add IPL

IPL/Customer/Mobis/V4H_Cx_Loader/common/string.c

@@ -0,0 +1,84 @@
+/*******************************************************************************
+* DISCLAIMER
+* This software is supplied by Renesas Electronics Corporation and is only
+* intended for use with Renesas products. No other uses are authorized. This
+* software is owned by Renesas Electronics Corporation and is protected under
+* all applicable laws, including copyright laws.
+* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
+* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
+* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
+* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
+* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
+* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
+* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
+* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+* Renesas reserves the right, without notice, to make changes to this software
+* and to discontinue the availability of this software. By using this software,
+* you agree to the additional terms and conditions found by accessing the
+* following link:
+* http://www.renesas.com/disclaimer
+* Copyright 2023 Renesas Electronics Corporation All rights reserved.
+*******************************************************************************/
+
+/*******************************************************************************
+ * DESCRIPTION   : Standard library
+ ******************************************************************************/
+/******************************************************************************
+ * @file          string.c
+ * - Version      : 0.01
+ * @brief         standard library.
+ * .
+ *****************************************************************************/
+/******************************************************************************
+ * History : DD.MM.YYYY Version  Description
+ *         : 04.04.2023 0.01     First Release
+ *****************************************************************************/
+
+#include <stdint.h>
+#include <stddef.h>
+#include <string.h>
+
+void *memcpy(void *dst, const void *src, size_t len)
+{
+    uint8_t *p1 = (uint8_t *)dst;
+    const uint8_t *p2 = (const uint8_t *)src;
+    while(len > 0U)
+    {
+        *(p1++) = *(p2++);
+        len--;
+    }
+    return dst;
+}
+/* End of function memcpy( void* dst, const void* src, size_t n ) */
+
+void *memset(void *dst, int val, size_t len)
+{
+    uint8_t *p = (uint8_t *)dst;
+    const uint8_t uc = (uint8_t)val;
+
+    while (len > 0U)
+    {
+        *p++ = uc;
+        len--;
+    }
+    return (dst);
+}
+/* End of function memset(void *dst, int val, size_t len) */
+
+/**
+ * memcmp - Compare two areas of memory
+ * @cs: One area of memory
+ * @ct: Another area of memory
+ * @count: The size of the area.
+ */
+int memcmp(const void * cs, const void * ct, size_t count)
+{
+	const unsigned char *su1, *su2;
+	int res = 0;
+
+	for( su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
+		if ((res = *su1 - *su2) != 0)
+			break;
+	return res;
+}