`whoami`: revert "`whoami`: misc improvements, including...".

This reverts commit 8a2afdc33a.
so apparently `getlogin()` returns the user the process is running under, and when it is called when you are in a sudoed bash, it returns the login username instead of root.
as you may be able to guess, that is not exactly intended behaviour.

src/whoami.c

@@ -13,13 +13,16 @@ Available arguments:
 */
 
 int main(int argc, char** argv) {
-	char * username = getlogin(); //a fucking ai came up with this. a fucking ai. A FUCKING AI
+	uid_t userid = geteuid();
+	char * username = getpwuid(userid)->pw_name;
 	if (argc == 1) {
 		printf("%s\n", username);
 		return 0;
 	} else {
 		for (int i = 0; i < argc; i++) {
 			char* arg = argv[i];
+			/*printf(arg);
+			printf(" ");*/
 			if (!strcmp(arg, "--help")) {
 				char* help = 
 					"Drake's Epic Coreutils (working title) "
@@ -36,7 +39,7 @@ int main(int argc, char** argv) {
 				printf(DRAKECU_VERSION);
 				return 0;
 			} else if (!strcmp(arg, "--uid")) {
-				printf("%d\n", (int)geteuid());
+				printf("%d\n", (int)userid);
 				return 0;
 			}
 		}