update unlink.c

c/unlink.c

@@ -1,21 +1,27 @@
 #include <errno.h>
+#include <error.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
-int main(int argc, char** argv) {
+int main(int argc, char **argv) {
 	if (argc < 2) {
-		fprintf(stderr, "Not enough arguments.");
+		error(1, 0, "Not enough arguments.");
+	}
+
+	short has_errored = 0;
+
+	for (int i = 1; i < argc; i++) {
+		if (unlink(argv[i]) == -1) {
+			has_errored = 1;
+			error(0, errno, "%s", argv[i]);
+		}
+	}
+
+	if (has_errored) {
 		exit(1);
 	}
 
-	for (int i = 1; i < argc; i++) {
-		int code = unlink(argv[i]);
-		if (code == -1) {
-			perror(argv[0]);
-			exit(1);
-		}
-	}
 	return 0;
 }