diff --git a/src/intcmp.c b/src/intcmp.c
index 961b8a9..132c230 100644
--- a/src/intcmp.c
+++ b/src/intcmp.c
@@ -33,10 +33,8 @@
 static char *program_name = "intcmp";
 
 int usage(char *s) {
-	fprintf(
-		stderr, "Usage: %s [-egl] integer integer...\n",
-		s == NULL ? program_name : s
-	);
+	fprintf(stderr, "Usage: %s [-egl] integer integer...\n", s);
+
 	return EX_USAGE;
 }
 
@@ -45,25 +43,26 @@ int main(int argc, char *argv[]) {
 	size_t i;
 	unsigned char mode;
 	int r; /* reference integer */
+	char *s = (argv[0] == NULL ? program_name : argv[0]);
 
 	mode = 0;
 
-	if (argc == 0 | argc < 3) { return usage(argv[0]); }
+	if (argc == 0 | argc < 3) { return usage(s); }
 
 	while ((c = getopt(argc, argv, "egl")) != -1) {
-		switch(c){
+		switch (c){
 			case 'e': mode |= EQUAL;   break;
 			case 'g': mode |= GREATER; break;
 			case 'l': mode |= LESSER;  break;
-			default:  return usage(argv[0]);
+			default:  return usage(s);
 		}
 	}
 
-	if(optind + 2 /* ref cmp */ > argc){ return usage(argv[0]); }
+	if (optind + 2 /* ref cmp */ > argc) { return usage(s); }
 
 	i = optind;
 
-	do{
+	do {
 		r = c;
 		c = strtol(argv[i], &argv[i], 10);
 
@@ -82,7 +81,7 @@ int main(int argc, char *argv[]) {
 			|| (!(mode & GREATER) && r > c)
 			|| (!(mode & LESSER) && r < c)
 		) { return 1; }
-	} while(++i < argc);
+	} while (++i < argc);
 	
 	return EX_OK;
 }