1 #include <stdint.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4
5 int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); /* required by C89 */
6
7 /* fuzz target entry point, works without libFuzzer */
8
main(int argc,char ** argv)9 int main(int argc, char **argv)
10 {
11 FILE *f;
12 char *buf = NULL;
13 long siz_buf;
14
15 if(argc < 2)
16 {
17 fprintf(stderr, "no input file\n");
18 goto err;
19 }
20
21 f = fopen(argv[1], "rb");
22 if(f == NULL)
23 {
24 fprintf(stderr, "error opening input file %s\n", argv[1]);
25 goto err;
26 }
27
28 fseek(f, 0, SEEK_END);
29
30 siz_buf = ftell(f);
31 rewind(f);
32
33 if(siz_buf < 1) goto err;
34
35 buf = (char*)malloc((size_t)siz_buf);
36 if(buf == NULL)
37 {
38 fprintf(stderr, "malloc() failed\n");
39 goto err;
40 }
41
42 if(fread(buf, (size_t)siz_buf, 1, f) != 1)
43 {
44 fprintf(stderr, "fread() failed\n");
45 goto err;
46 }
47
48 (void)LLVMFuzzerTestOneInput((uint8_t*)buf, (size_t)siz_buf);
49
50 err:
51 free(buf);
52
53 return 0;
54 }
55