Move DLL support to lib/fs

src/common/util.c

@@ -134,18 +134,3 @@ ENABLE_GCC_WARNING(aggregate-return)
 /* =====
  * Time
  * ===== */
-
-#ifdef _WIN32
-HANDLE
-load_windows_system_library(const TCHAR *library_name)
-{
-  TCHAR path[MAX_PATH];
-  unsigned n;
-  n = GetSystemDirectory(path, MAX_PATH);
-  if (n == 0 || n + _tcslen(library_name) + 2 >= MAX_PATH)
-    return 0;
-  _tcscat(path, TEXT("\\"));
-  _tcscat(path, library_name);
-  return LoadLibrary(path);
-}
-#endif /* defined(_WIN32) */

src/common/util.h

@@ -40,6 +40,7 @@
 #include "lib/fs/path.h"
 #include "lib/encoding/time_fmt.h"
 #include "lib/encoding/cstring.h"
+#include "lib/fs/winlib.h"
 
 void tor_log_mallinfo(int severity);
 
@@ -76,8 +77,4 @@ void tor_log_mallinfo(int severity);
   ((isSock) ? read_all_from_socket((fd), (buf), (count)) \
             : read_all_from_fd((int)(fd), (buf), (count)))
 
-#ifdef _WIN32
-HANDLE load_windows_system_library(const TCHAR *library_name);
-#endif
-
 #endif /* !defined(TOR_UTIL_H) */

src/lib/fs/include.am

@@ -15,6 +15,10 @@ src_lib_libtor_fs_a_SOURCES =			\
 	src/lib/fs/storagedir.c			\
 	src/lib/fs/userdb.c
 
+if WIN32
+src_lib_libtor_fs_a_SOURCES += src/lib/fs/winlib.c
+endif
+
 src_lib_libtor_fs_testing_a_SOURCES = \
 	$(src_lib_libtor_fs_a_SOURCES)
 src_lib_libtor_fs_testing_a_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_CPPFLAGS)
@@ -28,4 +32,5 @@ noinst_HEADERS +=					\
 	src/lib/fs/mmap.h				\
 	src/lib/fs/path.h				\
 	src/lib/fs/storagedir.h				\
-	src/lib/fs/userdb.h
+	src/lib/fs/userdb.h				\
+	src/lib/fs/winlib.h

src/lib/fs/winlib.c

@@ -0,0 +1,21 @@
+/* Copyright (c) 2003, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#ifdef _WIN32
+#include "lib/fs/winlib.h"
+
+HANDLE
+load_windows_system_library(const TCHAR *library_name)
+{
+  TCHAR path[MAX_PATH];
+  unsigned n;
+  n = GetSystemDirectory(path, MAX_PATH);
+  if (n == 0 || n + _tcslen(library_name) + 2 >= MAX_PATH)
+    return 0;
+  _tcscat(path, TEXT("\\"));
+  _tcscat(path, library_name);
+  return LoadLibrary(path);
+}
+#endif /* defined(_WIN32) */

src/lib/fs/winlib.h

@@ -0,0 +1,16 @@
+/* Copyright (c) 2003, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#ifndef TOR_WINLIB_H
+#define TOR_WINLIB_H
+
+#ifdef _WIN32
+#include <windows.h>
+#include <tchar.h>
+
+HANDLE load_windows_system_library(const TCHAR *library_name);
+#endif
+
+#endif