1 | /* $Id: RTFileMove-generic.cpp 5999 2007-12-07 15:05:06Z vboxsync $ */
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2 | /** @file
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3 | * innotek Portable Runtime - RTFileMove, Generic.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2007 innotek GmbH
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 | #define LOG_GROUP RTLOGGROUP_FILE
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28 | #include <iprt/file.h>
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29 | #include <iprt/path.h>
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30 | #include <iprt/err.h>
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31 | #include <iprt/assert.h>
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32 | #include <iprt/log.h>
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33 |
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34 |
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35 | RTDECL(int) RTFileMove(const char *pszSrc, const char *pszDst, unsigned fMove)
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36 | {
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37 | /*
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38 | * Validate input.
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39 | */
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40 | AssertMsgReturn(VALID_PTR(pszSrc), ("%p\n", pszSrc), VERR_INVALID_POINTER);
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41 | AssertMsgReturn(VALID_PTR(pszDst), ("%p\n", pszDst), VERR_INVALID_POINTER);
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42 | AssertMsgReturn(*pszSrc, ("%p\n", pszSrc), VERR_INVALID_PARAMETER);
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43 | AssertMsgReturn(*pszDst, ("%p\n", pszDst), VERR_INVALID_PARAMETER);
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44 | AssertMsgReturn(!(fMove & ~RTFILEMOVE_FLAGS_REPLACE), ("%#x\n", fMove), VERR_INVALID_PARAMETER);
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45 |
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46 | /*
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47 | * Try RTFileRename first.
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48 | */
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49 | Assert(RTPATHRENAME_FLAGS_REPLACE == RTFILEMOVE_FLAGS_REPLACE);
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50 | unsigned fRename = fMove;
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51 | int rc = RTFileRename(pszSrc, pszDst, fRename);
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52 | if (rc == VERR_NOT_SAME_DEVICE)
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53 | {
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54 | const char *pszDelete = NULL;
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55 |
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56 | /*
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57 | * The source and target are not on the same device, darn.
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58 | * We'll try open both ends and perform a copy.
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59 | */
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60 | RTFILE FileSrc;
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61 | rc = RTFileOpen(&FileSrc, pszSrc, RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN);
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62 | if (RT_SUCCESS(rc))
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63 | {
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64 | RTFILE FileDst;
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65 | rc = RTFileOpen(&FileDst, pszDst, RTFILE_O_WRITE | RTFILE_O_DENY_ALL | RTFILE_O_CREATE_REPLACE);
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66 | if (RT_SUCCESS(rc))
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67 | {
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68 | rc = RTFileCopyByHandles(FileSrc, FileDst);
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69 | if (RT_SUCCESS(rc))
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70 | pszDelete = pszSrc;
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71 | else
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72 | {
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73 | pszDelete = pszDst;
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74 | Log(("RTFileMove('%s', '%s', %#x): copy failed, rc=%Rrc\n",
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75 | pszSrc, pszDst, fMove, rc));
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76 | }
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77 |
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78 | /* try delete without closing, and could perhaps avoid some trouble */
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79 | int rc2 = RTFileDelete(pszDelete);
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80 | if (RT_SUCCESS(rc2))
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81 | pszDelete = NULL;
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82 | RTFileClose(FileDst);
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83 | }
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84 | else
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85 | Log(("RTFileMove('%s', '%s', %#x): failed to create destination, rc=%Rrc\n",
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86 | pszSrc, pszDst, fMove, rc));
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87 | RTFileClose(FileSrc);
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88 | }
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89 | else
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90 | Log(("RTFileMove('%s', '%s', %#x): failed to open source, rc=%Rrc\n",
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91 | pszSrc, pszDst, fMove, rc));
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92 |
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93 | /* if we failed to close it while open, close it now */
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94 | if (pszDelete)
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95 | {
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96 | int rc2 = RTFileDelete(pszDelete);
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97 | if (RT_FAILURE(rc2))
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98 | Log(("RTFileMove('%s', '%s', %#x): failed to delete '%s', rc2=%Rrc (rc=%Rrc)\n",
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99 | pszSrc, pszDst, fMove, pszDelete, rc2, rc));
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100 | }
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101 | }
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102 |
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103 | LogFlow(("RTDirRename(%p:{%s}, %p:{%s}, %#x): returns %Rrc\n",
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104 | pszSrc, pszSrc, pszDst, pszDst, fMove, rc));
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105 | return rc;
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106 | }
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107 |
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