1 files changed, 22 insertions, 0 deletions
diff --git a/memmove.c b/memmove.c
new file mode 100644
index 00000000..2ffab60c
--- /dev/null
+++ b/memmove.c
@@ -0,0 +1,22 @@
+/*
+ * Scratch implementation of memmove() in case your C library lacks one.
+ *
+ * For license terms, see the file COPYING in this directory.
+ */
+char *memmove(char *dst, register char *src, register int n)
+{
+    register char *svdst;
+
+    if ((dst > src) && (dst < src + n)) 
+    {
+        src += n;
+        for (svdst = dst + n; n-- > 0; )
+            *--svdst = *--src;
+    }
+    else
+    {
+        for (svdst = dst; n-- > 0; )
+            *svdst++ = *src++;
+    }
+    return dst;
+}