Add init function and better prompt

src/main.c

@@ -3,9 +3,15 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/wait.h>
+#include <pwd.h>
+#include <libgen.h>
 
 int position = 0;
 char pwd[128]; // FIXME: change to PATH_MAX
+char hostname[1024]; // Hostname of machine
+struct passwd *pw; // Struct of passwd for uid
+char *username; // Current username
+char *homedir; // HOME directory of current user
 
 char **split_line(char *line, char *delim) { 
 	int bufsize = 64;
@@ -106,16 +112,29 @@ int parse_command(char **command) {
 	return status;
 }
 
+void init() { // Some initial tasks
+	getcwd(pwd, sizeof(pwd)); // Get directory where shell was started
+	gethostname(hostname, sizeof(hostname)); // Get hostname
+	pw = getpwuid(getuid()); // Get passwd struct for current uid
+	username = pw->pw_name;
+	homedir = pw->pw_dir;
+}
+
+void print_ps() {
+	// TODO: add parsing config file
+	printf("%s@%s %s> ", username, hostname, basename(pwd));
+}
+
 int main() {//int argc, char *argv[]) {
 	char *line = NULL;
 	size_t len = 0;
+	init();
 	char** commands;
 	char** args;
 	int status = 0; // FIXME
 	int command_status = 0; // FIXME
-	getcwd(pwd, sizeof(pwd));
 	while(1) {
-		printf("orsh> "); // FIXME or TODO: add PS1 var
+		print_ps(); // Prints PS1 (TODO: also should print PS2 and so on if it is required)
 		status = getline(&line, &len, stdin);
 		if (status == EOF) {
 			printf("\nexit\n");