summaryrefslogtreecommitdiff
path: root/strings/bchange.c
diff options
context:
space:
mode:
Diffstat (limited to 'strings/bchange.c')
-rw-r--r--strings/bchange.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/strings/bchange.c b/strings/bchange.c
new file mode 100644
index 00000000000..99066cf1e95
--- /dev/null
+++ b/strings/bchange.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA */
+
+/* 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);
+}