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[PATCH 1/3] Implement bzero() via memset()
- From: Sebastian Huber <sebastian dot huber at embedded-brains dot de>
- To: newlib at sourceware dot org
- Date: Tue, 4 Jul 2017 15:34:33 +0200
- Subject: [PATCH 1/3] Implement bzero() via memset()
- Authentication-results: sourceware.org; auth=none
Use memset() to implement bzero() to profit from machine-specific
memset() optimizations.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
---
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 dbcae02d6..e99529af6 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);
}
--
2.12.3