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/*************************************************************************
* bstring/util.c
*
* Matt Shelton <matt@mattshelton.com>
*
* This file contains utility functions to the Better String Library.
*
* Copyright (C) 2004 Matt Shelton <matt@mattshelton.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: util.c,v 1.2 2005/11/02 23:56:12 jfs Exp $
*
**************************************************************************/
#include "util.h"
/* ----------------------------------------------------------
* FUNCTION : bltrim
* DESCRIPTION : This function will trim the whitespace from
* : the left side of a string.
* INPUT : 0 - String
* ---------------------------------------------------------- */
int bltrim (bstring string)
{
int i;
int len = 0;
/* Find Whitespace */
for (i = 0; i < string->slen; i++) {
if (string->data[i] == ' ' || string->data[i] == '\t')
len++;
else
break;
}
/* Remove Whitespace */
if (len > 0)
bdelete(string, 0, len);
return 0;
}
/* ----------------------------------------------------------
* FUNCTION : brtrim
* DESCRIPTION : This function will trim the whitespace from
* : the right side of a string.
* INPUT : 0 - String
* ---------------------------------------------------------- */
int brtrim (bstring string)
{
int i;
int len = 0;
/* Find Whitespace */
for (i = (string->slen - 1); i > 0; i--) {
if (string->data[i] == ' ' || string->data[i] == '\t')
len++;
else
break;
}
/* Remove Whitespace */
if (len > 0)
bdelete(string, i + 1, len);
return 0;
}
/* ----------------------------------------------------------
* FUNCTION : btrim
* DESCRIPTION : This function will trim the whitespace from
* : both sides of a bstring.
* INPUT : 0 - String
* ---------------------------------------------------------- */
int btrim (bstring string)
{
if ((bltrim(string)) != 0)
return -1;
if ((brtrim(string)) != 0)
return -1;
return 0;
}
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