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Annotation of GNUtools/libg++/libiberty/spaces.c, revision 1.1

1.1     ! root        1: /* Allocate memory region filled with spaces.
        !             2:    Copyright (C) 1991 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of the libiberty library.
        !             5: Libiberty is free software; you can redistribute it and/or
        !             6: modify it under the terms of the GNU Library General Public
        !             7: License as published by the Free Software Foundation; either
        !             8: version 2 of the License, or (at your option) any later version.
        !             9: 
        !            10: Libiberty is distributed in the hope that it will be useful,
        !            11: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            13: Library General Public License for more details.
        !            14: 
        !            15: You should have received a copy of the GNU Library General Public
        !            16: License along with libiberty; see the file COPYING.LIB.  If
        !            17: not, write to the Free Software Foundation, Inc., 675 Mass Ave,
        !            18: Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: /*
        !            21: 
        !            22: NAME
        !            23: 
        !            24:        spaces -- return a pointer to a buffer full of spaces
        !            25: 
        !            26: SYNOPSIS
        !            27: 
        !            28:        char *spaces (int count)
        !            29: 
        !            30: DESCRIPTION
        !            31: 
        !            32:        Returns a pointer to a memory region filled with the specified
        !            33:        number of spaces and null terminated.  The returned pointer is
        !            34:        valid until at least the next call.
        !            35:        
        !            36: BUGS
        !            37: 
        !            38: */
        !            39: 
        !            40: 
        !            41: char *
        !            42: spaces (count)
        !            43:   int count;
        !            44: {
        !            45:   register char *t;
        !            46:   static char *buf;
        !            47:   static int maxsize;
        !            48:   extern char *malloc ();
        !            49:   extern void free ();
        !            50: 
        !            51:   if (count > maxsize)
        !            52:     {
        !            53:       if (buf)
        !            54:        {
        !            55:          free (buf);
        !            56:        }
        !            57:       buf = malloc (count + 1);
        !            58:       for (t = buf + count ; t != buf ; )
        !            59:        {
        !            60:          *--t = ' ';
        !            61:        }
        !            62:       maxsize = count;
        !            63:       buf[count] = '\0';
        !            64:     }
        !            65:   return (buf + maxsize - count);
        !            66: }
        !            67: 

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