1 files changed, 40 insertions, 0 deletions
diff --git a/src/pdclib/functions/string/memcpy.c b/src/pdclib/functions/string/memcpy.c
new file mode 100644
index 0000000..21ef10e
--- /dev/null
+++ b/src/pdclib/functions/string/memcpy.c
@@ -0,0 +1,40 @@
+/* memcpy( void *, const void *, size_t )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <string.h>
+
+#ifndef REGTEST
+
+void * memcpy( void * _PDCLIB_restrict s1, const void * _PDCLIB_restrict s2, size_t n )
+{
+    char * dest = (char *) s1;
+    const char * src = (const char *) s2;
+    while ( n-- )
+    {
+        *dest++ = *src++;
+    }
+    return s1;
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    char s[] = "xxxxxxxxxxx";
+    TESTCASE( memcpy( s, abcde, 6 ) == s );
+    TESTCASE( s[4] == 'e' );
+    TESTCASE( s[5] == '\0' );
+    TESTCASE( memcpy( s + 5, abcde, 5 ) == s + 5 );
+    TESTCASE( s[9] == 'e' );
+    TESTCASE( s[10] == 'x' );
+    return TEST_RESULTS;
+}
+
+#endif