From 53642b066c7340a73602d7fcfe6d2ebd80b3aa54 Mon Sep 17 00:00:00 2001
From: John Beppu <beppu@lbox.org>
Date: Sun, 16 Apr 2000 10:55:27 +0000
Subject: [PATCH] + fixed segfault when no parameters are given to math

---
 math.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/math.c b/math.c
index 3b459f62e..96afafdef 100644
--- a/math.c
+++ b/math.c
@@ -130,7 +130,7 @@ static void stack_machine(const char *argument)
 
 int math_main(int argc, char **argv)
 {
-	if (argc < 1 || *argv[1]=='-')
+	if (argc <= 1 || *argv[1]=='-')
 		usage(math_usage);
 	while (argc >= 2) {
 		stack_machine(argv[1]);