list.c

//list.c
// a simple implementatio of the ls command
// directories are printed in yellow
//regular files in blue
//add new colors for file types by using colors
//macros and a filetype check

#include "headers.h"

int list()
{

	DIR *d;
	struct dirent *dir;
	int file = 0;
	struct stat fileStat;
	//list the file in the current directory takes no argument

	d = opendir(".");

	if (d)
	{
		while ((dir = readdir(d)) != NULL)
		{

			//open file in read only permisiion so command
			// works across various acess rights

			if ((file = open(dir->d_name, O_RDONLY)) < -1)
				return 1;

			if (fstat(file, &fileStat) < 0)
				return 1;

			printf(" | ");
			//check if it is directory
			if (S_ISDIR(fileStat.st_mode))
			{
				PRINT_YELLOW(dir->d_name);
			}
			else
			{
				PRINT_BLUE(dir->d_name);
			}
			printf("\n");
			printf("Size: %d bytes   ", fileStat.st_size);
			printf("Inode: %d ", fileStat.st_ino);
			printf("Permissions:");
			printf((fileStat.st_mode & S_IWUSR) ? "w" : "-");
			printf((fileStat.st_mode & S_IXUSR) ? "x" : "-");
			printf((fileStat.st_mode & S_IRGRP) ? "r" : "-");
			//only print user FIle stats uncomment for other permissions
			/*
				printf( (fileStat.st_mode & S_IWGRP) ? "w" : "-" );
				printf( (fileStat.st_mode & S_IXGRP) ? "x" : "-" );
				printf( (fileStat.st_mode & S_IROTH) ? "r" : "-" );
				printf( (fileStat.st_mode & S_IWOTH) ? "w" : "-" );
				printf( (fileStat.st_mode & S_IXOTH) ? "x" : "-" );
				*/

			printf("\n");
		}

		closedir(d);
	}

	printf("\n");
	return 0;
}