blob: d67561ed2b82d88009a8d154474301fa915c3958 [file] [log] [blame]
/* SAP2
* Version 2.1
* Copyright (C) 2000-2003 Eric Botcazou
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* version 1.0: programme fonctionnel sous MSDOS et Linux
* 1.1: retour au format PC à la sortie du programme
* 1.2: ajout d'un mode de fonctionnement batch
* 2.0: support des disquettes 5"25 et de deux lecteurs PC
* 2.1: support de la simple densité
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libsap.h"
#include "floppy.h"
#define SAP2_VERSION_STR "2.0.93"
#ifdef linux
#define SAP2_PLATFORM_STR "Linux"
#else
#define SAP2_PLATFORM_STR "MSDOS"
#endif
#define FILENAME_LENGTH 128
/* horrible hack pour supporter les accents... */
#ifdef linux
static char eacute[] = "é";
static char egrave[] = "è";
static char agrave[] = "à";
static char ugrave[] = "ù";
#else
static char eacute[] = "‚";
static char egrave[] = "Š";
static char agrave[] = "…";
static char ugrave[] = "—";
#endif
/* pour l'affichage du répertoire */
#define PAGE_HEIGHT 22
static struct floppy_info fi;
static char *drive_type_name[7] = { "non disponible",
"5\"25 - 360 ko",
"5\"25 - 1.2 Mo",
"3\"5 - 720 ko",
"3\"5 - 1.44 Mo",
"3\"5 - 2.88 Mo",
"3\"5 - 2.88 Mo" };
#define IS_5_INCHES(drive) ((fi.drive_type[drive]>0) && (fi.drive_type[drive]<3))
/* term_puts:
* Affiche une chaîne de caractères en respectant la taille du terminal.
*/
static void term_puts(const char buffer[], int lines, int page_height)
{
const char *start_cur, *end_cur;
char trash[8];
int i;
char* ret;
start_cur = end_cur = buffer;
while (lines>page_height) {
for (i=0; i<page_height; i++) {
while (*end_cur++ != '\n')
;
}
fwrite(start_cur, sizeof(char), end_cur-start_cur, stdout);
ret=fgets(trash, 7, stdin);
printf("Appuyer sur <Return>");
getchar();
printf("\n");
ungetc('\n', stdin);
start_cur = end_cur;
lines -= page_height;
}
puts(end_cur);
}
/* ViewDiskDir:
* Affiche le répertoire d'une disquette TO.
*/
static int ViewDiskDir(int drive, int density, int page_height)
{
unsigned char data[512*SAP_NSECTS];
char buffer[4096];
int lines;
if (FloppyReadSector(drive, density, 20, 1, SAP_NSECTS, data) != 0)
return 1;
/* on réduit la FAT à 80 blocks pour les disquettes 5"25 DD */
if (IS_5_INCHES(drive) && density == 2)
memset(data + SAP_SECTSIZE1 + 1 + SAP_NTRACKS1, 0xFE, SAP_NTRACKS1);
/* fonction bas-niveau de libSAP */
lines = _ExtractDir(buffer, sizeof(buffer), drive, density, data);
if ((page_height<0) || (lines<=page_height))
puts(buffer);
else
term_puts(buffer, lines, page_height);
return 0;
}
/* ViewArchiveDir:
* Affiche le répertoire d'une archive SAP.
*/
static int ViewArchiveDir(const char sap_name[], int page_height)
{
char buffer[4096];
sapID sap_file;
int format, lines;
if ((sap_file=sap_OpenArchive(sap_name, &format)) == SAP_ERROR)
return 1;
lines = sap_ListArchive(sap_file, buffer, sizeof(buffer));
if (lines == 0)
return 2;
if ((page_height<0) || (lines<=page_height))
puts(buffer);
else
term_puts(buffer, lines, page_height);
sap_CloseArchive(sap_file);
return 0;
}
/* CreateEmptyArchive:
* Crée une archive SAP vide (mais formatée).
