Commit f40725af authored by unknown's avatar unknown
Browse files

Bug#12547: Inserting long string into varchar causes table crash in cp932 

ctype-cp932.c:
  Decrement for "pos" variable disappered somehow.
  Restoring it back.
ctype_cp932.test: ctype_cp932.result:
  Adding test case.


strings/ctype-cp932.c:
  Bug#12547: Inserting long string into varchar causes table crash in cp932
  Decrement for "pos" variable disappered somehow.
  Restoring it back.
mysql-test/t/ctype_cp932.test:
  Adding test case.
mysql-test/r/ctype_cp932.result:
  Adding test case
parent 62d62278

mysql-test/r/ctype_cp932.result

+17 −0
Original line number Diff line number Diff line
@@ -11349,3 +11349,20 @@ cp932_bin 6109 
cp932_bin	61

cp932_bin	6120

drop table t1;

create table t1 (col1 varchar(1)) character set cp932;

insert into t1 values ('a');

insert into t1 values ('ab');

Warnings:

Warning	1265	Data truncated for column 'col1' at row 1

select * from t1;

col1

a

a

insert into t1 values ('abc');

Warnings:

Warning	1265	Data truncated for column 'col1' at row 1

select * from t1;

col1

a

a

a

mysql-test/t/ctype_cp932.test

+10 −0
Original line number Diff line number Diff line
@@ -424,3 +424,13 @@ SET collation_connection='cp932_japanese_ci'; 
-- source include/ctype_filesort.inc

SET collation_connection='cp932_bin';

-- source include/ctype_filesort.inc



#

# Bug#12547: Inserting long string into varchar causes table crash in cp932

#

create table t1 (col1 varchar(1)) character set cp932;

insert into t1 values ('a');

insert into t1 values ('ab');

select * from t1;

insert into t1 values ('abc');

select * from t1;

strings/ctype-cp932.c

+1 −1
Original line number Diff line number Diff line
@@ -5417,7 +5417,7 @@ uint my_well_formed_len_cp932(CHARSET_INFO *cs __attribute__((unused)), 
{

  const char *b0= b;

  *error= 0;

  while (pos && b < e)

  while (pos-- && b < e)

  {

    /*

      Cast to int8 for extra safety.