Errcode pic_save(Popot path, Popot screen)
/*****************************************************************************
* save a picture.
****************************************************************************/
{
Errcode err;
if (pdr == NULL) {
if (Success > (err = pdr_find_load(path)))
return err;
}
if (path.pt == NULL)
return builtin_err = Err_null_ref;
if (screen.pt == NULL)
screen.pt = GetPicScreen();
if (Success > (err = create_ifile(path.pt, screen.pt)))
return err;
err = save_frame(screen.pt);
close_ifile();
return err;
}
int add_entry(int inumber, const char* name, enum file_type_e type) {
file_desc_t fd;
if(strcmp(name, "") == 0) {
return -1;
}
if(open_ifile(&fd, inumber) != RETURN_FAILURE) {
struct entry_s entry;
if(find_entry(&fd, name) != -1) {
return -1;
}
unsigned int index = new_entry(&fd);
seek2_ifile(&fd, index*sizeof(struct entry_s));
entry.inumber = create_ifile(type);
strncpy(entry.name, name, MAX_FILE_LENGTH);
write_ifile(&fd, &entry, sizeof(struct entry_s));
close_ifile(&fd);
//add .. & .
if(type == FILE_DIRECTORY) {
file_desc_t fd_child;
struct entry_s entry_child;
if(open_ifile(&fd_child, entry.inumber) != RETURN_FAILURE) {
entry_child.inumber = entry.inumber;
strcpy(entry_child.name, ".");
write_ifile(&fd_child, &entry_child, sizeof(struct entry_s));
entry_child.inumber = inumber;
strcpy(entry_child.name, "..");
write_ifile(&fd_child, &entry_child, sizeof(struct entry_s));
close_ifile(&fd_child);
}
}
return entry.inumber;
}
else
return -1;
}
int main(int argc, char**argv){
unsigned int i;
unsigned int inumber;
/* gestion des arguments */
if(argc != 1){
usage();
exit(EXIT_SUCCESS);
}
/* init hardware */
if(!init_hardware(HW_CONFIG)) {
fprintf(stderr, "Initialization error\n");
exit(EXIT_FAILURE);
}
/* Interreupt handlers */
for(i=0; i<NB_EMPTY_FUNCTION; i++)
IRQVECTOR[i] = empty_it;
/* Allows all IT */
_mask(1);
/* chargement du mbr */
if(!load_mbr()){
fprintf(stderr, "Erreur lors du chargement du Master Boot Record.\n");
exit(EXIT_FAILURE);
}
/* initialise le super du premier volume */
init_super(CURRENT_VOLUME);
/* charge le super du premier volume dans la variable globale */
load_super(CURRENT_VOLUME);
/* création du fichier */
inumber = create_ifile(IT_FILE);
if(!inumber){
fprintf(stderr, "Erreur lors de la creation du fichier\n");
exit(EXIT_FAILURE);
}
printf("Création d'un fichier:\n");
printf("\tinumber: %d.\n", inumber);
exit(inumber);
}
int mmkdir(int argc, char** argv) {
unsigned status = 0;
unsigned inumber;
char* dir_path;
if(argc < 1) {
fprintf(stderr, "ERROR: il manque le nom du dossier à créer\n");
return 0;
}
/* future chaine contenant le chemin absolu du nouveau dossier */
dir_path = malloc(sizeof(char) * MAX_PATH);
/* on met la racine dans dir path */
strcpy(dir_path, current_path);
/* chemin different si on est a la racine */
if(strcmp(dir_path, "/") == 0) {
sprintf(dir_path, "/%s", argv[1]);
} else {
sprintf(dir_path, "%s/%s", dir_path, argv[1]);
}
inumber = create_ifile(IT_DIR);
if(inumber == RETURN_FAILURE){
fprintf(stderr, "ERROR: échec creation de dossier avec mkdir\n");
return RETURN_FAILURE;
}
status = add_entry(get_iroot(), inumber, argv[1]);
if(status == RETURN_FAILURE){
fprintf(stderr, "ERROR: échec ajout du dossier dans la racine\n");
return RETURN_FAILURE;
}
save_current_super();
return RETURN_SUCCESS;
}
static void
cfile(unsigned int sinumber)
{
file_desc_t sfd, dfd;
unsigned int dinumber;
int status;
int c;
dinumber = create_ifile(FT_STD);
ffatal(dinumber, "erreur creation fichier");
printf("%d\n", dinumber);
status = open_ifile(&dfd, dinumber);
ffatal(!status, "erreur ouverture fichier %d", dinumber);
status = open_ifile(&sfd, sinumber);
ffatal(!status, "erreur ouverture fichier %d", sinumber);
while((c=readc_ifile(&sfd)) != READ_EOF)
writec_ifile(&dfd, c);
close_ifile(&dfd);
close_ifile(&sfd);
}
