FileSystem.c

#include "FileSystem.h"
#include "Directory.h"
#include "Disk.h"
#include <stdio.h>
#include <string.h>

void fs_init() {
    disk_init();
    directory_init();
}

void fs_format() {
    disk_format();
    directory_init();
}

int fs_create(const char *name) {
    FileEntry* f = directory_create(name);
    if (!f) return -1;
    return 0;
}

int fs_write(const char *name, const char *data) {
    FileEntry *f = directory_lookup(name);
    if (!f) return -1;

    char buffer[BLOCK_SIZE];
    memset(buffer, 0, BLOCK_SIZE);
    strncpy(buffer, data, BLOCK_SIZE - 1);

    disk_write_block(f->block, buffer);
    directory_update_timestamp(f);
    return 0;
}

int fs_read(const char *name) {
    FileEntry *f = directory_lookup(name);
    if (!f) return -1;

    char buffer[BLOCK_SIZE];
    disk_read_block(f->block, buffer);

    printf("--- Content of '%s' ---\n%s\n", name, buffer);

    directory_update_timestamp(f);
    return 0;
}

int fs_delete(const char *name) {
    FileEntry *f = directory_lookup(name);
    if (!f) return -1;
    directory_delete(name);
    return 0;
}

void fs_ls() {
    directory_list();
}