*/
static int CreateEmptyArchive(const char sap_name[], int format, int capacity)
{
sapID sap_file;
if ((sap_file=sap_CreateArchive(sap_name, format)) == SAP_ERROR)
return 1;
sap_FormatArchive(sap_file, capacity);
sap_CloseArchive(sap_file);
return 0;
}
/* BuildSectorMap:
* Construit la carte des secteurs d'une piste
* en fonction du facteur d'entrelacement.
*/
static void BuildSectorMap(int *sector_map, int factor)
{
int sect, loc=0;
/* mise à zéro de la table */
memset(sector_map, 0, sizeof(int)*SAP_NSECTS);
for (sect=1; sect<=SAP_NSECTS; sect++) {
while (sector_map[loc] != 0)
loc=(loc+1)%SAP_NSECTS;
sector_map[loc]=sect;
loc=(loc+factor)%SAP_NSECTS;
}
}
/* FormatDisk:
* Formate une disquette 3"5 - 720 ko au format Thomson.
*/
static int FormatDisk(int drive, int density, int factor, int verbose)
{
int num_tracks, sect_size;
int track, sect, pos, i;
int sector_map[SAP_NSECTS];
unsigned char header_table[512];
unsigned char buffer[512*SAP_NSECTS];
/* détermination du nombre de pistes */
if (IS_5_INCHES(drive))
num_tracks = SAP_NTRACKS2;
else
num_tracks = SAP_NTRACKS1;
/* et de la taille du secteur */
if (density == 1)
sect_size = SAP_SECTSIZE2;
else
sect_size = SAP_SECTSIZE1;
/* construction de la carte des secteurs pour chaque piste,
à partir du facteur d'entrelacement */
BuildSectorMap(sector_map, factor);
/* formatage des pistes */
for (track=0; track<num_tracks; track++) {
if (verbose) {
printf("\r formatage piste %d", track);
fflush(stdout);
}
/* construction de la table des headers */
for (sect=1, pos=0; sect<=SAP_NSECTS; sect++, pos+=4) {
header_table[pos] = track;
header_table[pos+1] = 0;
header_table[pos+2] = sector_map[sect-1];
header_table[pos+3] = density - 1;
}
if (FloppyFormatTrack(drive, density, track, header_table) != 0)
return 1;
}
if (verbose) {
printf("\n construction de la FAT (piste 20)");
fflush(stdout);
}
for (i=0; i<sect_size*SAP_NSECTS; i++)
buffer[i] = 0xFF;
/* pour MS-DOS (voir teo/src/dos/ddisk.c) */
buffer[i]=0;
if (FloppyWriteSector(drive, density, 20, 1, SAP_NSECTS, buffer) != 0)
return 2;
buffer[0] = 0;
buffer[41] = 0xFE;
buffer[42] = 0xFE;
/* pour MS-DOS (voir teo/src/dos/ddisk.c) */
buffer[sect_size] = 0;
if (FloppyWriteSector(drive, density, 20, 2, 1, buffer) != 0)
return 2;
if (verbose)
printf("\n");
return 0;
}
/* shrink_fat_160_to_80:
* Réduit la taille de la FAT de 160 à 80 blocks.
*/
static void shrink_fat_160_to_80(unsigned char fat_data[])
{
int i;
for (i=0; i<SAP_NTRACKS1; i++) {
if (fat_data[1 + SAP_NTRACKS1 + i] != 0xFF)
return;
}
memset(fat_data + 1 + SAP_NTRACKS1, 0xFE, SAP_NTRACKS1);
}
/* PackArchive:
* Transfère le contenu d'une disquette TO dans une archive SAP.
