From 8fa758803dc2a7f8cb36e7f080e06be50718aea2 Mon Sep 17 00:00:00 2001
From: lum <lum@openbsd.org>
Date: Tue, 23 Mar 2021 15:22:25 +0000
Subject: [PATCH] Make a parameter to an mg function not throw an error just
 because it is numerical.

---
 usr.bin/mg/interpreter.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/usr.bin/mg/interpreter.c b/usr.bin/mg/interpreter.c
index c47616ae893..d71ce4159f3 100644
--- a/usr.bin/mg/interpreter.c
+++ b/usr.bin/mg/interpreter.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: interpreter.c,v 1.12 2021/03/22 09:26:23 lum Exp $	*/
+/*      $OpenBSD: interpreter.c,v 1.13 2021/03/23 15:22:25 lum Exp $	*/
 /*
  * This file is in the public domain.
  *
@@ -43,6 +43,8 @@
  * 
  */
 #include <sys/queue.h>
+
+#include <limits.h>
 #include <regex.h>
 #include <signal.h>
 #include <stdio.h>
@@ -384,8 +386,15 @@ multiarg(char *funstr)
 				spc = 1;
 				fin = 0;
 				continue;
-			} else
-				return (dobeep_msgs("Var not found:", argp));
+			} else {
+				const char *errstr;
+				int iters;
+
+				iters = strtonum(argp, 0, INT_MAX, &errstr);
+				if (errstr != NULL)
+					return (dobeep_msgs("Var not found:",
+					    argp));
+			}
 
 			if (strlcpy(excbuf, cmdp, sizeof(excbuf))
 			    >= sizeof(excbuf))
-- 
2.20.1