1 files changed, 15 insertions, 1 deletions

diff --git a/misc.c b/misc.c
index dfa0bb33a..3d6bc3563 100644
--- a/misc.c
+++ b/misc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: misc.c,v 1.119 2017/11/25 06:46:22 dtucker Exp $ */
+/* $OpenBSD: misc.c,v 1.120 2017/12/05 23:59:47 dtucker Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2005,2006 Damien Miller.  All rights reserved.
@@ -2112,3 +2112,17 @@ bad:
                 *errstr = errbuf;
         return 0;
 }
+
+const char *
+atoi_err(const char *nptr, int *val)
+{
+        const char *errstr = NULL;
+        long long num;
+
+        if (nptr == NULL || *nptr == '\0')
+                return "missing";
+        num = strtonum(nptr, 0, INT_MAX, &errstr);
+        if (errstr == NULL)
+                *val = (int)num;
+        return errstr;
+}