Changeset 45f7449 in mainline for boot/generic/src/memstr.c

Timestamp:

2013-03-31T19:46:19Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a5057cc

Parents:

582f4d28

Message:

Revert to the state of mainline,1783.

File:

• boot/generic/src/memstr.c (modified) (1 diff)

boot/generic/src/memstr.c

@@ -29 +29 @@
 #include <memstr.h>
 #include <typedefs.h>
+
+/** Move memory block without overlapping.
+ *
+ * Copy cnt bytes from src address to dst address. The source
+ * and destination memory areas cannot overlap.
+ *
+ * @param dst Destination address to copy to.
+ * @param src Source address to copy from.
+ * @param cnt Number of bytes to copy.
+ *
+ * @return Destination address.
+ *
+ */
+void *memcpy(void *dst, const void *src, size_t cnt)
+{
+        uint8_t *dp = (uint8_t *) dst;
+        const uint8_t *sp = (uint8_t *) src;
+        
+        while (cnt-- != 0)
+                *dp++ = *sp++;
+        
+        return dst;
+}
+
+/** Fill block of memory.
+ *
+ * Fill cnt bytes at dst address with the value val.
+ *
+ * @param dst Destination address to fill.
+ * @param val Value to fill.
+ * @param cnt Number of bytes to fill.
+ *
+ * @return Destination address.
+ *
+ */
+void *memset(void *dst, int val, size_t cnt)
+{
+        uint8_t *dp = (uint8_t *) dst;
+        
+        while (cnt-- != 0)
+                *dp++ = val;
+        
+        return dst;
+}
 
 /** Move memory block with possible overlapping.