*/
static int PackArchive(const char sap_name[], int drive, int density, int verbose)
{
int num_tracks, sect_size;
int track, sect;
sapID sap_file;
sapsector_t sapsector;
unsigned char buffer[512*SAP_NSECTS];
if ((sap_file=sap_CreateArchive(sap_name, density == 1 ? SAP_FORMAT2 : SAP_FORMAT1)) == SAP_ERROR)
return 1;
/* détermination du nombre de pistes */
if (IS_5_INCHES(drive))
num_tracks = SAP_NTRACKS2;
else
num_tracks = SAP_NTRACKS1;
/* et de la taille du secteur */
if (density == 1)
sect_size = SAP_SECTSIZE2;
else
sect_size = SAP_SECTSIZE1;
for (track=0; track<num_tracks; track++) {
if (verbose) {
printf("\r lecture piste %d", track);
fflush(stdout);
}
if (FloppyReadSector(drive, density, track, 1, SAP_NSECTS, buffer) != 0) {
/* erreur dans la piste, on essaie secteur par secteur */
for (sect=1; sect<=SAP_NSECTS; sect++) {
sapsector.format = 0;
sapsector.protection = 0;
sapsector.track = track;
sapsector.sector = sect;
if (FloppyReadSector(drive, density, track, sect, 1, buffer) != 0) {
/* erreur de lecture du secteur */
if (verbose)
printf("\n secteur %d illisible", sect);
sapsector.format = 4;
memset(sapsector.data, 0xF7, sect_size);
}
else {
memcpy(sapsector.data, buffer, sect_size);
}
/* traitement spécial de la FAT pour les disquettes 5"25 DD */
if ((track == 20) && (sect == 2) && IS_5_INCHES(drive) && (density == 2))
shrink_fat_160_to_80(sapsector.data);
sap_FillArchive(sap_file, &sapsector);
}
if ((track < num_tracks-1) && verbose)
printf("\n");
}
else {
for (sect=1; sect<=SAP_NSECTS; sect++) {
sapsector.format = 0;
sapsector.protection = 0;
sapsector.track = track;
sapsector.sector = sect;
memcpy(sapsector.data, buffer+(sect-1)*sect_size, sect_size);
/* traitement spécial de la FAT pour les disquettes 5"25 DD */
if ((track == 20) && (sect == 2) && IS_5_INCHES(drive) && (density == 2))
shrink_fat_160_to_80(sapsector.data);
sap_FillArchive(sap_file, &sapsector);
}
}
}
if (verbose)
printf("\n");
sap_CloseArchive(sap_file);
return 0;
}
/* UnpackArchive:
* Transfère le contenu d'une archive SAP vers une disquette TO.
*/
static int UnpackArchive(const char sap_name[], int drive, int density, int verbose)
{
int format, num_tracks, sect_size;
int track, sect;
sapID sap_file;
sapsector_t sapsector;
unsigned char buffer[512*SAP_NSECTS];
if ((sap_file=sap_OpenArchive(sap_name, &format)) == SAP_ERROR)
return 1;
/* vérification du format */
if (((format == SAP_FORMAT1) && (density != 2)) || ((format == SAP_FORMAT2) && (density != 1)))
return 1;
/* détermination du nombre de pistes */
if (IS_5_INCHES(drive))
num_tracks = SAP_NTRACKS2;
else
num_tracks = SAP_NTRACKS1;
/* et de la taille du secteur */
if (density == 1)
sect_size = SAP_SECTSIZE2;
else
sect_size = SAP_SECTSIZE1;
for (track=0; track<num_tracks; track++) {
if (verbose) {
printf("\r %scriture piste %d", eacute, track);
fflush(stdout);
}
for (sect=1; sect<=SAP_NSECTS; sect++) {
sapsector.format = 0;
sapsector.protection = 0;
sapsector.track = track;
sapsector.sector = sect;
if (sap_ReadSector(sap_file, track, sect, &sapsector) == SAP_ERROR) {
sap_CloseArchive(sap_file);
return 2;
}
else {
memcpy(buffer+(sect-1)*sect_size, sapsector.data, sect_size);
}
}
/* pour MS-DOS (voir teo/src/dos/ddisk.c) */
buffer[SAP_NSECTS*sect_size] = 0;
if (FloppyWriteSector(drive, density, track, 1, SAP_NSECTS, buffer) != 0) {
sap_CloseArchive(sap_file);
return 3;
}
}
if (verbose)
printf("\n");
sap_CloseArchive(sap_file);
return 0;
}
/* get_drive:
* Helper pour obtenir le numéro de lecteur.
