1 files changed, 48 insertions, 0 deletions
diff --git a/strings/my_strchr.c b/strings/my_strchr.c
new file mode 100644
index 00000000000..3a5fbea906d
--- /dev/null
+++ b/strings/my_strchr.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2005 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/*
+  my_strchr(cs, str, end, c) returns a pointer to the first place in
+  str where c (1-byte character) occurs, or NULL if c does not occur
+  in str. This function is multi-byte safe.
+  TODO: should be moved to CHARSET_INFO if it's going to be called
+  frequently.
+*/
+
+#include <my_global.h>
+#include "m_string.h"
+#include "m_ctype.h"
+
+
+byte *my_strchr(CHARSET_INFO *cs, const char *str, const char *end,
+                       char c)
+{
+  uint mbl;
+  while (str < end)
+  {
+    mbl= my_mbcharlen(cs, *(uchar *)str);
+    if (mbl < 2)
+    {
+      if (*str == c)
+        return((char *)str);
+      str++;
+    }
+    else
+      str+= mbl;
+  }
+  return(0);
+}
+