From beed971728f8789d8e2daac0567d109bff21cb2d Mon Sep 17 00:00:00 2001
From: kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 6 Mar 2011 14:28:02 +0000
Subject: * process.c (proc_setmaxgroups): added negative value check.   This
 was suggested by Daniel Berger. Thanks Daniel!   [ruby-core:35426][Bug#4467]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31035 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 process.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'process.c')

diff --git a/process.c b/process.c
index e55c3fda83..a216291595 100644
--- a/process.c
+++ b/process.c
@@ -4713,7 +4713,10 @@ proc_getmaxgroups(VALUE obj)
 static VALUE
 proc_setmaxgroups(VALUE obj, VALUE val)
 {
-    int ngroups = FIX2UINT(val);
+    int ngroups = FIX2INT(val);
+
+    if (ngroups <= 0)
+	rb_raise(rb_eArgError, "maxgroups %d shold be positive", ngroups);
 
     if (ngroups > RB_MAX_GROUPS)
 	ngroups = RB_MAX_GROUPS;
-- 
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