*/
static void get_drive(int *drive, int *density)
{
char trash[8];
char* ret;
if (fi.num_drives > 1) {
do {
printf(" num%sro du lecteur: ", eacute);
if (!scanf("%d", drive))
ret=fgets(trash, 7, stdin);
}
while ((*drive<0) || (*drive>3) || (fi.drive_type[*drive]==0));
}
else {
for (*drive=0; *drive<4; (*drive)++) {
if (fi.drive_type[*drive] > 0)
break;
}
}
if (fi.fm_support && IS_5_INCHES(*drive)) {
do {
printf(" densit%s (1:simple, 2:double): ", eacute);
if (!scanf("%d", density))
ret=fgets(trash, 7, stdin);
}
while ((*density<1) || (*density>2));
}
else
*density = 2;
}
/* interactive_main:
* Point d'entrée du programme interactif.
*/
static void interactive_main(void)
{
int c, ret;
char trash[8];
int drive, density, format, factor;
char sap_name[FILENAME_LENGTH];
char* ret2;
while (1) {
printf("SAP2, syst%sme d'archivage pour disquettes 3\"5 et 5\"25 Thomson\n", egrave);
printf("version "SAP2_VERSION_STR" ("SAP2_PLATFORM_STR") copyright (C) 2000-2003 Eric Botcazou\n");
printf(" bas%s sur SAP copyright (C) Alexandre Pukall Avril 1998\n\n", eacute);
if (fi.drive_type[0] > 0) {
printf("Lecteur A: (%s) --> lecteur 0", drive_type_name[fi.drive_type[0]]);
if (fi.drive_type[1] > 0)
printf(" + lecteur 1\n");
else
printf("\n");
}
else {
printf("Lecteur A: (%s)\n", drive_type_name[0]);
}
if (fi.drive_type[2] > 0) {
printf("Lecteur B: (%s) --> lecteur 2", drive_type_name[fi.drive_type[2]]);
if (fi.drive_type[3] > 0)
printf(" + lecteur 3\n\n");
else
printf("\n\n");
}
else {
printf("Lecteur B: (%s)\n\n", drive_type_name[0]);
}
printf("Transfert TO-->PC:\n");
printf(" 1. Visualiser le contenu d'une disquette Thomson\n");
printf(" 2. Cr%ser une archive SAP vide\n", eacute);
printf(" 3. Archiver une disquette Thomson vers une archive SAP\n");
printf("Transfert PC-->TO:\n");
printf(" 4. Visualiser le contenu d'une archive SAP\n");
printf(" 5. Formater une disquette 3\"5 (720 ko) ou 5\"25 au format Thomson\n");
printf(" 6. D%ssarchiver une archive SAP vers une disquette Thomson\n", eacute);
printf("Autres commandes:\n");
printf(" 7. Quitter\n\n");
do {
printf("Votre choix: ");
if (!scanf("%d", &c))
ret2=fgets(trash, 7, stdin);
}
while ((c<1) || (c>7));
switch (c) {
case 1:
printf("Visualisation du contenu d'une disquette:\n");
get_drive(&drive, &density);
printf("\n");
ret = ViewDiskDir(drive, density, PAGE_HEIGHT);
if (ret == 1)
printf("*** Erreur: r%spertoire illisible ***\n", eacute);
break;
case 2:
printf("Cr%sation d'une archive vide:\n", eacute);
printf(" nom de l'archive %s cr%ser (sans extension): ", agrave, eacute);
ret=scanf("%s", sap_name);
strcat(sap_name, ".sap");
do {
printf(" format (1:5\"25 SD, 2:5\"25 DD, 3:3\"5 DD): ");
if (!scanf("%d", &format))
ret2=fgets(trash, 7, stdin);
}
while ((format<1) || (format>3));
