1 files changed, 72 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrCopyPEx.cpp b/src/VBox/Runtime/common/string/RTStrCopyPEx.cpp
new file mode 100644
index 00000000..3034fc62
--- /dev/null
+++ b/src/VBox/Runtime/common/string/RTStrCopyPEx.cpp
@@ -0,0 +1,72 @@
+/* $Id: RTStrCopyPEx.cpp $ */
+/** @file
+ * IPRT - RTStrCopyPEx.
+ */
+
+/*
+ * Copyright (C) 2010-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/string.h>
+#include "internal/iprt.h"
+
+#include <iprt/errcore.h>
+
+
+RTDECL(int) RTStrCopyPEx(char **ppszDst, size_t *pcbDst, const char *pszSrc, size_t cchMaxSrc)
+{
+    const char  *pszSrcEol = RTStrEnd(pszSrc, cchMaxSrc);
+    size_t       cchSrc    = pszSrcEol ? (size_t)(pszSrcEol - pszSrc) : cchMaxSrc;
+    size_t const cbDst     = *pcbDst;
+    char        *pszDst    = *ppszDst;
+    if (RT_LIKELY(cchSrc < cbDst))
+    {
+        memcpy(pszDst, pszSrc, cchSrc);
+        *ppszDst = pszDst += cchSrc;
+        *pszDst  = '\0';
+        *pcbDst -= cchSrc;
+        return VINF_SUCCESS;
+    }
+
+    if (cbDst != 0)
+    {
+        memcpy(*ppszDst, pszSrc, cbDst - 1);
+        *ppszDst = pszDst += cbDst - 1;
+        *pszDst  = '\0';
+        *pcbDst  = 1;
+    }
+    return VERR_BUFFER_OVERFLOW;
+}
+RT_EXPORT_SYMBOL(RTStrCopyPEx);
+