Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 103 insertions, 0 deletions

diff --git a/sal/rtl/cmdargs.cxx b/sal/rtl/cmdargs.cxx
new file mode 100644
index 000000000..bad833077
--- /dev/null
+++ b/sal/rtl/cmdargs.cxx
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <osl/mutex.hxx>
+#include <rtl/alloc.h>
+#include <rtl/process.h>
+#include <rtl/ustring.hxx>
+
+namespace {
+
+rtl_uString ** g_ppCommandArgs = nullptr;
+sal_uInt32     g_nCommandArgCount = 0;
+
+struct ArgHolder
+{
+    ~ArgHolder();
+};
+
+ArgHolder::~ArgHolder()
+{
+    while (g_nCommandArgCount > 0)
+        rtl_uString_release (g_ppCommandArgs[--g_nCommandArgCount]);
+
+    free (g_ppCommandArgs);
+    g_ppCommandArgs = nullptr;
+}
+
+// The destructor of this static ArgHolder is "activated" by the assignments to
+// g_ppCommandArgs and g_nCommandArgCount in init():
+ArgHolder argHolder;
+
+void init()
+{
+    osl::MutexGuard guard( osl::Mutex::getGlobalMutex() );
+    if (g_ppCommandArgs)
+        return;
+
+    sal_Int32 i, n = osl_getCommandArgCount();
+
+    g_ppCommandArgs =
+        static_cast<rtl_uString**>(rtl_allocateZeroMemory (n * sizeof(rtl_uString*)));
+    for (i = 0; i < n; i++)
+    {
+        rtl_uString * pArg = nullptr;
+        osl_getCommandArg (i, &pArg);
+        bool env;
+        {
+            auto const & arg = OUString::unacquired(&pArg);
+            env = (arg.startsWith("-") || arg.startsWith("/")) &&
+                arg.match("env:", 1) &&
+                arg.indexOf ('=') >= 0;
+        }
+        if (env )
+        {
+            // ignore.
+            rtl_uString_release (pArg);
+        }
+        else
+        {
+            // assign.
+            g_ppCommandArgs[g_nCommandArgCount++] = pArg;
+        }
+    }
+}
+
+}
+
+oslProcessError SAL_CALL rtl_getAppCommandArg (
+    sal_uInt32 nArg, rtl_uString **ppCommandArg)
+{
+    init();
+    oslProcessError result = osl_Process_E_NotFound;
+    if( nArg < g_nCommandArgCount )
+    {
+        rtl_uString_assign( ppCommandArg, g_ppCommandArgs[nArg] );
+        result = osl_Process_E_None;
+    }
+    return result;
+}
+
+sal_uInt32 SAL_CALL rtl_getAppCommandArgCount()
+{
+    init();
+    return g_nCommandArgCount;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */