1 /*
2 * Copyright (C) 1993 Free Software Foundation, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
7 * any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, you can either send email to this
16 * program's author (see below) or write to: The Free Software Foundation,
17 * Inc.; 59 Temple Place - Suite 330. Boston, MA 02111-1307, USA.
18 */
19
20 #if !defined (HAVE_MEMSET) && !defined (HAVE_BZERO)
21
22 void
bzero(b,length)23 bzero (b, length)
24 register char *b;
25 register int length;
26 {
27 #ifdef VMS /* but this is definitely VMS-specific */
28 short zero = 0;
29 long max_str = 65535;
30
31 while (length > max_str)
32 {
33 (void) LIB$MOVC5 (&zero, &zero, &zero, &max_str, b);
34 length -= max_str;
35 b += max_str;
36 }
37 (void) LIB$MOVC5 (&zero, &zero, &zero, &length, b);
38 #else
39 while (length-- > 0)
40 *b++ = 0;
41 #endif /* not VMS */
42 }
43
44 #endif /* not HAVE_MEMSET && not HAVE_BZERO */
45