1 files changed, 149 insertions, 0 deletions
diff --git a/shell/source/unix/sysshell/recently_used_file.cxx b/shell/source/unix/sysshell/recently_used_file.cxx
new file mode 100644
index 000000000000..6de067a62936
--- /dev/null
+++ b/shell/source/unix/sysshell/recently_used_file.cxx
@@ -0,0 +1,149 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: recently_used_file.cxx,v $
+ * $Revision: 1.7.30.1 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_shell.hxx"
+
+#ifndef INCLUDED_RECENTLY_USED_FILE
+#include "recently_used_file.hxx"
+#endif
+#include <rtl/ustring.hxx>
+#include <osl/process.h>
+#include <osl/security.hxx>
+#include <osl/thread.h>
+#include <osl/file.hxx>
+
+#include <sys/file.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <unistd.h>
+
+const rtl::OUString RECENTLY_USED_FILE_NAME = rtl::OUString::createFromAscii(".recently-used");
+const rtl::OUString SLASH = rtl::OUString::createFromAscii("/");
+
+namespace /* private */ {
+
+inline void ensure_final_slash(/*inout*/ rtl::OUString& path)
+{
+    if ((path.getLength() > 0) &&
+        (SLASH.pData->buffer[0] != path.pData->buffer[path.getLength() - 1]))
+        path += SLASH;
+}
+
+} // namespace private
+
+//------------------------------------------------
+recently_used_file::recently_used_file() :
+    file_(NULL)
+{
+    osl::Security sec;
+    rtl::OUString homedir_url;
+
+    if (sec.getHomeDir(homedir_url))
+    {
+        rtl::OUString homedir;
+        osl::FileBase::getSystemPathFromFileURL(homedir_url, homedir);
+
+        rtl::OUString rufn = homedir;
+        ensure_final_slash(rufn);
+        rufn += RECENTLY_USED_FILE_NAME;
+
+        rtl::OString tmp =
+            rtl::OUStringToOString(rufn, osl_getThreadTextEncoding());
+
+        file_ = fopen(tmp.getStr(), "r+");
+
+        /* create if not exist */
+        if (NULL == file_) {
+            mode_t umask_ = umask(S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH);
+            file_ = fopen(tmp.getStr(), "w+");
+            umask(umask_);
+        }
+
+        if (NULL == file_)
+            throw "I/O error opening ~/.recently-used";
+
+        if (lockf(fileno(file_), F_LOCK, 0) != 0)
+        {
+            fclose(file_);
+            throw "Cannot lock ~/.recently-used";
+        }
+    }
+    else
+        throw "Cannot determine user home directory";
+}
+
+//------------------------------------------------
+recently_used_file::~recently_used_file()
+{
+    lockf(fileno(file_), F_ULOCK, 0);
+    fclose(file_);
+}
+
+//------------------------------------------------
+void recently_used_file::reset() const
+{
+    rewind(file_);
+}
+
+//------------------------------------------------
+void recently_used_file::truncate(off_t length)
+{
+    ftruncate(fileno(file_), length);
+}
+
+//------------------------------------------------
+size_t recently_used_file::read(char* buffer, size_t size) const
+{
+    size_t  r = fread(reinterpret_cast<void*>(buffer), sizeof(char), size, file_);
+
+    if ((r < size) && ferror(file_))
+        throw "I/O error: read failed";
+
+    return r;
+}
+
+//----------------------------
+void recently_used_file::write(const char* buffer, size_t size) const
+{
+    if (size != fwrite(reinterpret_cast<const void*>(buffer), sizeof(char), size, file_))
+        throw "I/O error: write failed";
+}
+
+//----------------------------
+bool recently_used_file::eof() const
+{
+    return feof(file_);
+}
+
+
+
+