summaryrefslogtreecommitdiff
path: root/fuzz/fuzzer.h
blob: fec4478afe108eae6194be87e8a7b9d1689ddcc2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/*
 * Copyright (c) 2017-2020 Free Software Foundation, Inc.
 *
 * This file is part of GNU Wget.
 *
 * GNU Wget is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * GNU Wget is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Wget.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <stddef.h> // size_t
#include <stdint.h> // uint8_t

#define CLOSE_STDERR \
	int bak = dup(STDERR_FILENO); \
	int fd = open("/dev/null", O_WRONLY); \
	dup2(fd, STDERR_FILENO); \
	close(fd);

#define RESTORE_STDERR \
	dup2(bak, STDERR_FILENO); \
	close(bak);

#ifdef __cplusplus
extern "C"
#endif
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);