fixed ngram size unset
@@ -1108,7 +1108,7 @@ int main(int argc, char **argv, char **envp) {
if (!*ptr) {
- if ((ptr = getenv("AFL_LLVM_NGRAM_SIZE")) != NULL)
+ if ((ptr = getenv("AFL_LLVM_NGRAM_SIZE")) == NULL)
FATAL(
"you must set the NGRAM size with (e.g. for value 2) "
"AFL_LLVM_INSTRUMENT=ngram-2");
