strstrip.cpp revision c58f1213e628a545081c70e26c6b67a841cff880
/* $Id$ */
/** @file
* IPRT - String Stripping and Trimming.
*/
/*
* Copyright (C) 2006-2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <iprt/string.h>
#include "internal/iprt.h"
#include <iprt/ctype.h>
#include <iprt/string.h>
/**
* Strips blankspaces from both ends of the string.
*
* @returns Pointer to first non-blank char in the string.
* @param psz The string to strip.
*/
RTDECL(char *) RTStrStrip(char *psz)
{
/* left */
while (RT_C_IS_SPACE(*psz))
psz++;
/* right */
char *pszEnd = strchr(psz, '\0');
while (--pszEnd > psz && RT_C_IS_SPACE(*pszEnd))
*pszEnd = '\0';
return psz;
}
RT_EXPORT_SYMBOL(RTStrStrip);
/**
* Strips blankspaces from the start of the string.
*
* @returns Pointer to first non-blank char in the string.
* @param psz The string to strip.
*/
RTDECL(char *) RTStrStripL(const char *psz)
{
/* left */
while (RT_C_IS_SPACE(*psz))
psz++;
return (char *)psz;
}
RT_EXPORT_SYMBOL(RTStrStripL);
/**
* Strips blankspaces from the end of the string.
*
* @returns psz.
* @param psz The string to strip.
*/
RTDECL(char *) RTStrStripR(char *psz)
{
/* right */
char *pszEnd = strchr(psz, '\0');
while (--pszEnd > psz && RT_C_IS_SPACE(*pszEnd))
*pszEnd = '\0';
return psz;
}
RT_EXPORT_SYMBOL(RTStrStripR);