summaryrefslogtreecommitdiffstats
path: root/src/lib/kStuff/kHlp/Generic/kHlpMemCopy.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/kStuff/kHlp/Generic/kHlpMemCopy.c')
-rw-r--r--src/lib/kStuff/kHlp/Generic/kHlpMemCopy.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/lib/kStuff/kHlp/Generic/kHlpMemCopy.c b/src/lib/kStuff/kHlp/Generic/kHlpMemCopy.c
new file mode 100644
index 0000000..8674674
--- /dev/null
+++ b/src/lib/kStuff/kHlp/Generic/kHlpMemCopy.c
@@ -0,0 +1,69 @@
+/* $Id: kHlpMemCopy.c 29 2009-07-01 20:30:29Z bird $ */
+/** @file
+ * kHlpString - kHlpMemCopy.
+ */
+
+/*
+ * Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net>
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*******************************************************************************
+* Header Files *
+*******************************************************************************/
+#include <k/kHlpString.h>
+
+
+KHLP_DECL(void *) kHlpMemCopy(void *pv1, const void *pv2, KSIZE cb)
+{
+ union
+ {
+ void *pv;
+ KU8 *pb;
+ KUPTR *pu;
+ } u1;
+ union
+ {
+ const void *pv;
+ const KU8 *pb;
+ const KUPTR *pu;
+ } u2;
+
+ u1.pv = pv1;
+ u2.pv = pv2;
+
+ if (cb >= 32)
+ {
+ while (cb > sizeof(KUPTR))
+ {
+ cb -= sizeof(KUPTR);
+ *u1.pu++ = *u2.pu++;
+ }
+ }
+
+ while (cb-- > 0)
+ *u1.pb++ = *u2.pb++;
+
+ return pv1;
+}
+