From 6afc161556e0e429ebc739a373fc02f33618fdb0 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Mon, 7 Dec 1992 05:28:23 +0000
Subject: [PATCH] (toarith): Change single use of isdigit to ISDIGIT.

---
 src/expr.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/expr.c b/src/expr.c
index 3dd9136322..e5f2941228 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -34,6 +34,12 @@
 #include <regex.h>
 #include "system.h"
 
+#ifndef isascii
+#define isascii(c) 1
+#endif
+
+#define ISDIGIT(c) (isascii (c) && isdigit (c))
+
 #if !__STDC__
 #define const
 #endif
@@ -236,7 +242,7 @@ toarith (v)
 	cp++;
       for (; *cp; cp++)
 	{
-	  if (isdigit (*cp))
+	  if (ISDIGIT (*cp))
 	    i = i * 10 + *cp - '0';
 	  else
 	    return 0;
-- 
2.47.3