diff options
Diffstat (limited to 'sql/unireg.cc')
| -rw-r--r-- | sql/unireg.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sql/unireg.cc b/sql/unireg.cc index 9e6c77d7b62..b581ad4655a 100644 --- a/sql/unireg.cc +++ b/sql/unireg.cc @@ -165,6 +165,14 @@ bool mysql_create_frm(THD *thd, my_string file_name, strmake((char*) forminfo+47, create_info->comment.str ? create_info->comment.str : "", create_info->comment.length); forminfo[46]=(uchar) create_info->comment.length; +#ifdef EXTRA_DEBUG + /* + EXTRA_DEBUG causes strmake() to initialize its buffer behind the + payload with a magic value to detect wrong buffer-sizes. We + explicitly zero that segment again. + */ + memset((char*) forminfo+47 + forminfo[46], 0, 61 - forminfo[46]); +#endif if (my_pwrite(file,(byte*) fileinfo,64,0L,MYF_RW) || my_pwrite(file,(byte*) keybuff,key_info_length, (ulong) uint2korr(fileinfo+6),MYF_RW)) |