From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date: Fri, 1 Oct 2004 02:55:50 +0000 (+0000)
Subject: * libltdl/ltdl.c (try_dlopen): Fix null pointer dereference in
X-Git-Tag: release-1-9d~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=228e9808f8ae110179098e4b4eab6a1a867c84e2;p=thirdparty%2Flibtool.git

* libltdl/ltdl.c (try_dlopen): Fix null pointer dereference in
case the name given to lt_dlopen contains no extension.
---

diff --git a/ChangeLog b/ChangeLog
index 47fb87ee2..e3270dc4d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2004-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
+	* libltdl/ltdl.c (try_dlopen): Fix null pointer dereference in
+	case the name given to lt_dlopen contains no extension.
+
 	* libltdl/lt_dlloader.c (lt_dlloader_remove), libltdl/ltdl.c
 	(tryall_dlopen, lt_dlhandle_next): Show usage of function pointers.
 
diff --git a/libltdl/ltdl.c b/libltdl/ltdl.c
index 8600b1006..5c2bc9b61 100644
--- a/libltdl/ltdl.c
+++ b/libltdl/ltdl.c
@@ -986,6 +986,10 @@ try_dlopen (lt_dlhandle *phandle, const char *filename)
   assert (base_name && *base_name);
 
   ext = strrchr (base_name, '.');
+  if (!ext)
+    {
+      ext = base_name + LT_STRLEN (base_name);
+    }
 
   /* extract the module name from the file name */
   name = MALLOC (char, ext - base_name + 1);