| 1 | /* $Id: RTFileMove-generic.cpp 4071 2007-08-07 17:07:59Z 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 as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #define LOG_GROUP RTLOGGROUP_FILE
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| 19 | #include <iprt/file.h>
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| 20 | #include <iprt/path.h>
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| 21 | #include <iprt/err.h>
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| 22 | #include <iprt/assert.h>
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| 23 | #include <iprt/log.h>
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| 24 |
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| 25 |
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| 26 | RTDECL(int) RTFileMove(const char *pszSrc, const char *pszDst, unsigned fMove)
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| 27 | {
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| 28 | /*
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| 29 | * Validate input.
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| 30 | */
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| 31 | AssertMsgReturn(VALID_PTR(pszSrc), ("%p\n", pszSrc), VERR_INVALID_POINTER);
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| 32 | AssertMsgReturn(VALID_PTR(pszDst), ("%p\n", pszDst), VERR_INVALID_POINTER);
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| 33 | AssertMsgReturn(*pszSrc, ("%p\n", pszSrc), VERR_INVALID_PARAMETER);
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| 34 | AssertMsgReturn(*pszDst, ("%p\n", pszDst), VERR_INVALID_PARAMETER);
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| 35 | AssertMsgReturn(!(fMove & ~RTFILEMOVE_FLAGS_REPLACE), ("%#x\n", fMove), VERR_INVALID_PARAMETER);
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| 36 |
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| 37 | /*
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| 38 | * Try RTFileRename first.
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| 39 | */
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| 40 | Assert(RTPATHRENAME_FLAGS_REPLACE == RTFILEMOVE_FLAGS_REPLACE);
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| 41 | unsigned fRename = fMove;
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| 42 | int rc = RTFileRename(pszSrc, pszDst, fRename);
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| 43 | if (rc == VERR_NOT_SAME_DEVICE)
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| 44 | {
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| 45 | const char *pszDelete = NULL;
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| 46 |
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| 47 | /*
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| 48 | * The source and target are not on the same device, darn.
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| 49 | * We'll try open both ends and perform a copy.
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| 50 | */
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| 51 | RTFILE FileSrc;
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| 52 | rc = RTFileOpen(&FileSrc, pszSrc, RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN);
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| 53 | if (RT_SUCCESS(rc))
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| 54 | {
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| 55 | RTFILE FileDst;
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| 56 | rc = RTFileOpen(&FileDst, pszDst, RTFILE_O_WRITE | RTFILE_O_DENY_ALL | RTFILE_O_CREATE_REPLACE);
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| 57 | if (RT_SUCCESS(rc))
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| 58 | {
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| 59 | rc = RTFileCopyByHandles(FileSrc, FileDst);
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| 60 | if (RT_SUCCESS(rc))
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| 61 | pszDelete = pszSrc;
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| 62 | else
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| 63 | {
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| 64 | pszDelete = pszDst;
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| 65 | Log(("RTFileMove('%s', '%s', %#x): copy failed, rc=%Rrc\n",
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| 66 | pszSrc, pszDst, fMove, rc));
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| 67 | }
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| 68 |
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| 69 | /* try delete without closing, and could perhaps avoid some trouble */
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| 70 | int rc2 = RTFileDelete(pszDelete);
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| 71 | if (RT_SUCCESS(rc2))
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| 72 | pszDelete = NULL;
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| 73 | RTFileClose(FileDst);
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| 74 | }
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| 75 | else
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| 76 | Log(("RTFileMove('%s', '%s', %#x): failed to create destination, rc=%Rrc\n",
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| 77 | pszSrc, pszDst, fMove, rc));
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| 78 | RTFileClose(FileSrc);
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| 79 | }
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| 80 | else
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| 81 | Log(("RTFileMove('%s', '%s', %#x): failed to open source, rc=%Rrc\n",
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| 82 | pszSrc, pszDst, fMove, rc));
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| 83 |
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| 84 | /* if we failed to close it while open, close it now */
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| 85 | if (pszDelete)
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| 86 | {
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| 87 | int rc2 = RTFileDelete(pszDelete);
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| 88 | if (RT_FAILURE(rc2))
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| 89 | Log(("RTFileMove('%s', '%s', %#x): failed to delete '%s', rc2=%Rrc (rc=%Rrc)\n",
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| 90 | pszSrc, pszDst, fMove, pszDelete, rc2, rc));
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | LogFlow(("RTDirRename(%p:{%s}, %p:{%s}, %#x): returns %Rrc\n",
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| 95 | pszSrc, pszSrc, pszDst, pszDst, fMove, rc));
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| 96 | return rc;
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| 97 | }
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| 98 |
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