From c512d180f84e6d8484188bb281964c177c1ec91a Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Mon, 14 Nov 2016 22:15:52 +0100
Subject: [PATCH] prevent atoip setting errno on mac. only call atoi when
 string starts with a digit

---
 src/util/parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/parser.c b/src/util/parser.c
index 741fd573f..b13e266a6 100644
--- a/src/util/parser.c
+++ b/src/util/parser.c
@@ -250,7 +250,7 @@ unsigned int atoip(const char *s)
     int n;
 
     assert(s);
-    n = atoi(s);
+    n = isdigit(s[0]) ? atoi(s) : 0;
 
     if (n < 0)
         n = 0;