bk commit into 4.1 tree (tnurnberg:1.2699) BUG#32707

[Tatjana A Nuernberg]

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ChangeSet@stripped, 2007-11-27 18:24:24+01:00, tnurnberg@stripped +1 -0
  Bug#32707: misdimensioned buffer in protocol layer
  
  Miscalculation in protocol-layer: size buffer correctly so
  even really long error messages cannot overflow our buffer.

  sql/protocol.cc@stripped, 2007-11-27 18:24:24+01:00, tnurnberg@stripped +4 -1
    size buffer correctly so really long error messages cannot overflow it.

diff -Nrup a/sql/protocol.cc b/sql/protocol.cc
--- a/sql/protocol.cc	2006-11-13 11:28:50 +01:00
+++ b/sql/protocol.cc	2007-11-27 18:24:24 +01:00
@@ -56,7 +56,10 @@ void send_error(THD *thd, uint sql_errno
 {
 #ifndef EMBEDDED_LIBRARY 
   uint length;
-  char buff[MYSQL_ERRMSG_SIZE+2], *pos;
+  /*
+    buff[]: sql_errno:2 + ('#':1 + SQLSTATE_LENGTH:5) + MYSQL_ERRMSG_SIZE:512
+  */
+  char buff[2+1+SQLSTATE_LENGTH+MYSQL_ERRMSG_SIZE], *pos;
 #endif
   const char *orig_err= err;
   NET *net= &thd->net;