From 4035b1bfb1e5843a539a8b624d21952b756974d1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 16:19:18 +0200 Subject: Adding upstream version 6.1.22-dfsg. Signed-off-by: Daniel Baumann --- .../generic/RTPathGetCurrentDrive-generic.cpp | 123 +++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp (limited to 'src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp') diff --git a/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp b/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp new file mode 100644 index 00000000..6a22cd26 --- /dev/null +++ b/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp @@ -0,0 +1,123 @@ +/* $Id: RTPathGetCurrentDrive-generic.cpp $ */ +/** @file + * IPRT - RTPathGetCurrentDrive, generic implementation. + */ + +/* + * Copyright (C) 2014-2020 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 * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_PATH +#include +#include "internal/iprt.h" + +#include +#include +#include +#include +#include "internal/path.h" + + +RTDECL(int) RTPathGetCurrentDrive(char *pszPath, size_t cbPath) +{ +#ifdef HAVE_DRIVE + /* + * Query the current directroy and extract the wanted information from it. + */ + char *pszPathFree = NULL; + char *pszCwd = pszPath; + int rc = RTPathGetCurrent(pszCwd, cbPath); + if (RT_SUCCESS(rc)) + { /* likely */ } + else if (rc != VERR_BUFFER_OVERFLOW) + return rc; + else + { + pszPathFree = pszCwd = (char *)RTMemTmpAlloc(RTPATH_BIG_MAX); + AssertReturn(pszPathFree, VERR_NO_TMP_MEMORY); + rc = RTPathGetCurrent(pszCwd, RTPATH_BIG_MAX); + } + if (RT_SUCCESS(rc)) + { + /* + * Drive letter? Chop off at root slash. + */ + if (pszCwd[0] && RTPATH_IS_VOLSEP(pszCwd[1])) + pszCwd[2] = '\0'; + /* + * UNC? Chop off after share. + */ + else if ( RTPATH_IS_SLASH(pszCwd[0]) + && RTPATH_IS_SLASH(pszCwd[1]) + && !RTPATH_IS_SLASH(pszCwd[2]) + && pszCwd[2]) + { + /* Work thru the server name. */ + size_t off = 3; + while (!RTPATH_IS_SLASH(pszCwd[off]) && pszCwd[off]) + off++; + size_t offServerSlash = off; + + /* Is there a share name? */ + if (RTPATH_IS_SLASH(pszCwd[off])) + { + while (RTPATH_IS_SLASH(pszCwd[off])) + off++; + if (pszCwd[off]) + { + /* Work thru the share name. */ + while (!RTPATH_IS_SLASH(pszCwd[off]) && pszCwd[off]) + off++; + } + /* No share name, chop at server name. */ + else + off = offServerSlash; + } + pszCwd[off] = '\0'; + } + else + rc = VERR_INTERNAL_ERROR_4; + } + if (pszPathFree) + { + if (RT_SUCCESS(rc)) + rc = RTStrCopy(pszPath, cbPath, pszCwd); + RTMemTmpFree(pszPathFree); + } + return rc; + +#else /* !HAVE_DRIVE */ + /* + * No drive letters on this system, return empty string. + */ + if (cbPath > 0) + { + *pszPath = '\0'; + return VINF_SUCCESS; + } + return VERR_BUFFER_OVERFLOW; +#endif /* !HAVE_DRIVE */ +} +RT_EXPORT_SYMBOL(RTPathGetCurrentDrive); + -- cgit v1.2.3