diff options
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/common/path/RTPathParentLength.cpp | 95 | ||||
-rw-r--r-- | src/VBox/Runtime/common/path/RTPathParentLength.cpp.h | 68 |
2 files changed, 163 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/path/RTPathParentLength.cpp b/src/VBox/Runtime/common/path/RTPathParentLength.cpp new file mode 100644 index 00000000..813e779e --- /dev/null +++ b/src/VBox/Runtime/common/path/RTPathParentLength.cpp @@ -0,0 +1,95 @@ +/* $Id: RTPathParentLength.cpp $ */ +/** @file + * IPRT - RTPathParentLength + */ + +/* + * Copyright (C) 2019-2023 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 "internal/iprt.h" +#include <iprt/path.h> + +#include <iprt/assert.h> +#include <iprt/ctype.h> +#include <iprt/err.h> +#include <iprt/string.h> + +#define RTPATH_TEMPLATE_CPP_H "RTPathParentLength.cpp.h" +#include "rtpath-expand-template.cpp.h" + + + +RTDECL(size_t) RTPathParentLengthEx(const char *pszPath, uint32_t fFlags) +{ + /* + * Input validation. + */ + AssertPtrReturn(pszPath, 0); + AssertReturn(*pszPath, 0); + AssertReturn(RTPATH_STR_F_IS_VALID(fFlags, 0), 0); + Assert(!(fFlags & RTPATH_STR_F_NO_END)); + + /* + * Invoke the worker for the selected path style. + */ + switch (fFlags & RTPATH_STR_F_STYLE_MASK) + { +#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS + case RTPATH_STR_F_STYLE_HOST: +#endif + case RTPATH_STR_F_STYLE_DOS: + return rtPathParentLengthStyleDos(pszPath, fFlags); + +#if RTPATH_STYLE != RTPATH_STR_F_STYLE_DOS + case RTPATH_STR_F_STYLE_HOST: +#endif + case RTPATH_STR_F_STYLE_UNIX: + return rtPathParentLengthStyleUnix(pszPath, fFlags); + + default: + AssertFailedReturn(0); /* impossible */ + } +} + + +RTDECL(size_t) RTPathParentLength(const char *pszPath) +{ +#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS + return rtPathParentLengthStyleDos(pszPath, 0); +#else + return rtPathParentLengthStyleUnix(pszPath, 0); +#endif +} + diff --git a/src/VBox/Runtime/common/path/RTPathParentLength.cpp.h b/src/VBox/Runtime/common/path/RTPathParentLength.cpp.h new file mode 100644 index 00000000..aebf823b --- /dev/null +++ b/src/VBox/Runtime/common/path/RTPathParentLength.cpp.h @@ -0,0 +1,68 @@ +/* $Id: RTPathParentLength.cpp.h $ */ +/** @file + * IPRT - RTPathParentLength - Code Template. + * + * This file included multiple times with different path style macros. + */ + +/* + * Copyright (C) 2019-2023 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 + */ + +#include "rtpath-root-length-template.cpp.h" + +/** + * @copydoc RTPathParentLengthEx + */ +static size_t RTPATH_STYLE_FN(rtPathParentLength)(const char *pszPath, uint32_t fFlags) +{ + /* + * Determin the length of the root component so we can make sure + * we don't try ascend higher than it. + */ + size_t const cchRoot = RTPATH_STYLE_FN(rtPathRootLengthEx)(pszPath, fFlags); + + /* + * Rewind to the start of the final component. + */ + size_t cch = strlen(pszPath); + + /* Trailing slashes: */ + while (cch > cchRoot && RTPATH_IS_SLASH(pszPath[cch - 1])) + cch--; + + /* The component: */ + while (cch > cchRoot && !RTPATH_IS_SEP(pszPath[cch - 1])) + cch--; + + /* Done! */ + return cch; +} + |