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d6e70f43 | 1 | /* Test for integer/buffer overflow in strtod. |
688903eb | 2 | Copyright (C) 2012-2018 Free Software Foundation, Inc. |
d6e70f43 JM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <stdlib.h> | |
21 | #include <string.h> | |
22 | ||
23 | #define EXPONENT "e-2147483649" | |
24 | #define SIZE 214748364 | |
25 | ||
26 | static int | |
27 | do_test (void) | |
28 | { | |
29 | char *p = malloc (1 + SIZE + sizeof (EXPONENT)); | |
30 | if (p == NULL) | |
31 | { | |
32 | puts ("malloc failed, cannot test for overflow"); | |
33 | return 0; | |
34 | } | |
35 | p[0] = '1'; | |
36 | memset (p + 1, '0', SIZE); | |
37 | memcpy (p + 1 + SIZE, EXPONENT, sizeof (EXPONENT)); | |
38 | double d = strtod (p, NULL); | |
39 | if (d != 0) | |
40 | { | |
41 | printf ("strtod returned wrong value: %a\n", d); | |
42 | return 1; | |
43 | } | |
44 | return 0; | |
45 | } | |
46 | ||
47 | #define TEST_FUNCTION do_test () | |
225f410f | 48 | #define TIMEOUT 30 |
d6e70f43 | 49 | #include "../test-skeleton.c" |