mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-19 01:49:09 +08:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
|
|
* Copyright (C) 1993 Free Software Foundation, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, you can either send email to this
|
|
* program's author (see below) or write to: The Free Software Foundation,
|
|
* Inc.; 59 Temple Place - Suite 330. Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#if !defined (HAVE_MEMSET) && !defined (HAVE_BZERO)
|
|
|
|
void
|
|
bzero (b, length)
|
|
register char *b;
|
|
register int length;
|
|
{
|
|
#ifdef VMS /* but this is definitely VMS-specific */
|
|
short zero = 0;
|
|
long max_str = 65535;
|
|
|
|
while (length > max_str)
|
|
{
|
|
(void) LIB$MOVC5 (&zero, &zero, &zero, &max_str, b);
|
|
length -= max_str;
|
|
b += max_str;
|
|
}
|
|
(void) LIB$MOVC5 (&zero, &zero, &zero, &length, b);
|
|
#else
|
|
while (length-- > 0)
|
|
*b++ = 0;
|
|
#endif /* not VMS */
|
|
}
|
|
|
|
#endif /* not HAVE_MEMSET && not HAVE_BZERO */
|