oss-fuzz/libchewing/chewing_fuzzer.c

41 lines
889 B
C

#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <libgen.h>
static const uint8_t* fuzz_ptr;
static const uint8_t* fuzz_input;
static size_t fuzz_size;
int stress_main(int argc, char** argv);
int LLVMFuzzerInitialize(int* argc, char*** argv) {
char* exe_path = (*argv)[0];
char* dir = dirname(exe_path);
// Assume data files are at the same location as executable.
setenv("CHEWING_PATH", dir, 0);
setenv("CHEWING_USER_PATH", "/tmp", 0);
return 0;
}
int get_fuzz_input() {
if (fuzz_ptr - fuzz_input >= fuzz_size)
return EOF;
return *fuzz_ptr++;
}
int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
fuzz_input = fuzz_ptr = data;
fuzz_size = size;
const char *stress_argv[] = {
"./chewing_fuzzer",
"-extra",
"-loop", "1",
NULL,
};
stress_main(4, (char**)stress_argv);
return 0;
}