entered advanced internal development stage.

1 files changed, 57 insertions, 0 deletions

diff --git a/src/string/ntapi_tt_aligned_block_memset.c b/src/string/ntapi_tt_aligned_block_memset.c
new file mode 100644
index 0000000..8e64360
--- /dev/null
+++ b/src/string/ntapi_tt_aligned_block_memset.c
@@ -0,0 +1,57 @@
+/********************************************************/
+/*  ntapi: Native API core library                      */
+/*  Copyright (C) 2013,2014,2015  Z. Gilboa             */
+/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+
+void * __cdecl __ntapi_tt_aligned_block_memset(
+	__in	void *		block,
+	__in	uintptr_t	val,
+	__in	size_t		bytes)
+{
+	uintptr_t * ptr = (uintptr_t *)block;
+
+	for (bytes/=sizeof(uintptr_t); bytes; bytes--)
+		*ptr++=val;
+
+	return block;
+}
+
+void * __cdecl __ntapi_tt_generic_memset(
+	__in	void *		dst,
+	__in	uintptr_t	val,
+	__in	size_t		bytes)
+{
+	char	c;
+	char *	ch;
+	int	i;
+	size_t	abytes;
+
+	if (!bytes)
+		return dst;
+
+	else if (!(bytes % sizeof(size_t))
+			&& (!(uintptr_t)dst % sizeof(size_t)))
+		return __ntapi_tt_aligned_block_memset(
+			dst,val,bytes);
+
+	c = (char)val;
+	for (i=0; i<sizeof(size_t); i++, val <<= 8)
+		val += c;
+
+	for (ch=(char *)dst; (size_t)ch % sizeof(size_t); ch++, bytes--)
+		*ch = c;
+
+	abytes = bytes / sizeof(size_t) * sizeof(size_t);
+	__ntapi_tt_aligned_block_memset(ch,val,abytes);
+
+	bytes -= abytes;
+	ch += abytes;
+
+	for (; bytes; ch++, bytes--)
+		*ch = c;
+
+	return dst;
+}