text: /* Allocate memory region filled with spaces.
     Copyright (C) 1991-2017 Free Software Foundation, Inc.
  
  This file is part of the libiberty library.
  Libiberty 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.
  
  Libiberty 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 libiberty; see the file COPYING.LIB.  If
  not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  Boston, MA 02110-1301, USA.  */
  
  /*
  
  @deftypefn Extension char* spaces (int @var{count})
  
  Returns a pointer to a memory region filled with the specified
  number of spaces and null terminated.  The returned pointer is
  valid until at least the next call.
  
  @end deftypefn
  
  */
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  #include "ansidecl.h"
  #include "libiberty.h"
  
  #if VMS
  #include <stdlib.h>
  #include <unixlib.h>
  #else
  /* For systems with larger pointers than ints, these must be declared.  */
  extern PTR malloc (size_t);
  extern void free (PTR);
  #endif
  
  const char *
  spaces (int count)
  {
    register char *t;
    static char *buf;
    static int maxsize;
  
    if (count > maxsize)
      {
        free (buf);
        buf = (char *) malloc (count + 1);
        if (buf == (char *) 0)
  	return 0;
        for (t = buf + count ; t != buf ; )
  	{
  	  *--t = ' ';
  	}
        maxsize = count;
        buf[count] = '\0';
      }
    return (const char *) (buf + maxsize - count);
  }
  
  