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Annotation of GNUtools/debug/gdb/libiberty/spaces.c, revision 1.1.1.1

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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