1 files changed, 50 insertions, 0 deletions
diff --git a/strings/bchange.c b/strings/bchange.c
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+++ b/strings/bchange.c
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+/* Copyright (c) 2000 TXT DataKonsult Ab & Monty Program Ab
+   Copyright (c) 2009-2011, Monty Program Ab
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+   1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   2. Redistributions in binary form must the following disclaimer in
+     the documentation and/or other materials provided with the
+     distribution.
+
+   THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY
+   EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+   USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+   OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+   SUCH DAMAGE.
+*/
+
+/*  File   : bchange.c
+    Author : Michael widenius
+    Updated: 1987-03-20
+    Defines: bchange()
+
+    bchange(dst, old_length, src, new_length, tot_length)
+    replaces old_length characters at dst to new_length characters from
+    src in a buffer with tot_length bytes.
+*/
+
+#include "strings_def.h"
+
+void bchange(register uchar *dst, size_t old_length, register const uchar *src,
+	     size_t new_length, size_t tot_length)
+{
+  size_t rest=tot_length-old_length;
+  if (old_length < new_length)
+    bmove_upp(dst+rest+new_length,dst+tot_length,rest);
+  else
+    bmove(dst+new_length,dst+old_length,rest);
+  memcpy(dst,src,new_length);
+}