1 | /* $Id: strstrip.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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2 | /** @file
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3 | * IPRT - String Stripping and Trimming.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2019 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 <iprt/string.h>
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32 | #include "internal/iprt.h"
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33 |
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34 | #include <iprt/ctype.h>
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35 | #include <iprt/string.h>
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36 |
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37 |
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38 | /**
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39 | * Strips blankspaces from both ends of the string.
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40 | *
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41 | * @returns Pointer to first non-blank char in the string.
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42 | * @param psz The string to strip.
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43 | */
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44 | RTDECL(char *) RTStrStrip(char *psz)
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45 | {
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46 | /* left */
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47 | while (RT_C_IS_SPACE(*psz))
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48 | psz++;
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49 |
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50 | /* right */
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51 | char *pszEnd = strchr(psz, '\0');
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52 | while (--pszEnd > psz && RT_C_IS_SPACE(*pszEnd))
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53 | *pszEnd = '\0';
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54 |
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55 | return psz;
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56 | }
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57 | RT_EXPORT_SYMBOL(RTStrStrip);
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58 |
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59 |
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60 | /**
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61 | * Strips blankspaces from the start of the string.
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62 | *
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63 | * @returns Pointer to first non-blank char in the string.
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64 | * @param psz The string to strip.
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65 | */
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66 | RTDECL(char *) RTStrStripL(const char *psz)
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67 | {
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68 | /* left */
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69 | while (RT_C_IS_SPACE(*psz))
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70 | psz++;
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71 |
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72 | return (char *)psz;
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73 | }
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74 | RT_EXPORT_SYMBOL(RTStrStripL);
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75 |
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76 |
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77 | /**
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78 | * Strips blankspaces from the end of the string.
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79 | *
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80 | * @returns psz.
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81 | * @param psz The string to strip.
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82 | */
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83 | RTDECL(char *) RTStrStripR(char *psz)
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84 | {
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85 | /* right */
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86 | char *pszEnd = strchr(psz, '\0');
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87 | while (--pszEnd > psz && RT_C_IS_SPACE(*pszEnd))
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88 | *pszEnd = '\0';
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89 |
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90 | return psz;
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91 | }
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92 | RT_EXPORT_SYMBOL(RTStrStripR);
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93 |
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