From 0af783bef40c2a9bd652f2aa70c25a878233cc2c Mon Sep 17 00:00:00 2001
From: ttate <ttate@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 12 Jan 2003 13:11:32 +0000
Subject: Check the return value of dlopen().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3334 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/dl/handle.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'ext/dl')

diff --git a/ext/dl/handle.c b/ext/dl/handle.c
index b38cecb981..689ce4e3a5 100644
--- a/ext/dl/handle.c
+++ b/ext/dl/handle.c
@@ -65,7 +65,7 @@ rb_dlhandle_initialize(int argc, VALUE argv[], VALUE self)
 
   ptr = dlopen(clib, cflag);
 #if defined(HAVE_DLERROR)
-  if( (err = dlerror()) ){
+  if( !ptr && (err = dlerror()) ){
     rb_raise(rb_eRuntimeError, err);
   }
 #else
@@ -168,7 +168,7 @@ rb_dlhandle_sym(int argc, VALUE argv[], VALUE self)
 
   func = dlsym(handle, name);
 #if defined(HAVE_DLERROR)
-  if( (err = dlerror()) && (!func) )
+  if( !func && (err = dlerror()) )
 #else
   if( !func )
 #endif
@@ -183,7 +183,7 @@ rb_dlhandle_sym(int argc, VALUE argv[], VALUE self)
       func = dlsym(handle, name_a);
       dlfree(name_a);
 #if defined(HAVE_DLERROR)
-      if( (err = dlerror()) && (!func) )
+      if( !func && (err = dlerror()) )
 #else
       if( !func )
 #endif
-- 
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