ret = CreateEmptyArchive(sap_name, (format == 1 ? SAP_FORMAT2 : SAP_FORMAT1), (format == 3 ? SAP_TRK80 : SAP_TRK40));
if (ret == 1)
printf("*** Erreur: impossible de cr%ser le fichier %s ***\n", eacute, sap_name);
break;
case 3:
printf("Archivage d'une disquette:\n");
printf(" nom de l'archive %s cr%ser (sans extension): ", agrave, eacute);
ret=scanf("%s", sap_name);
strcat(sap_name, ".sap");
get_drive(&drive, &density);
ret = PackArchive(sap_name, drive, density, 1);
if (ret == 1)
printf("*** Erreur: impossible de cr%ser le fichier %s ***\n", eacute, sap_name);
break;
case 4:
printf("Visualisation du contenu d'une archive:\n");
printf(" nom de l'archive (sans extension): ");
ret=scanf("%s", sap_name);
strcat(sap_name, ".sap");
printf("\n");
ret = ViewArchiveDir(sap_name, PAGE_HEIGHT);
if (ret == 1)
printf("*** Erreur: impossible d'ouvrir le fichier %s ***\n", sap_name);
else if (ret == 2)
printf("*** Erreur: archive SAP corrompue ***\n");
break;
case 5:
printf("Formatage d'une disquette au format Thomson:\n");
printf(" Si la disquette est une 3\"5 - 1.44 Mo, occulter l'encoche\n");
printf(" de droite (recto et verso) avec un morceau de scotch.\n");
get_drive(&drive, &density);
do {
printf(" facteur d'entrelacement ([1..%d], %d recommand%s): ", SAP_NSECTS-1, (SAP_NSECTS-1)/2, eacute);
if (!scanf("%d", &factor))
ret2=fgets(trash, 7, stdin);
}
while ((factor<1) || (factor>(SAP_NSECTS-1)));
ret = FormatDisk(drive, density, factor, 1);
if (ret == 1)
printf("\n*** Erreur: impossible de formater la disquette ***\n");
else if (ret == 2)
printf("*** Erreur: impossible d'%scrire sur la disquette ***\n", eacute);
break;
case 6:
printf("D%ssarchivage vers une disquette:\n", eacute);
get_drive(&drive, &density);
printf(" nom de l'archive (sans extension): ");
ret=scanf("%s", sap_name);
strcat(sap_name, ".sap");
ret = UnpackArchive(sap_name, drive, density, 1);
if (ret == 1)
printf("*** Erreur: impossible d'ouvrir le fichier %s ***\n", sap_name);
else if (ret == 2)
printf("*** Erreur: archive SAP corrompue ***\n");
else if (ret == 3)
printf("\n*** Erreur: impossible d'%scrire sur la disquette ***\n", eacute);
break;
case 7:
return;
}
ret2=fgets(trash, 7, stdin);
printf("Appuyer sur <Return>");
fflush(stdout);
getchar();
printf("\n");
}
}
#define COMMAND_MAX 8
static char *short_command[] = {"-h", "-v", "-d", "-c", "-p", "-t", "-f", "-u"};
static char *long_command[] = {"--help", "--version", "--dir", "--create", "--pack", "--list", "--format", "--unpack"};
/* usage:
* Affiche les commandes d'utilisation du programme et quitte.
*/
static void usage(const char prog_name[])
{
fprintf(stderr, "Usage: %s -h --help | -v --version | -t --list | -p --pack | -u --unpack\n", prog_name);
fprintf(stderr, " -c --create | -d --dir | -f --format\n");
exit(EXIT_FAILURE);
}
/* main:
* Point d'entrée du programme.
