M main.c → main.c

@@ -179,13 +179,12 @@ XEvent ev;
 
 	for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
 		switch (argv[i][1]) {
-		case 'v':
-			fprintf(stdout, "%s",
-					"dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n");
-			exit(0);
-			break;
 		default:
 			eprint("usage: dwm [-v]\n");
+			break;
+		case 'v':
+			fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
+			exit(EXIT_SUCCESS);
 			break;
 		}
 	}

M util.c → util.c

@@ -17,7 +17,7 @@ bad_malloc(unsigned int size)
 {
 	fprintf(stderr, "fatal: could not malloc() %d bytes\n",
 			(int) size);
-	exit(1);
+	exit(EXIT_FAILURE);
 }
 
 /* extern */
@@ -37,7 +37,7 @@ va_list ap;
 	va_start(ap, errstr);
 	vfprintf(stderr, errstr, ap);
 	va_end(ap);
-	exit(1);
+	exit(EXIT_FAILURE);
 }
 
 void
@@ -55,7 +55,7 @@ execvp(argv[0], argv);
 			fprintf(stderr, "dwm: execvp %s", argv[0]);
 			perror(" failed");
 		}
-		exit (0);
+		exit(EXIT_FAILURE);
 	}
 	wait(0);
 }