KWSys 2012-05-02 (719638e2)

Extract upstream KWSys using the following shell code.

$ sha1=719638e233b560afb0d9a0afdcf23469dc1827fe &&
git archive --prefix=KWSys-snapshot/ $sha1 |
tar x

1 files changed, 133 insertions, 0 deletions

diff --git a/testDynamicLoader.cxx b/testDynamicLoader.cxx
new file mode 100644
index 0000000..a7adbca
--- /dev/null
+++ b/testDynamicLoader.cxx
@@ -0,0 +1,133 @@
+/*============================================================================
+  KWSys - Kitware System Library
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#include "kwsysPrivate.h"
+
+#include KWSYS_HEADER(DynamicLoader.hxx)
+#include KWSYS_HEADER(ios/iostream)
+#include KWSYS_HEADER(stl/string)
+
+#if defined(__BEOS__) && !defined(__HAIKU__)
+#include <be/kernel/OS.h>  /* disable_debugger() API. */
+#endif
+
+#if defined(__HAIKU__)
+#include <os/kernel/OS.h>  /* disable_debugger() API. */
+#endif
+
+// Work-around CMake dependency scanning limitation.  This must
+// duplicate the above list of headers.
+#if 0
+# include "DynamicLoader.hxx.in"
+# include "kwsys_ios_iostream.h.in"
+# include "kwsys_stl_string.hxx.in"
+#endif
+
+// Include with <> instead of "" to avoid getting any in-source copy
+// left on disk.
+#include <testSystemTools.h>
+
+kwsys_stl::string GetLibName(const char* lname)
+{
+  // Construct proper name of lib
+  kwsys_stl::string slname;
+  slname = EXECUTABLE_OUTPUT_PATH;
+#ifdef CMAKE_INTDIR
+  slname += "/";
+  slname += CMAKE_INTDIR;
+#endif
+  slname += "/";
+  slname += kwsys::DynamicLoader::LibPrefix();
+  slname += lname;
+  slname += kwsys::DynamicLoader::LibExtension();
+
+  return slname;
+}
+
+/* libname = Library name (proper prefix, proper extension)
+ * System  = symbol to lookup in libname
+ * r1: should OpenLibrary succeed ?
+ * r2: should GetSymbolAddress succeed ?
+ * r3: should CloseLibrary succeed ?
+ */
+int TestDynamicLoader(const char* libname, const char* symbol, int r1, int r2, int r3)
+{
+  kwsys_ios::cerr << "Testing: " << libname << kwsys_ios::endl;
+  kwsys::DynamicLoader::LibraryHandle l
+    = kwsys::DynamicLoader::OpenLibrary(libname);
+  // If result is incompatible with expectation just fails (xor):
+  if( (r1 && !l) || (!r1 && l) )
+    {
+    kwsys_ios::cerr
+      << kwsys::DynamicLoader::LastError() << kwsys_ios::endl;
+    return 1;
+    }
+  kwsys::DynamicLoader::SymbolPointer f
+    = kwsys::DynamicLoader::GetSymbolAddress(l, symbol);
+  if( (r2 && !f) || (!r2 && f) )
+    {
+    kwsys_ios::cerr
+      << kwsys::DynamicLoader::LastError() << kwsys_ios::endl;
+    return 1;
+    }
+#ifndef __APPLE__
+  int s = kwsys::DynamicLoader::CloseLibrary(l);
+  if( (r3 && !s) || (!r3 && s) )
+    {
+    kwsys_ios::cerr
+      << kwsys::DynamicLoader::LastError() << kwsys_ios::endl;
+    return 1;
+    }
+#else
+  (void)r3;
+#endif
+  return 0;
+}
+
+int testDynamicLoader(int argc, char *argv[])
+{
+#if defined(_WIN32)
+  SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
+#elif defined(__BEOS__) || defined(__HAIKU__)
+  disable_debugger(1);
+#endif
+  int res = 0;
+  if( argc == 3 )
+    {
+    // User specify a libname and symbol to check.
+    res = TestDynamicLoader(argv[1], argv[2],1,1,1);
+    return res;
+    }
+
+// dlopen() on Syllable before 11/22/2007 doesn't return 0 on error
+#ifndef __SYLLABLE__
+  // Make sure that inexistant lib is giving correct result
+  res += TestDynamicLoader("azerty_", "foo_bar",0,0,0);
+  // Make sure that random binary file cannnot be assimilated as dylib
+  res += TestDynamicLoader(TEST_SYSTEMTOOLS_BIN_FILE, "wp",0,0,0);
+#endif
+
+#ifdef __linux__
+  // This one is actually fun to test, since dlopen is by default loaded...wonder why :)
+  res += TestDynamicLoader("foobar.lib", "dlopen",0,1,0);
+  res += TestDynamicLoader("libdl.so", "dlopen",1,1,1);
+  res += TestDynamicLoader("libdl.so", "TestDynamicLoader",1,0,1);
+#endif
+  // Now try on the generated library
+  kwsys_stl::string libname = GetLibName(KWSYS_NAMESPACE_STRING "TestDynload");
+  res += TestDynamicLoader(libname.c_str(), "dummy",1,0,1);
+  res += TestDynamicLoader(libname.c_str(), "TestDynamicLoaderSymbolPointer",1,1,1);
+  res += TestDynamicLoader(libname.c_str(), "_TestDynamicLoaderSymbolPointer",1,0,1);
+  res += TestDynamicLoader(libname.c_str(), "TestDynamicLoaderData",1,1,1);
+  res += TestDynamicLoader(libname.c_str(), "_TestDynamicLoaderData",1,0,1);
+
+  return res;
+}