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#include <Python.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string>
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#include "pyutil.h"
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extern "C" {
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static PyCodeObject *code;
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extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
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{
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contrib::initpy(*argv[0]);
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code = (PyCodeObject *)Py_CompileString(R"py(
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from parsers import fm1readmarkers
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def maybeint(s, default):
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try:
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return int(s)
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except ValueError:
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return default
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try:
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parts = data.split('\0', 2)
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if len(parts) == 3:
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offset, stop, data = parts
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elif len(parts) == 2:
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stop, data = parts
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offset = 0
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else:
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offset = stop = 0
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offset, stop = maybeint(offset, 0), maybeint(stop, len(data))
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fm1readmarkers(data, offset, stop)
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except Exception as e:
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pass
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# uncomment this print if you're editing this Python code
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# to debug failures.
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# print e
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)py",
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"fuzzer", Py_file_input);
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return 0;
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}
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int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
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{
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PyObject *text =
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PyBytes_FromStringAndSize((const char *)Data, (Py_ssize_t)Size);
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PyObject *locals = PyDict_New();
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PyDict_SetItemString(locals, "data", text);
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PyObject *res = PyEval_EvalCode(code, contrib::pyglobals(), locals);
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if (!res) {
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PyErr_Print();
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}
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Py_XDECREF(res);
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Py_DECREF(locals);
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Py_DECREF(text);
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return 0; // Non-zero return values are reserved for future use.
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}
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}
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