usr/include/stdlib.h /usr/include/string.h

diff --git a/src/mtf/mtof.c b/src/mtf/mtof.c
new file mode 100644 (file)
index 0000000..b99b67a
--- /dev/null
+++ b/src/mtf/mtof.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include "mtf.h"
+#include <string.h>
+#include <stdlib.h>
+
+#define BUFFER_SIZE 2000000
+
+int main(int argc, char *argv[] )
+{
+       char buff[BUFFER_SIZE];
+       char *pos;
+       int len;
+       int i;
+       
+       len = fread(buff, 1, BUFFER_SIZE, stdin);
+       buff[len] = '\0';
+       pos = jacu_mtf(buff, len);
+       for(i=0; i<len; i++)
+               putchar(pos[i]);
+
+       free(pos);
+       return 0;
+}
+