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/* strtrim.c (remove trailing spaces from string) */
/***********************************************************************
* This code is part of GLPK (GNU Linear Programming Kit).
*
* Copyright (C) 2000-2013 Andrew Makhorin, Department for Applied
* Informatics, Moscow Aviation Institute, Moscow, Russia. All rights
* reserved. E-mail: <mao@gnu.org>.
*
* GLPK 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 3 of the License, or
* (at your option) any later version.
*
* GLPK 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 GLPK. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************/
#include "misc.h"
#include "stdc.h"
/***********************************************************************
* NAME
*
* strtrim - remove trailing spaces from character string
*
* SYNOPSIS
*
* #include "misc.h"
* char *strtrim(char *str);
*
* DESCRIPTION
*
* The routine strtrim removes trailing spaces from the character
* string str.
*
* RETURNS
*
* The routine returns a pointer to the character string.
*
* EXAMPLES
*
* strtrim("Errare humanum est ") => "Errare humanum est"
*
* strtrim(" ") => "" */
char *strtrim(char *str)
{ char *t;
for (t = strrchr(str, '\0') - 1; t >= str; t--)
{ if (*t != ' ')
break;
*t = '\0';
}
return str;
}
/* eof */
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