From d7daf7444e175ba8ceb752b6ee09a35ff72e8920 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 23 Dec 1993 00:08:23 +0000
Subject: .

---
 src/expr.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/expr.c')

diff --git a/src/expr.c b/src/expr.c
index e5549140f..a3d42ff4c 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -316,6 +316,9 @@ toarith (v)
     case string:
       i = 0;
       cp = v->u.s;
+      /* Don't interpret the empty string as an integer.  */
+      if (*cp == 0)
+	return 0;
       neg = (*cp == '-');
       if (neg)
 	cp++;
-- 
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