1 | /* $Id: RTPathGetCurrentOnDrive-generic.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - RTPathGetCurrentOnDrive, generic implementation.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2014-2024 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 | #define LOG_GROUP RTLOGGROUP_PATH
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42 | #include <iprt/path.h>
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43 | #include "internal/iprt.h"
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44 |
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45 | #include <iprt/ctype.h>
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46 | #include <iprt/errcore.h>
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47 | #include <iprt/string.h>
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48 | #include "internal/path.h"
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49 |
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50 |
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51 | RTDECL(int) RTPathGetCurrentOnDrive(char chDrive, char *pszPath, size_t cbPath)
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52 | {
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53 | #ifdef HAVE_DRIVE
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54 | /*
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55 | * Check if it's the same drive as the current directory.
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56 | */
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57 | int rc = RTPathGetCurrent(pszPath, cbPath);
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58 | if (RT_SUCCESS(rc))
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59 | {
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60 | if ( ( chDrive == *pszPath
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61 | || RT_C_TO_LOWER(chDrive) == RT_C_TO_LOWER(*pszPath))
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62 | && RTPATH_IS_VOLSEP(pszPath[1]))
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63 | return rc;
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64 |
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65 | /*
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66 | * Different drive, indicate root.
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67 | */
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68 | if (cbPath >= 4)
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69 | {
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70 | pszPath[0] = RT_C_TO_UPPER(chDrive);
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71 | pszPath[1] = ':';
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72 | pszPath[2] = RTPATH_SLASH;
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73 | pszPath[3] = '\0';
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74 | return VINF_SUCCESS;
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75 | }
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76 | }
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77 | return rc;
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78 |
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79 | #else
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80 | /*
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81 | * No driver letters, just return root slash on whatever we're asked.
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82 | */
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83 | NOREF(chDrive);
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84 | if (cbPath >= 2)
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85 | {
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86 | pszPath[0] = RTPATH_SLASH;
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87 | pszPath[1] = '\0';
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88 | return VINF_SUCCESS;
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89 | }
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90 | return VERR_BUFFER_OVERFLOW;
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91 | #endif
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92 | }
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93 | RT_EXPORT_SYMBOL(RTPathGetCurrentOnDrive);
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94 |
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