| 1 | /* $Id: RTPathTraverseList.cpp 62477 2016-07-22 18:27:37Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - RTPathTraverseList
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2009-2016 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include "internal/iprt.h"
|
|---|
| 32 | #include <iprt/path.h>
|
|---|
| 33 |
|
|---|
| 34 | #include <iprt/assert.h>
|
|---|
| 35 | #include <iprt/ctype.h>
|
|---|
| 36 | #include <iprt/err.h>
|
|---|
| 37 | #include <iprt/string.h>
|
|---|
| 38 |
|
|---|
| 39 |
|
|---|
| 40 | RTDECL(int) RTPathTraverseList(const char *pszPathList, char chSep, PFNRTPATHTRAVERSER pfnCallback, void *pvUser1, void *pvUser2)
|
|---|
| 41 | {
|
|---|
| 42 | AssertPtrNull(pszPathList);
|
|---|
| 43 | Assert((unsigned int)chSep <= 127);
|
|---|
| 44 |
|
|---|
| 45 | if (!pszPathList)
|
|---|
| 46 | return VERR_END_OF_STRING;
|
|---|
| 47 |
|
|---|
| 48 | /*
|
|---|
| 49 | * Walk the path list.
|
|---|
| 50 | */
|
|---|
| 51 | const char *psz = pszPathList;
|
|---|
| 52 | while (*psz)
|
|---|
| 53 | {
|
|---|
| 54 | /* Skip leading blanks - no directories with leading spaces, thank you. */
|
|---|
| 55 | while (RT_C_IS_BLANK(*psz))
|
|---|
| 56 | psz++;
|
|---|
| 57 |
|
|---|
| 58 | /* Find the end of this element. */
|
|---|
| 59 | const char *pszNext;
|
|---|
| 60 | const char *pszEnd = strchr(psz, chSep);
|
|---|
| 61 | if (!pszEnd)
|
|---|
| 62 | pszEnd = pszNext = strchr(psz, '\0');
|
|---|
| 63 | else
|
|---|
| 64 | pszNext = pszEnd + 1;
|
|---|
| 65 | if (pszEnd != psz)
|
|---|
| 66 | {
|
|---|
| 67 | size_t const cch = pszEnd - psz;
|
|---|
| 68 | int rc = pfnCallback(psz, cch, pvUser1, pvUser2);
|
|---|
| 69 | if (rc != VERR_TRY_AGAIN)
|
|---|
| 70 | return rc;
|
|---|
| 71 | }
|
|---|
| 72 |
|
|---|
| 73 | /* advance */
|
|---|
| 74 | psz = pszNext;
|
|---|
| 75 | }
|
|---|
| 76 |
|
|---|
| 77 | return VERR_END_OF_STRING;
|
|---|
| 78 | }
|
|---|
| 79 | RT_EXPORT_SYMBOL(RTPathTraverseList);
|
|---|
| 80 |
|
|---|
