diff options
Diffstat (limited to 'src/VBox/Runtime/common/string/RTStrCat.cpp')
-rw-r--r-- | src/VBox/Runtime/common/string/RTStrCat.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrCat.cpp b/src/VBox/Runtime/common/string/RTStrCat.cpp new file mode 100644 index 00000000..27f44cc7 --- /dev/null +++ b/src/VBox/Runtime/common/string/RTStrCat.cpp @@ -0,0 +1,58 @@ +/* $Id: RTStrCat.cpp $ */ +/** @file + * IPRT - RTStrCat. + */ + +/* + * Copyright (C) 2010-2019 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 * +*********************************************************************************************************************************/ +#include <iprt/string.h> +#include "internal/iprt.h" + +#include <iprt/errcore.h> + + +RTDECL(int) RTStrCat(char *pszDst, size_t cbDst, const char *pszSrc) +{ + char *pszDst2 = RTStrEnd(pszDst, cbDst); + AssertReturn(pszDst2, VERR_INVALID_PARAMETER); + cbDst -= pszDst2 - pszDst; + + size_t cchSrc = strlen(pszSrc); + if (RT_LIKELY(cchSrc < cbDst)) + { + memcpy(pszDst2, pszSrc, cchSrc + 1); + return VINF_SUCCESS; + } + + if (cbDst != 0) + { + memcpy(pszDst2, pszSrc, cbDst - 1); + pszDst2[cbDst - 1] = '\0'; + } + return VERR_BUFFER_OVERFLOW; +} +RT_EXPORT_SYMBOL(RTStrCat); + |