- Add libmysql to the tree

1 files changed, 25 insertions, 0 deletions

diff --git a/ext/mysql/libmysql/bchange.c b/ext/mysql/libmysql/bchange.c
new file mode 100644
index 0000000000..6cd4c41457
--- /dev/null
+++ b/ext/mysql/libmysql/bchange.c
@@ -0,0 +1,25 @@
+/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
+   This file is public domain and comes with NO WARRANTY of any kind */
+
+/*  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 <global.h>
+#include "m_string.h"
+
+void bchange(register char *dst, uint old_length, register const char *src, uint new_length, uint tot_length)
+{
+  uint 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);
+}