1 files changed, 11 insertions, 5 deletions

diff --git a/src/lib/libc/stdlib/strtoumax.c b/src/lib/libc/stdlib/strtoumax.c
index ce6e2c00f1..c73f7e507c 100644
--- a/src/lib/libc/stdlib/strtoumax.c
+++ b/src/lib/libc/stdlib/strtoumax.c
@@ -1,6 +1,5 @@
-/*      $OpenBSD: strtoumax.c,v 1.1 2006/01/13 17:58:09 millert Exp $   */
-
-/*-
+/*      $OpenBSD: strtoumax.c,v 1.2 2014/09/13 20:10:12 schwarze Exp $  */
+/*
  * Copyright (c) 1992 The Regents of the University of California.
  * All rights reserved.
  *
@@ -48,8 +47,15 @@ strtoumax(const char *nptr, char **endptr, int base)
         int neg, any, cutlim;
 
         /*
-         * See strtoq for comments as to the logic used.
+         * See strtoimax for comments as to the logic used.
          */
+        if (base < 0 || base == 1 || base > 36) {
+                if (endptr != 0)
+                        *endptr = (char *)nptr;
+                errno = EINVAL;
+                return 0;
+        }
+
         s = nptr;
         do {
                 c = (unsigned char) *s++;
@@ -57,7 +63,7 @@ strtoumax(const char *nptr, char **endptr, int base)
         if (c == '-') {
                 neg = 1;
                 c = *s++;
-        } else { 
+        } else {
                 neg = 0;
                 if (c == '+')
                         c = *s++;