1 files changed, 73 insertions, 0 deletions
diff --git a/lib/libc/arch/ns32k/string/bzero.c b/lib/libc/arch/ns32k/string/bzero.c
new file mode 100644
index 00000000000..7e0c16cc87e
--- /dev/null
+++ b/lib/libc/arch/ns32k/string/bzero.c
@@ -0,0 +1,73 @@
+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ *	$Id: bzero.c,v 1.1.1.1 1995/10/18 08:41:38 deraadt Exp $ 
+ */
+/*
+ *	Object:
+ *		bzero				EXPORTED function
+ *
+ *		Clear memory locations
+ *
+ *	Optimize for aligned memory ops, if possible and simple.
+ *	Might need later recoding in assembly for better efficiency.
+ */
+void
+bzero(addr, bcount)
+	register unsigned addr;
+	register unsigned bcount;
+{
+	register int    i;
+
+	if (bcount == 0)	/* sanity */
+		return;
+	switch (addr & 3) {
+	    case 1:
+		*((char *) addr++) = 0;
+		if (--bcount == 0)
+			return;
+	    case 2:
+		*((char *) addr++) = 0;
+		if (--bcount == 0)
+			return;
+	    case 3:
+		*((char *) addr++) = 0;
+		if (--bcount == 0)
+			return;
+	    default:
+		break;
+	}
+
+	for (i = bcount >> 2; i; i--, addr += 4)
+		*((int *) addr) = 0;
+
+	switch (bcount & 3) {
+	    case 3: *((char*)addr++) = 0;
+	    case 2: *((char*)addr++) = 0;
+	    case 1: *((char*)addr++) = 0;
+	    default:break;
+	}
+}