X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fmemmove.c;fp=functions%2Fstring%2Fmemmove.c;h=b46a15ac564df629543b63a785f90fb4d26cc666;hb=c2f1367984ba4153d892062759c3813020b65a9a;hp=0000000000000000000000000000000000000000;hpb=3220f577b186e04180acd7554a785c60dfb7ebb2;p=pdclib

diff --git a/functions/string/memmove.c b/functions/string/memmove.c
new file mode 100644
index 0000000..b46a15a
--- /dev/null
+++ b/functions/string/memmove.c
@@ -0,0 +1,34 @@
+/* $Id$ */
+
+/* Release $Name$ */
+
+/* memmove( 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>
+
+void * memmove( void * s1, const void * s2, size_t n )
+{
+    char * dest = (char *) s1;
+    const char * src = (const char *) s2;
+    if ( dest < src )
+    {
+        while ( n-- )
+        {
+            *dest++ = *src++;
+        }
+    }
+    else
+    {
+        src += n;
+        dest += n;
+        while ( n-- )
+        {
+            *dest-- = *src--;
+        }
+    }
+    return s1;
+}