mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-12-14 22:43:39 +08:00
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
|
/* Allocate memory region filled with spaces.
|
||
|
|
Copyright (C) 1991 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., 59 Temple Place - Suite 330,
|
||
|
|
Boston, MA 02111-1307, USA. */
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
NAME
|
||
|
|
|
||
|
|
spaces -- return a pointer to a buffer full of spaces
|
||
|
|
|
||
|
|
SYNOPSIS
|
||
|
|
|
||
|
|
char *spaces (int count)
|
||
|
|
|
||
|
|
DESCRIPTION
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
BUGS
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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 PARAMS ((size_t));
|
||
|
|
extern void free PARAMS ((PTR));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
const char *
|
||
|
|
spaces (count)
|
||
|
|
int count;
|
||
|
|
{
|
||
|
|
register char *t;
|
||
|
|
static char *buf;
|
||
|
|
static int maxsize;
|
||
|
|
|
||
|
|
if (count > maxsize)
|
||
|
|
{
|
||
|
|
if (buf)
|
||
|
|
{
|
||
|
|
free (buf);
|
||
|
|
}
|
||
|
|
buf = 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);
|
||
|
|
}
|
||
|
|
|