[newlib-cygwin] Implement bzero() via memset()

[newlib-cygwin] Implement bzero() via memset()

[Sebastian Huber]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d736941a5198d43269c57170a4cdb4e87efa3297

commit d736941a5198d43269c57170a4cdb4e87efa3297
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Tue Jul 4 14:25:28 2017 +0200

    Implement bzero() via memset()
    
    Use memset() to implement bzero() to profit from machine-specific
    memset() optimizations.
    
    Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

Diff:
---
 newlib/libc/string/bzero.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/newlib/libc/string/bzero.c b/newlib/libc/string/bzero.c
index dbcae02..e99529a 100644
--- a/newlib/libc/string/bzero.c
+++ b/newlib/libc/string/bzero.c
@@ -30,14 +30,11 @@ Neither ANSI C nor the System V Interface Definition (Issue 2) require
 <<bzero>> requires no supporting OS subroutines.
 */
 
-#include <strings.h>
+#include <string.h>
 
-_VOID
-_DEFUN (bzero, (b, length),
-	void *b _AND
-	size_t length)
+void
+bzero(void *b, size_t length)
 {
-  char *ptr = (char *)b;
-  while (length--)
-    *ptr++ = 0;
+
+	memset(b, 0, length);
 }