initial checkout from wrc

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/memset.c b/lib/memset.c
new file mode 100644
index 0000000..a93815c
--- /dev/null
+++ b/lib/memset.c
@@ -0,0 +1,38 @@
+/**
+** @file	memset.c
+**
+** @author	Numerous CSCI-452 classes
+**
+** @brief	C implementations of common library functions
+*/
+
+#ifndef MEMSET_SRC_INC
+#define MEMSET_SRC_INC
+
+#include <common.h>
+
+#include <lib.h>
+
+/**
+** memset(buf,len,value)
+**
+** initialize all bytes of a block of memory to a specific value
+**
+** @param buf    The buffer to initialize
+** @param len    Buffer size (in bytes)
+** @param value  Initialization value
+*/
+void memset( void *buf, register uint32_t len, register uint32_t value ) {
+	register uint8_t *bp = buf;
+
+	/*
+	** We could speed this up by unrolling it and copying
+	** words at a time (instead of bytes).
+	*/
+
+	while( len-- ) {
+		*bp++ = value;
+	}
+}
+
+#endif