/* based on http://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer/standalone/StandaloneFuzzTargetMain.c r311407 (22 Aug 2017) */

/* http://llvm.org/svn/llvm-project/compiler-rt/trunk/LICENSE.TXT follows */

/*
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to be used under both.

Full text of the relevant licenses is included below.

==============================================================================

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    University of Illinois at Urbana-Champaign

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==============================================================================

Copyright (c) 2009-2015 by the contributors listed in CREDITS.TXT

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
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*/

/*===- StandaloneFuzzTargetMain.c - standalone main() for fuzz targets. ---===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// This main() function can be linked to a fuzz target (i.e. a library
// that exports LLVMFuzzerTestOneInput() and possibly LLVMFuzzerInitialize())
// instead of libFuzzer. This main() function will not perform any fuzzing
// but will simply feed all input files one by one to the fuzz target.
//
// Use this file to provide reproducers for bugs when linking against libFuzzer
// or other fuzzing engine is undesirable.
//===----------------------------------------------------------------------===*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>

#include <glib.h>
#include <wsutil/file_util.h>

#include "FuzzerInterface.h"

int main(int argc, char **argv) {
  fprintf(stderr, "StandaloneFuzzTargetMain: running %d inputs\n", argc - 1);
  LLVMFuzzerInitialize(&argc, &argv);
  for (int i = 1; i < argc; i++) {
    fprintf(stderr, "Running: %s\n", argv[i]);
    FILE *f = ws_fopen(argv[i], "r");
    assert(f);
    fseek(f, 0, SEEK_END);
    long len = ftell(f);
    assert(len >= 0);
    fseek(f, 0, SEEK_SET);
    unsigned char *buf = (unsigned char*)g_malloc((size_t)len);
    size_t n_read = fread(buf, 1, len, f);
    assert(n_read == (size_t)len);
    fclose(f);
    LLVMFuzzerTestOneInput(buf, len);
    g_free(buf);
    fprintf(stderr, "Done:    %s: (%zd bytes)\n", argv[i], n_read);
  }
}
