| 1 | /* $Id: RTPathEnsureTrailingSeparator.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTPathEnsureTrailingSeparator & RTPathEnsureTrailingSeparatorEx
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include "internal/iprt.h"
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| 42 | #include <iprt/path.h>
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| 43 |
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| 44 | #include <iprt/assert.h>
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| 45 | #include <iprt/ctype.h>
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| 46 | #include <iprt/string.h>
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| 47 |
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| 48 |
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| 49 | /*********************************************************************************************************************************
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| 50 | * Global Variables *
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| 51 | *********************************************************************************************************************************/
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| 52 | /** Slash character indexed by path style. */
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| 53 | static char g_achSlashes[] =
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| 54 | {
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| 55 | /*[RTPATH_STR_F_STYLE_HOST] =*/ RTPATH_SLASH,
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| 56 | /*[RTPATH_STR_F_STYLE_DOS] =*/ '\\',
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| 57 | /*[RTPATH_STR_F_STYLE_UNIX] =*/ '/',
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| 58 | /*[RTPATH_STR_F_STYLE_RESERVED] =*/ '!',
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| 59 | };
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| 60 | AssertCompile(RTPATH_STR_F_STYLE_HOST == 0);
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| 61 | AssertCompile(RTPATH_STR_F_STYLE_DOS == 1);
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| 62 | AssertCompile(RTPATH_STR_F_STYLE_UNIX == 2);
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| 63 |
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| 64 |
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| 65 | RTDECL(size_t) RTPathEnsureTrailingSeparatorEx(char *pszPath, size_t cbPath, uint32_t fFlags)
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| 66 | {
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| 67 | Assert(RTPATH_STR_F_IS_VALID(fFlags, 0));
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| 68 |
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| 69 | size_t off = strlen(pszPath);
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| 70 | if (off > 0)
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| 71 | {
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| 72 | char ch = pszPath[off - 1];
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| 73 | if (ch == '/')
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| 74 | return off;
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| 75 | if ( (ch == ':' || ch == '\\')
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| 76 | && ( (fFlags & RTPATH_STR_F_STYLE_MASK) == RTPATH_STR_F_STYLE_DOS
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| 77 | #if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS
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| 78 | || (fFlags & RTPATH_STR_F_STYLE_MASK) == RTPATH_STR_F_STYLE_HOST
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| 79 | #endif
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| 80 | ))
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| 81 | return off;
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| 82 |
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| 83 | if (off + 2 <= cbPath)
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| 84 | {
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| 85 | pszPath[off++] = g_achSlashes[fFlags & RTPATH_STR_F_STYLE_MASK];
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| 86 | pszPath[off] = '\0';
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| 87 | return off;
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| 88 | }
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| 89 | }
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| 90 | else if (off + 3 <= cbPath)
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| 91 | {
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| 92 | pszPath[off++] = '.';
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| 93 | pszPath[off++] = g_achSlashes[fFlags & RTPATH_STR_F_STYLE_MASK];
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| 94 | pszPath[off] = '\0';
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| 95 | return off;
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| 96 | }
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| 97 |
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| 98 | return 0;
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| 99 | }
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| 100 | RT_EXPORT_SYMBOL(RTPathEnsureTrailingSeparatorEx);
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| 101 |
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| 102 |
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| 103 | RTDECL(size_t) RTPathEnsureTrailingSeparator(char *pszPath, size_t cbPath)
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| 104 | {
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| 105 | return RTPathEnsureTrailingSeparatorEx(pszPath, cbPath, RTPATH_STR_F_STYLE_HOST);
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| 106 | }
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| 107 | RT_EXPORT_SYMBOL(RTPathEnsureTrailingSeparator);
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| 108 |
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