| 1 | /* $Id: RTPathTraverseList.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTPathTraverseList
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2009 Oracle Corporation
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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 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include "internal/iprt.h"
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| 32 | #include <iprt/path.h>
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| 33 |
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| 34 | #include <iprt/assert.h>
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| 35 | #include <iprt/ctype.h>
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| 36 | #include <iprt/err.h>
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| 37 | #include <iprt/string.h>
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| 38 |
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| 39 |
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| 40 | RTDECL(int) RTPathTraverseList(const char *pszPathList, char chSep, PFNRTPATHTRAVERSER pfnCallback, void *pvUser1, void *pvUser2)
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| 41 | {
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| 42 | AssertPtrNull(pszPathList);
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| 43 | Assert((unsigned int)chSep <= 127);
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| 44 |
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| 45 | if (!pszPathList)
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| 46 | return VERR_END_OF_STRING;
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| 47 |
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| 48 | /*
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| 49 | * Walk the path list.
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| 50 | */
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| 51 | const char *psz = pszPathList;
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| 52 | while (*psz)
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| 53 | {
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| 54 | /* Skip leading blanks - no directories with leading spaces, thank you. */
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| 55 | while (RT_C_IS_BLANK(*psz))
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| 56 | psz++;
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| 57 |
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| 58 | /* Find the end of this element. */
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| 59 | const char *pszNext;
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| 60 | const char *pszEnd = strchr(psz, chSep);
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| 61 | if (!pszEnd)
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| 62 | pszEnd = pszNext = strchr(psz, '\0');
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| 63 | else
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| 64 | pszNext = pszEnd + 1;
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| 65 | if (pszEnd != psz)
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| 66 | {
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| 67 | size_t const cch = pszEnd - psz;
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| 68 | int rc = pfnCallback(psz, cch, pvUser1, pvUser2);
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| 69 | if (rc != VERR_TRY_AGAIN)
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| 70 | return rc;
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| 71 | }
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| 72 |
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| 73 | /* advance */
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| 74 | psz = pszNext;
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| 75 | }
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| 76 |
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| 77 | return VERR_END_OF_STRING;
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| 78 | }
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| 79 | RT_EXPORT_SYMBOL(RTPathTraverseList);
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| 80 |
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