trust: Factor out module initialization into separate file

This prevents double call to p11_library_init() in test-module.c, once
from the ELF constructor, and secondly from the test itself.

trust/Makefile.am

@@ -64,7 +64,7 @@ p11_kit_trust_la_LDFLAGS = \
 	-export-symbols-regex 'C_GetFunctionList' \
 	$(NULL)
 
-p11_kit_trust_la_SOURCES = $(TRUST_SRCS)
+p11_kit_trust_la_SOURCES = $(TRUST_SRCS) trust/module-init.c
 
 libtrust_testable_la_LDFLAGS = \
 	-no-undefined

trust/module-init.c

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2012 Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *     * Redistributions of source code must retain the above
+ *       copyright notice, this list of conditions and the
+ *       following disclaimer.
+ *     * Redistributions in binary form must reproduce the
+ *       above copyright notice, this list of conditions and
+ *       the following disclaimer in the documentation and/or
+ *       other materials provided with the distribution.
+ *     * The names of contributors to this software may not be
+ *       used to endorse or promote products derived from this
+ *       software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * Author: Stef Walter <stefw@redhat.com>
+ */
+
+#include "config.h"
+
+#include "module.h"
+#include "library.h"
+
+#define INIT p11_trust_module_init
+#define FINI p11_trust_module_fini
+#define CLEANUP
+#include "init.h"

trust/module.c

@@ -1832,57 +1832,3 @@ p11_module_next_id (void)
 	static CK_ULONG unique = 0x10;
 	return (unique)++;
 }
-
-#ifdef OS_UNIX
-
-void p11_trust_module_init (void);
-
-void p11_trust_module_fini (void);
-
-#ifdef __GNUC__
-__attribute__((constructor))
-#endif
-void
-p11_trust_module_init (void)
-{
-	p11_library_init ();
-}
-
-#ifdef __GNUC__
-__attribute__((destructor))
-#endif
-void
-p11_trust_module_fini (void)
-{
-	p11_library_uninit ();
-}
-
-#endif /* OS_UNIX */
-
-#ifdef OS_WIN32
-
-BOOL WINAPI DllMain (HINSTANCE, DWORD, LPVOID);
-
-BOOL WINAPI
-DllMain (HINSTANCE instance,
-         DWORD reason,
-         LPVOID reserved)
-{
-	switch (reason) {
-	case DLL_PROCESS_ATTACH:
-		p11_library_init ();
-		break;
-	case DLL_THREAD_DETACH:
-		p11_library_thread_cleanup ();
-		break;
-	case DLL_PROCESS_DETACH:
-		p11_library_uninit ();
-		break;
-	default:
-		break;
-	}
-
-	return TRUE;
-}
-
-#endif /* OS_WIN32 */