Probleme de Malloc sur un char **

read(fd, buffer, 1)

int     my_open_file(char *argv, char *buffer, int fd, int argc)
{
  int   x;
  int   y;
  int   reader;
  char  **tabl;

  x = 0;
  y = 0;
  reader = 1;
  fd = open(fichier, O_RDONLY);
  while (reader == 1)
    {
      reader = read(fd, buffer, 1);
      buffer[reader] = '\0';
      if (buffer[1] = '\n')
        {
          y = y + 1;
          x = 0;
        }
      alloc_new_tabl(tabl, buffer, x, y);
      x = x + 1;
      my_putstr("O.K \n");
      //my_putstr(buffer);                                                     
      //my_putstr(tabl[0]);                                                    
    }
  close(fd)
}

void    alloc_new_tabl(char **tabl, char *buffer, int x, int y)
{
  tabl[y][x] = malloc(1);
  tabl[y][x] = buffer[1];
}

#include <iostream>

void displayArray(char ** arr);

int main(int argc, char **argv)
{
	char **myArray = NULL;
	myArray = (char**)malloc(2);

	myArray[0] = (char*)malloc(15);
	strcpy(myArray[0], "bonjour");
	
	myArray[1] = (char*)malloc(15);
	strcpy(myArray[1], "au revoir");

	displayArray(myArray);

	system("pause");

	return EXIT_SUCCESS;
}

void displayArray(char ** arr)
{
	std::cout << "Table values :" << std::endl;

	for(int i=0;i<2;++i)
	{
		std::cout << arr[i] << std::endl;
	}
}

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h

void    my_putchar(char c)
{
  write(1, &c, 1);
}

int     check(int fd, char *argv, int argc)
{
  if (argc != 2)
    {
      my_putchar('\n');
      my_putstr("Attention: Il y a trop de parametres !\n");
      my_putchar('\n');
      return (0);
    }
  if (fd == -1)
    {
      my_putchar('\n');
      my_putstr("Erreur: Le fichier d'entree n'a pas ete trouve !\n");
      my_putchar('\n');
      return (0);
    }
  else
    return (1);
}

void    aff_string(char **tabl)
{
  int   i;
  int   j;

  i = 0;
  while (tabl[i] != '\0')
    {
      j = 0;
      while (tabl[i][j] != '\0')
        {
          my_putchar(tabl[i][j]);
          j = j + 1;
        }
      i = i + 1;
    }
}

int     my_open_file(char *argv, char **tabl, int fd, int argc)
{
  int   x;
  int   y;
  int   reader;
  char  *buffer;

  x = 0;
  y = 0;
  reader = 1;
  fd = open(argv, O_RDONLY);
  if (check(fd, argv, argc) == 0)
    return (-1);
  buffer = malloc(1 * sizeof(*buffer));
  read(fd, buffer, 2);
  tabl = (char**)malloc(buffer[0]);
  tabl[y] = (char*)malloc(64);
  while (reader == 1)
    {
      reader = read(fd, buffer, 1);
      buffer[reader] = '\0';
      if (buffer[0] == '\n')
        {
          y = y + 1;
          tabl[y] = (char*)malloc(64);
          x = 0;
        }
      tabl[y][x] = buffer[0];
      x = x + 1;
    }
  aff_string(tabl);
  free(buffer);
  close(fd);
}

int     main(int argc, char **argv)
{
  char  **tabl;
  int   fd;
  int   tmp;

  tmp = my_open_file(argv[1], tabl, fd, argc);
  if (tmp == -1)
    return (-1);
  //aff_string(tabl);                                                          
}