IPRT: Added RTStrCopyP, RTStrCopyPEx, RTStrCatP and RTStrCatPEx. These functions will advance the destination buffer pointer and size parameters.

git-svn-id: https://www.virtualbox.org/svn/vbox/trunk@36407 cfe28804-0f27-0410-a406-dd0f0b0b656f

1 files changed, 50 insertions, 0 deletions

diff --git a/src/VBox/Runtime/common/string/RTStrCatP.cpp b/src/VBox/Runtime/common/string/RTStrCatP.cpp
new file mode 100644
index 00000000000..33c049d46e3
--- /dev/null
+++ b/src/VBox/Runtime/common/string/RTStrCatP.cpp
@@ -0,0 +1,50 @@
+/* $Id$ */
+/** @file
+ * IPRT - RTStrCat.
+ */
+
+/*
+ * Copyright (C) 2010 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 <iprt/string.h>
+#include "internal/iprt.h"
+
+
+RTDECL(int) RTStrCatP(char **ppszDst, size_t *pcbDst, const char *pszSrc)
+{
+    /*
+     * Advance past the current string in the output buffer and turn this into
+     * a copy operation.
+     */
+    size_t  cbDst  = *pcbDst;
+    char   *pszDst = RTStrEnd(*ppszDst, *pcbDst);
+    AssertReturn(pszDst, VERR_INVALID_PARAMETER);
+    *pcbDst -= pszDst - *ppszDst;
+    *ppszDst = pszDst;
+
+    return RTStrCopyP(ppszDst, pcbDst, pszSrc);
+}
+RT_EXPORT_SYMBOL(RTStrCatP);
+