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Diffstat (limited to 'src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp')
-rw-r--r--src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp106
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diff --git a/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp b/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp
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+/* $Id: RTPathGetCurrentDrive-generic.cpp $ */
+/** @file
+ * IPRT - RTPathGetCurrentDrive, generic implementation.
+ */
+
+/*
+ * Copyright (C) 2014-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#define LOG_GROUP RTLOGGROUP_PATH
+#include <iprt/path.h>
+#include "internal/iprt.h"
+
+#include <iprt/ctype.h>
+#include <iprt/err.h>
+#include <iprt/string.h>
+#include "internal/path.h"
+
+
+RTDECL(int) RTPathGetCurrentDrive(char *pszPath, size_t cbPath)
+{
+#ifdef HAVE_DRIVE
+ /*
+ * Query the current directroy and extract the wanted information from it.
+ */
+ int rc = RTPathGetCurrent(pszPath, cbPath);
+ if (RT_SUCCESS(rc))
+ {
+ /*
+ * Drive letter? Chop off at root slash.
+ */
+ if (pszPath[0] && RTPATH_IS_VOLSEP(pszPath[1]))
+ {
+ pszPath[2] = '\0';
+ return rc;
+ }
+
+ /*
+ * UNC? Chop off after share.
+ */
+ if ( RTPATH_IS_SLASH(pszPath[0])
+ && RTPATH_IS_SLASH(pszPath[1])
+ && !RTPATH_IS_SLASH(pszPath[2])
+ && pszPath[2])
+ {
+ /* Work thru the server name. */
+ size_t off = 3;
+ while (!RTPATH_IS_SLASH(pszPath[off]) && pszPath[off])
+ off++;
+ size_t offServerSlash = off;
+
+ /* Is there a share name? */
+ if (RTPATH_IS_SLASH(pszPath[off]))
+ {
+ while (RTPATH_IS_SLASH(pszPath[off]))
+ off++;
+ if (pszPath[off])
+ {
+ /* Work thru the share name. */
+ while (!RTPATH_IS_SLASH(pszPath[off]) && pszPath[off])
+ off++;
+ }
+ /* No share name, chop at server name. */
+ else
+ off = offServerSlash;
+ }
+ }
+ return VERR_INTERNAL_ERROR_4;
+ }
+ return rc;
+
+#else /* !HAVE_DRIVE */
+ /*
+ * No drive letters on this system, return empty string.
+ */
+ if (cbPath > 0)
+ {
+ *pszPath = '\0';
+ return VINF_SUCCESS;
+ }
+ return VERR_BUFFER_OVERFLOW;
+#endif /* !HAVE_DRIVE */
+}
+RT_EXPORT_SYMBOL(RTPathGetCurrentDrive);
+