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Fixed a very rarge memory overrun bug in the myisamlog program.

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Sinisa@sinisa.nasamreza.org 2003-08-26 22:02:58 +03:00
parent fea30410ed
commit ff6bc0965b
1 changed files with 9 additions and 1 deletions
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10
myisam/myisamlog.c
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@ -413,8 +413,16 @@ static int examine_log(my_string file_name, char **table_names)
VOID(tree_walk(&tree,(tree_walk_action) test_if_open,(void*) &open_param,
left_root_right));
file_info.id=open_param.max_id+1;
/*
* In the line below +10 is added to accomodate '<' and '>' chars
* plus '\0' at the end, so that there is place for 7 digits.
* It is improbable that same table can have that many entries in
* the table cache.
* The additional space is needed for the sprintf commands two lines
* below.
*/
file_info.show_name=my_memdup(isam_file_name,
(uint) strlen(isam_file_name)+6,
(uint) strlen(isam_file_name)+10,
MYF(MY_WME));
if (file_info.id > 1)
sprintf(strend(file_info.show_name),"<%d>",file_info.id);