*/
int main(int argc, char *argv[])
{
int ret = 0;
int i;
if (argc < 2) { /* no argument? */
if (FloppyInit(&fi, 1) > 0) {
interactive_main();
FloppyExit();
}
else {
ret = 1;
}
}
else {
if (argv[1][0] == '-') {
switch (argv[1][1]) {
case '-': /* long commands */
for (i=0; i<COMMAND_MAX; i++) {
if (strcmp(argv[1], long_command[i]) == 0) {
argv[1] = short_command[i];
return main(argc, argv);
}
}
usage(argv[0]);
case 'h': /* help */
printf("SAP2 est un syst%sme d'archivage pour disquettes 3\"5 et 5\"25 Thomson. Il permet\n", egrave);
printf("de cr%ser des images de disquettes sous forme d'archive SAP.\n\n", eacute);
printf("Usage:\n");
printf(" %s (mode interactif)\n", argv[0]);
printf(" %s commande1 archive.sap [lecteur] [densit%s]\n", argv[0], eacute);
printf(" %s commande2 archive.sap [nb pistes] [densit%s]\n", argv[0], eacute);
printf(" %s commande3 lecteur [densit%s] [entrelacement]\n", argv[0], eacute);
printf("o%s la commande1 est prise parmi les suivantes:\n", ugrave);
printf(" -h, --help affiche cette aide\n");
printf(" -v, --version affiche la version du programme\n");
printf(" -t, --list affiche la liste des fichiers de l'archive SAP\n");
printf(" -p, --pack archive une disquette Thomson vers une archive SAP\n");
printf(" -u, --unpack d%ssarchive une archive SAP vers une disquette Thomson\n", eacute);
printf("et o%s la commande2 est prise parmi les suivantes:\n", ugrave);
printf(" -c, --create cr%se une archive SAP vide\n", eacute);
printf("et o%s la commande3 est prise parmi les suivantes:\n", ugrave);
printf(" -d, --dir affiche le contenu d'une disquette Thomson\n");
printf(" -f, --format formate une disquette au format Thomson\n");
break;
case 'v': /* version */
printf("SAP2 version "SAP2_VERSION_STR" pour "SAP2_PLATFORM_STR", copyright (C) 2000-2003 Eric Botcazou.\n");
break;
case 'd': /* dir */
if (argc < 3)
usage(argv[0]);
if (FloppyInit(&fi, 0) > 0) {
ret = ViewDiskDir(atoi(argv[2]), argc > 3 ? atoi(argv[3]) : 2, -1);
FloppyExit();
}
else {
ret = 1;
}
break;
case 'c': /* create */
if (argc < 3)
usage(argv[0]);
if (argc < 4) {
ret = CreateEmptyArchive(argv[2], SAP_FORMAT1, SAP_TRK80);
}
else if (argc == 4){
if (atoi(argv[3]) == 40)
ret = CreateEmptyArchive(argv[2], SAP_FORMAT1, SAP_TRK40);
else if (atoi(argv[3]) == 80)
ret = CreateEmptyArchive(argv[2], SAP_FORMAT1, SAP_TRK80);
else
ret = 1;
}
else {
if (atoi(argv[3]) == 40)
ret = CreateEmptyArchive(argv[2], (atoi(argv[4]) == 1 ? SAP_FORMAT2 : SAP_FORMAT1), SAP_TRK40);
else if (atoi(argv[3]) == 80)
ret = CreateEmptyArchive(argv[2], (atoi(argv[4]) == 1 ? SAP_FORMAT2 : SAP_FORMAT1), SAP_TRK80);
else
ret = 1;
}
break;
case 'p': /* pack */
if (argc < 4)
usage(argv[0]);
if (FloppyInit(&fi, 0) > 0) {
ret = PackArchive(argv[2], atoi(argv[3]), argc > 4 ? atoi(argv[4]) : 2, 0);
FloppyExit();
}
else {
ret = 1;
}
break;
case 't': /* list */
if (argc < 3)
usage(argv[0]);
ret = ViewArchiveDir(argv[2], -1);
break;
case 'f': /* format */
if (argc < 3)
usage(argv[0]);
if (FloppyInit(&fi, 1) > 0) {
if (argc == 3)
ret = FormatDisk(atoi(argv[2]), 2, (SAP_NSECTS-1)/2, 0);
else if (argc == 4)
ret = FormatDisk(atoi(argv[2]), atoi(argv[3]), (SAP_NSECTS-1)/2, 0);
else
ret = FormatDisk(atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), 0);
FloppyExit();
}
else {
ret = 1;
}
break;
case 'u': /* unpack */
if (argc < 4)
usage(argv[0]);
if (FloppyInit(&fi, 1) > 0) {
ret = UnpackArchive(argv[2], atoi(argv[3]), argc > 4 ? atoi(argv[4]) : 2, 0);
FloppyExit();
}
else {
ret = 1;
}
break;
default:
usage(argv[0]);
} /* end of switch */
}
else {
usage(argv[0]);
}
}
return ret;
}