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Diffstat (limited to 'src/VBox/Runtime/common/path/RTPathStripFilename.cpp')
-rw-r--r--src/VBox/Runtime/common/path/RTPathStripFilename.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/path/RTPathStripFilename.cpp b/src/VBox/Runtime/common/path/RTPathStripFilename.cpp
new file mode 100644
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+++ b/src/VBox/Runtime/common/path/RTPathStripFilename.cpp
@@ -0,0 +1,89 @@
+/* $Id: RTPathStripFilename.cpp $ */
+/** @file
+ * IPRT - RTPathStripFilename
+ */
+
+/*
+ * Copyright (C) 2006-2020 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 *
+*********************************************************************************************************************************/
+#include "internal/iprt.h"
+#include <iprt/path.h>
+#include <iprt/ctype.h>
+
+
+/**
+ * Strips the filename from a path. Truncates the given string in-place by overwriting the
+ * last path separator character with a null byte in a platform-neutral way.
+ *
+ * @param pszPath Path from which filename should be extracted, will be truncated.
+ * If the string contains no path separator, it will be changed to a "." string.
+ */
+RTDECL(void) RTPathStripFilename(char *pszPath)
+{
+ char *psz = pszPath;
+ char *pszLastSep = NULL;
+
+
+ for (;; psz++)
+ {
+ switch (*psz)
+ {
+ /* handle separators. */
+#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
+ case ':':
+ pszLastSep = psz + 1;
+ if (RTPATH_IS_SLASH(psz[1]))
+ pszPath = psz + 1;
+ else
+ pszPath = psz;
+ break;
+
+ case '\\':
+#endif
+ case '/':
+ pszLastSep = psz;
+ break;
+
+ /* the end */
+ case '\0':
+ if (!pszLastSep)
+ {
+ /* no directory component */
+ pszPath[0] = '.';
+ pszPath[1] = '\0';
+ }
+ else if (pszLastSep == pszPath)
+ {
+ /* only root. */
+ pszLastSep[1] = '\0';
+ }
+ else
+ pszLastSep[0] = '\0';
+ return;
+ }
+ }
+ /* will never get here */
+}
+