2 * Copyright (C) 2010 Dan Carpenter.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
20 static void db_returns_buf_size(struct expression
*expr
, int param
, char *unused
, char *math
)
22 struct expression
*call
;
23 struct symbol
*left_type
, *right_type
;
27 if (expr
->type
!= EXPR_ASSIGNMENT
)
29 right_type
= get_pointer_type(expr
->right
);
30 if (!right_type
|| type_bits(right_type
) != -1)
33 call
= strip_expr(expr
->right
);
34 left_type
= get_pointer_type(expr
->left
);
36 if (!parse_call_math(call
, math
, &sval
) || sval
.value
== 0)
40 bytes
= type_bytes(left_type
);
43 if (sval
.uvalue
>= bytes
)
45 sm_msg("error: not allocating enough data %d vs %s", bytes
, sval_to_str(sval
));
48 void check_allocating_enough_data(int id
)
50 select_return_states_hook(BUF_SIZE
, &db_returns_buf_size
);