| 1 | /* $Id: strstrip.cpp 2981 2007-06-01 16:01:28Z vboxsync $ */
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| 2 | /** @file
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| 3 | * innotek Portable Runtime - 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) 2006-2007 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 | * If you received this file as part of a commercial VirtualBox
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| 18 | * distribution, then only the terms of your commercial VirtualBox
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| 19 | * license agreement apply instead of the previous paragraph.
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| 20 | */
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| 21 |
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| 22 | /*******************************************************************************
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| 23 | * Header Files *
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| 24 | *******************************************************************************/
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| 25 | #include <iprt/string.h>
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| 26 | #include <iprt/ctype.h>
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| 27 | #include <iprt/string.h>
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| 28 |
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| 29 |
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| 30 | /**
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| 31 | * Strips blankspaces from both ends of the string.
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| 32 | *
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| 33 | * @returns Pointer to first non-blank char in the string.
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| 34 | * @param psz The string to strip.
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| 35 | */
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| 36 | RTDECL(char *) RTStrStrip(char *psz)
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| 37 | {
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| 38 | /* left */
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| 39 | while (isspace(*psz))
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| 40 | psz++;
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| 41 |
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| 42 | /* right */
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| 43 | char *pszEnd = strchr(psz, '\0');
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| 44 | while (--pszEnd > psz && isspace(*pszEnd))
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| 45 | *pszEnd = '\0';
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| 46 |
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| 47 | return psz;
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| 48 | }
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| 49 |
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| 50 |
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| 51 | /**
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| 52 | * Strips blankspaces from the start of the string.
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| 53 | *
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| 54 | * @returns Pointer to first non-blank char in the string.
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| 55 | * @param psz The string to strip.
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| 56 | */
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| 57 | RTDECL(char *) RTStrStripL(const char *psz)
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| 58 | {
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| 59 | /* left */
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| 60 | while (isspace(*psz))
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| 61 | psz++;
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| 62 |
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| 63 | return (char *)psz;
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| 64 | }
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| 65 |
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| 66 |
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| 67 | /**
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| 68 | * Strips blankspaces from the end of the string.
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| 69 | *
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| 70 | * @returns psz.
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| 71 | * @param psz The string to strip.
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| 72 | */
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| 73 | RTDECL(char *) RTStrStripR(char *psz)
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| 74 | {
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| 75 | /* right */
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| 76 | char *pszEnd = strchr(psz, '\0');
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| 77 | while (--pszEnd > psz && isspace(*pszEnd))
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| 78 | *pszEnd = '\0';
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| 79 |
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| 80 | return psz;
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| 81 | }
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| 82 |
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