fa41bcc2c2
There were 2 competing set of debug functions within zstd_internal.h and bitstream.h. They were mostly duplicate, and required care to avoid messing with each other. There is now a single implementation, shared by both. Significant change : The macro variable ZSTD_DEBUG does no longer exist, it has been replaced by DEBUGLEVEL, which required modifying several source files.
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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*/
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/**
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* Fuzz target interface.
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* Fuzz targets have some common parameters passed as macros during compilation.
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* Check the documentation for each individual fuzzer for more parameters.
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*
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* @param STATEFUL_FUZZING:
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* Define this to reuse state between fuzzer runs. This can be useful to
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* test code paths which are only executed when contexts are reused.
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* WARNING: Makes reproducing crashes much harder.
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* Default: Not defined.
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* @param FUZZ_RNG_SEED_SIZE:
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* The number of bytes of the source to look at when constructing a seed
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* for the deterministic RNG. These bytes are discarded before passing
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* the data to zstd functions. Every fuzzer initializes the RNG exactly
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* once before doing anything else, even if it is unused.
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* Default: 4.
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* @param DEBUGLEVEL:
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* This is a parameter for the zstd library. Defining `DEBUGLEVEL=1`
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* enables assert() statements in the zstd library. Higher levels enable
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* logging, so aren't recommended. Defining `DEBUGLEVEL=1` is
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* recommended.
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* @param MEM_FORCE_MEMORY_ACCESS:
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* This flag controls how the zstd library accesses unaligned memory.
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* It can be undefined, or 0 through 2. If it is undefined, it selects
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* the method to use based on the compiler. If testing with UBSAN set
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* MEM_FORCE_MEMORY_ACCESS=0 to use the standard compliant method.
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* @param FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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* This is the canonical flag to enable deterministic builds for fuzzing.
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* Changes to zstd for fuzzing are gated behind this define.
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* It is recommended to define this when building zstd for fuzzing.
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*/
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#ifndef FUZZ_H
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#define FUZZ_H
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#ifndef FUZZ_RNG_SEED_SIZE
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# define FUZZ_RNG_SEED_SIZE 4
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size);
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#ifdef __cplusplus
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}
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#endif
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#endif
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