diff options
Diffstat (limited to 'src/VBox/Runtime/common/path/RTPathJoinA.cpp')
-rw-r--r-- | src/VBox/Runtime/common/path/RTPathJoinA.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/path/RTPathJoinA.cpp b/src/VBox/Runtime/common/path/RTPathJoinA.cpp new file mode 100644 index 00000000..2d69f446 --- /dev/null +++ b/src/VBox/Runtime/common/path/RTPathJoinA.cpp @@ -0,0 +1,73 @@ +/* $Id: RTPathJoinA.cpp $ */ +/** @file + * IPRT - RTPathJoinA. + */ + +/* + * 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 "internal/iprt.h" +#include <iprt/path.h> +#include <iprt/assert.h> +#include <iprt/errcore.h> +#include <iprt/string.h> + + + + +RTDECL(char *) RTPathJoinA(const char *pszPathSrc, const char *pszAppend) +{ + AssertPtr(pszAppend); + AssertPtr(pszPathSrc); + + /* + * The easy way: Allocate a buffer and call RTPathAppend till it succeeds. + */ + size_t cchPathSrc = strlen(pszPathSrc); + size_t cchAppend = strlen(pszAppend); + size_t cbPathDst = cchPathSrc + cchAppend + 4; + char *pszPathDst = RTStrAlloc(cbPathDst); + if (pszPathDst) + { + memcpy(pszPathDst, pszPathSrc, cchPathSrc + 1); + int rc = RTPathAppend(pszPathDst, cbPathDst, pszAppend); + if (RT_FAILURE(rc)) + { + /* This shouldn't happen, but if it does try again with a larger buffer... */ + AssertRC(rc); + + rc = RTStrRealloc(&pszPathDst, cbPathDst * 2); + if (RT_SUCCESS(rc)) + rc = RTPathAppend(pszPathDst, cbPathDst, pszAppend); + if (RT_FAILURE(rc)) + { + RTStrFree(pszPathDst); + pszPathDst = NULL; + } + } + } + return pszPathDst; +} + |