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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp')
-rw-r--r-- | src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp b/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp new file mode 100644 index 00000000..1d2d4698 --- /dev/null +++ b/src/VBox/Runtime/generic/RTPathGetCurrentDrive-generic.cpp @@ -0,0 +1,133 @@ +/* $Id: RTPathGetCurrentDrive-generic.cpp $ */ +/** @file + * IPRT - RTPathGetCurrentDrive, generic implementation. + */ + +/* + * Copyright (C) 2014-2023 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 * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_PATH +#include <iprt/path.h> +#include "internal/iprt.h" + +#include <iprt/ctype.h> +#include <iprt/err.h> +#include <iprt/mem.h> +#include <iprt/string.h> +#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); + |