woody-woodpacker/srcs/main.c

#include "../includes/woody.h"

int get_elf_file(t_efl_content *file_content)
{
	int fd;
	off_t off;

	fd = open(file_content->file_path, O_RDONLY);
	if (fd < 0)
	{
		ft_printf("Error: Failed to open \'%s\'\n", file_content->file_path);
		return EXIT_FAILURE;
	}
	off = lseek(fd, 0, SEEK_END);
    if (off == -1)
    {
		close(fd);
		ft_printf("Error: Failed to read file offset \'%s\'\n", file_content->file_path);
        return EXIT_FAILURE;
    }
	file_content->file_size = off;
	file_content->file = mmap(NULL, file_content->file_size, PROT_READ, MAP_PRIVATE, fd, 0);
    if (file_content->file  == MAP_FAILED)
	{
		close(fd);
		ft_printf("Error: Failed to map file \'%s\'\n", file_content->file_path);
		return EXIT_FAILURE;
    }
    close(fd);
	return EXIT_SUCCESS;
}

int main(int ac, char **av)
{
	t_efl_content file_content;
	if (ac != 2)
	{
		return ft_put_error("Woody_woodpacker take 1 argument\n");
	}
	file_content.file_path = av[1];
	int ret = get_elf_file(&file_content);
	if (ret == EXIT_FAILURE)
		return ret;
	
	return woody(&file_content);
}