all (but `yes`): use printf formatting

clang no longer complains!

src/arch.c

@@ -18,7 +18,7 @@ int main(int argc, char** argv) {
 	if (argc == 1) {
 		struct utsname e;
 		uname(&e);
-		printf(e.machine);
+		printf("%s", e.machine);
 		return 0;
 	} else {
 		for (int i = 0; i < argc; i++) {

src/basename.c

@@ -48,5 +48,5 @@ int main(int argc, char** argv) {
 		}
 	}
 	wd = basename(upname);
-	printf(wd);
+	printf("%s", wd);
 }

src/ls.c

@@ -134,7 +134,7 @@ int main(int argc, char** argv) {
 	int currLen = 0;
 	for (i = 0; i < n; i++) {
 		if (colour == false) {
-			printf(words[i]);
+			printf("%s", words[i]);
 		} else {
 			strcpy(wd, oldwd);
 			strcat(wd, "/");
@@ -142,10 +142,10 @@ int main(int argc, char** argv) {
 			//printf(wd);
 			if (isRegularFile(wd) == false) {
 				printf(ANSI_BLUE);
-				printf(words[i]);
+				printf("%s", words[i]);
 				printf(ANSI_RESET);
 			} else {
-				printf(words[i]);
+				printf("%s", words[i]);
 			}
 		}
 		printf(" ");

src/pwd.c

@@ -18,7 +18,7 @@ int main(int argc, char** argv) {
 	char wd[PATH_MAX];
 	getcwd(wd, sizeof(wd));
 	if (argc == 1) {
-		printf(wd);
+		printf("%s", wd);
 	} else {
 		for (int i = 0; i < argc; i++) {
 			char* arg = argv[i];

src/uname.c

@@ -30,12 +30,12 @@ int main(int argc, char** argv) {
     struct utsname uts;
     uname(&uts);
 	if (argc == 1) {
-		printf("%s\n", uts.sysname);
+		printf("%s", uts.sysname);
 	} else {
 		for (int i = 1; i < argc; i++) {
 			char *arg = argv[i];
 			/*printf(arg);
-			printf(" ");*/
+			*/
 			if (!strcmp(arg, "--help")) {
 				char* help = 
 					"Drake's Epic Coreutils (working title) "
@@ -64,33 +64,24 @@ int main(int argc, char** argv) {
 			} else if (!strcmp(arg, "--hostname")) {
 				char hostname[HOST_NAME_MAX + 1];
 				gethostname(hostname, HOST_NAME_MAX + 1);
-				printf(hostname);
-				printf(" ");
+				printf("%s ", hostname);
 			} else if (!strcmp(arg, "--sysinfo")) {
-				printf(uts.sysname);
-				printf(" ");
+				printf("%s ", uts.sysname);
 			} else if (!strcmp(arg, "--krelease")) {
-				printf(uts.release);
-				printf(" ");
+				printf("%s ", uts.release);
 			} else if (!strcmp(arg, "--kversion")) {
-				printf(uts.version);
-				printf(" ");
+				printf("%s ", uts.version);
 			} else if (!strcmp(arg, "--arch")) {
-				printf(uts.machine);
-				printf(" ");
+				printf("%s ", uts.machine);
 			} else if (!strcmp(arg, "--all")) {
 				//equivalent to -shrvm
-				printf(uts.sysname);
-				printf(" ");
+				printf("%s ", uts.sysname);
 				char hostname[HOST_NAME_MAX + 1];
 				gethostname(hostname, HOST_NAME_MAX + 1);
-				printf(hostname);
-				printf(" ");
-				printf(uts.release);
-				printf(" ");
-				printf(uts.version);
-				printf(" ");
-				printf(uts.machine);
+				printf("%s ", hostname);
+				printf("%s ", uts.release);
+				printf("%s ", uts.version);
+				printf("%s ", uts.machine);
 			} else if (startsWithChar(arg, '-')) {
 				char info;
 				for (int n = 1; n < strlen(arg); n++) {
@@ -100,36 +91,30 @@ int main(int argc, char** argv) {
 					if (info == 'h') {
 						char hostname[HOST_NAME_MAX + 1];
 						gethostname(hostname, HOST_NAME_MAX + 1);
-						printf(hostname);
+						printf("%s ", hostname);
 					}
 					if (info == 's') {
-						printf(uts.sysname);
+						printf("%s ", uts.sysname);
 					}
 					if (info == 'r') {
-						printf(uts.release);
+						printf("%s ", uts.release);
 					}
 					if (info == 'v') {
-						printf(uts.version);
+						printf("%s ", uts.version);
 					}
 					if (info == 'm') {
-						printf(uts.machine);
+						printf("%s ", uts.machine);
 					}
 					if (info == 'a') {
 						//equivalent to -shrvm
-						printf(uts.sysname);
-						printf(" ");
+						printf("%s ", uts.sysname);
 						char hostname[HOST_NAME_MAX + 1];
 						gethostname(hostname, HOST_NAME_MAX + 1);
-						printf(hostname);
-						printf(" ");
-						printf(uts.release);
-						printf(" ");
-						printf(uts.version);
-						printf(" ");
-						printf(uts.machine);
-						
+						printf("%s ", hostname);
+						printf("%s ", uts.release);
+						printf("%s ", uts.version);
+						printf("%s ", uts.machine);
 					}
-					printf(" ");
 				}
 			}
 		}

src/whoami.c

@@ -17,7 +17,7 @@ Available arguments:
 int main(int argc, char** argv) {
 	char * username = getlogin(); //a fucking ai came up with this. a fucking ai. A FUCKING AI
 	if (argc == 1) {
-		printf(username);
+		printf("%s", username);
 		return 0;
 	} else {
 		for (int i = 0; i < argc; i++) {