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merge

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monty@mashka.mysql.fi
2003-01-04 15:40:55 +02:00
parent 7c82789929 6d6f051178
commit f9772317ee
100 changed files with 2666 additions and 852 deletions
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23
libmysql/libmysql.c
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@ -1269,7 +1269,7 @@ static MYSQL_DATA *read_rows(MYSQL *mysql,MYSQL_FIELD *mysql_fields,
else
{
cur->data[field] = to;
if (to+len > end_to)
if (len > (ulong) (end_to - to))
{
free_rows(result);
net->last_errno=CR_MALFORMED_PACKET;
@ -1315,7 +1315,7 @@ read_one_row(MYSQL *mysql,uint fields,MYSQL_ROW row, ulong *lengths)
{
uint field;
ulong pkt_len,len;
uchar *pos,*prev_pos;
uchar *pos,*prev_pos, *end_pos;
if ((pkt_len=net_safe_read(mysql)) == packet_error)
return -1;
@ -1327,6 +1327,7 @@ read_one_row(MYSQL *mysql,uint fields,MYSQL_ROW row, ulong *lengths)
}
prev_pos= 0; /* allowed to write at packet[-1] */
pos=mysql->net.read_pos;
end_pos=pos+pkt_len;
for (field=0 ; field < fields ; field++)
{
if ((len=(ulong) net_field_length(&pos)) == NULL_LENGTH)
@ -1336,6 +1337,12 @@ read_one_row(MYSQL *mysql,uint fields,MYSQL_ROW row, ulong *lengths)
}
else
{
if (len > (ulong) (end_pos - pos))
{
mysql->net.last_errno=CR_UNKNOWN_ERROR;
strmov(mysql->net.last_error,ER(mysql->net.last_errno));
return -1;
}
row[field] = (char*) pos;
pos+=len;
*lengths++=len;
@ -3508,18 +3515,6 @@ uint STDCALL mysql_thread_safe(void)
#endif
}
MYSQL_RES *STDCALL mysql_warnings(MYSQL *mysql)
{
uint warning_count;
DBUG_ENTER("mysql_warnings");
/* Save warning count as mysql_real_query may change this */
warning_count= mysql->warning_count;
if (mysql_real_query(mysql, "SHOW WARNINGS", 13))
DBUG_RETURN(0);
mysql->warning_count= warning_count;
DBUG_RETURN(mysql_store_result(mysql));
}
/****************************************************************************
Some support functions
****************************************************************************/