Author: Armin Rigo <[email protected]>
Branch: 
Changeset: r1267:28f10889b5aa
Date: 2013-06-04 13:16 +0200
http://bitbucket.org/cffi/cffi/changeset/28f10889b5aa/

Log:    Propagate the original OSError, which contains information returned
        by dlerror().

diff --git a/cffi/api.py b/cffi/api.py
--- a/cffi/api.py
+++ b/cffi/api.py
@@ -361,13 +361,13 @@
     backend = ffi._backend
     try:
         if '.' not in name and '/' not in name:
-            raise OSError
+            raise OSError("library not found: %r" % (name,))
         backendlib = backend.load_library(name, flags)
     except OSError:
         import ctypes.util
         path = ctypes.util.find_library(name)
         if path is None:
-            raise OSError("library not found: %r" % (name,))
+            raise     # propagate the original OSError
         backendlib = backend.load_library(path, flags)
     copied_enums = []
     #
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