database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

Trimmed fix for bug #9546 (Crashing with huge decimals)

Browse Source
This commit is contained in:
holyfoot@hf-ibm.(none)
2005-05-06 19:04:58 +05:00
parent 82f4a0b021
commit 5aa0edf34c
4 changed files with 27 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
strings/decimal.c
View File

@ -1612,13 +1612,19 @@ static int do_add(decimal_t *from1, decimal_t *from2, decimal_t *to)
x=intg1 > intg2 ? from1->buf[0] :
intg2 > intg1 ? from2->buf[0] :
from1->buf[0] + from2->buf[0] ;
if (unlikely(x > DIG_MASK*9)) /* yes, there is */
if (unlikely(x > DIG_MAX-1)) /* yes, there is */
{
intg0++;
to->buf[0]=0; /* safety */
}
FIX_INTG_FRAC_ERROR(to->len, intg0, frac0, error);
if (unlikely(error == E_DEC_OVERFLOW))
{
max_decimal(to->len * DIG_PER_DEC1, 0, to);
return error;
}
buf0=to->buf+intg0+frac0;
to->sign=from1->sign;