bloques.h

/*
    Autores:
        - Marc Link Cladera
        - Carlos Gálvez Mena
        - Jesús Castillo Benito
*/

#include <stdio.h>    //printf(), fprintf(), stderr, stdout, stdin
#include <fcntl.h>    //O_WRONLY, O_CREAT, O_TRUNC
#include <sys/stat.h> //S_IRUSR, S_IWUSR
#include <stdlib.h>   //exit(), EXIT_SUCCESS, EXIT_FAILURE, atoi()
#include <unistd.h>   // SEEK_SET, read(), write(), open(), close(), lseek()
#include <errno.h>    //errno
#include <string.h>   // strerror()

#define BLOCKSIZE 1024 // bytes

#define EXITO 0  // para gestión errores
#define FALLO -1 // para gestión errores

#define BLACK "\x1B[30m"
#define RED "\x1b[31m"
#define GREEN "\x1b[32m"
#define YELLOW "\x1b[33m"
#define BLUE "\x1b[34m"
#define MAGENTA "\x1b[35m"
#define CYAN "\x1b[36m"
#define WHITE "\x1B[37m"
#define ORANGE "\x1B[38;2;255;128;0m"
#define ROSE "\x1B[38;2;255;151;203m"
#define LBLUE "\x1B[38;2;53;149;240m"
#define LGREEN "\x1B[38;2;17;245;120m"
#define GRAY "\x1B[38;2;176;174;174m"
#define RESET "\x1b[0m"

#define NEGRITA "\x1b[1m"

#define DEBUGN5 0
#define DEBUGN6 0
#define DEBUGN7 0
#define DEBUGN9 0
#define DEBUGN12 0
#define DEBUGN13 1
#define MMAP 0

/// Mounts the virtual disk, opening it and setting the file descriptor.
/// \param camino path to the virtual disk.
/// \return the file descriptor of the virtual disk or -1 (FALLO) if an error occurs.
int bmount(const char *camino);
/// Unmounts the virtual disk, closing it.
/// \return 0 (EXITO) if the disk is unmounted successfully, -1 (FALLO)
/// if an error occurs.
int bumount();
/// Writes a block to the virtual device, on the physical block
/// specified by nbloque.
/// \param nbloque physical block we want to write.
/// \param buf buffer with the data we want to write.
/// \return the number of bytes written (BLOCKSIZE) or -1 (FALLO) if an error occurs.
int bwrite(unsigned int nbloque, const void *buf);
/// Reads a block from the virtual device, from the physical block
/// specified by nbloque.
/// \param nbloque physical block we want to read.
/// \param buf buffer where we want to store the data we read.
/// \return the number of bytes read (BLOCKSIZE) or -1 (FALLO) if an error occurs.
int bread(unsigned int nbloque, void *buf);
/// Wrapper for waitSem
void mi_waitSem();
/// Wrapper for signalSem
void mi_signalSem();
#if MMAP
    void *do_mmap(int fd);
#endif