mariadb/mysys/mf_stripp.c

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library 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
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
   MA 02111-1307, USA */

/* T|mmer en str{ng p{ slut_space */

#include "mysys_priv.h"

/*
	stripp_sp(my_string str)
	Strips end-space from string and returns new length.
*/

size_s stripp_sp(register my_string str)
{
  reg2 my_string found;
  reg3 my_string start;

  start=found=str;

  while (*str)
  {
    if (*str != ' ')
    {
      while (*++str && *str != ' ') {};
      if (!*str)
	return (size_s) (str-start);	/* Return stringlength */
    }
    found=str;
    while (*++str == ' ') {};
  }
  *found= '\0';				/* Stripp at first space */
  return (size_s) (found-start);
} /* stripp_sp */