From 0ff6b9a26dd3916e7e5f29f37ec2220b95bf5180 Mon Sep 17 00:00:00 2001
From: "Matthias Huetsch [mhu]" <matthias.huetsch@oracle.com>
Date: Thu, 25 Nov 2010 14:22:01 +0100
Subject: #i115784# registry: fix memory errors uncovered by valgrind and other
 tools.

---
 registry/tools/options.cxx | 153 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 registry/tools/options.cxx

(limited to 'registry/tools/options.cxx')

diff --git a/registry/tools/options.cxx b/registry/tools/options.cxx
new file mode 100644
index 000000000000..d851825ebfb6
--- /dev/null
+++ b/registry/tools/options.cxx
@@ -0,0 +1,153 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#include "options.hxx"
+
+#include "osl/diagnose.h"
+
+#include <stdio.h>
+#include <string.h>
+
+namespace registry
+{
+namespace tools
+{
+
+Options::Options (char const * program)
+    : m_program (program)
+{}
+
+Options::~Options()
+{}
+
+// static
+bool Options::checkArgument(std::vector< std::string> & rArgs, char const * arg, size_t len)
+{
+    bool result = ((arg != 0) && (len > 0));
+    OSL_PRECOND(result, "registry::tools::Options::checkArgument(): invalid arguments");
+    if (result)
+    {
+        OSL_TRACE("registry::tools:Options::checkArgument(): \"%s\"", arg);
+        switch (arg[0])
+        {
+        case '@':
+            if ((result = (len > 1)) == true)
+            {
+                // "@<cmdfile>"
+                result = Options::checkCommandFile(rArgs, &(arg[1]));
+            }
+            break;
+        case '-':
+            if ((result = (len > 1)) == true)
+            {
+                // "-<option>"
+                std::string option (&(arg[0]), 2);
+                rArgs.push_back(option);
+                if (len > 2)
+                {
+                    // "-<option><param>"
+                    std::string param(&(arg[2]), len - 2);
+                    rArgs.push_back(param);
+                }
+            }
+            break;
+        default:
+            rArgs.push_back(std::string(arg, len));
+            break;
+        }
+    }
+    return (result);
+}
+
+// static
+bool Options::checkCommandFile(std::vector< std::string > & rArgs, char const * filename)
+{
+    FILE * fp = fopen(filename, "r");
+    if (fp == 0)
+    {
+        fprintf(stderr, "ERROR: Can't open command file \"%s\"\n", filename);
+        return (false);
+    }
+
+    std::string buffer;
+    buffer.reserve(256);
+
+    bool quoted = false;
+    int  c = EOF;
+    while ((c = fgetc(fp)) != EOF)
+    {
+        switch(c)
+        {
+        case '\"':
+            quoted = !quoted;
+            break;
+        case ' ':
+        case '\t':
+        case '\r':
+        case '\n':
+            if (!quoted)
+            {
+                if (!buffer.empty())
+                {
+                    if (!checkArgument(rArgs, buffer.c_str(), buffer.size()))
+                    {
+                        // failure.
+                        (void) fclose(fp);
+                        return false;
+                    }
+                    buffer.clear();
+                }
+                break;
+            }
+        default:
+            // quoted white-space fall through
+            buffer.push_back(sal::static_int_cast<char>(c));
+            break;
+        }
+    }
+    return (fclose(fp) == 0);
+}
+
+bool Options::initOptions (std::vector< std::string > & rArgs)
+{
+    return initOptions_Impl (rArgs);
+}
+
+bool Options::badOption (char const * reason, char const * option) const
+{
+    (void) fprintf(stderr, "%s: %s option '%s'\n", m_program.c_str(), reason, option);
+    return printUsage();
+}
+
+bool Options::printUsage() const
+{
+    printUsage_Impl();
+    return false;
+}
+
+} // namespace tools
+} // namespace registry
-- 
cgit