Added fuzzer for c-blosc2 (#3989)

projects/c-blosc2/Dockerfile

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+# Copyright 2019 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+MAINTAINER blosc.oss.fuzz@gmail.com
+RUN apt-get update && apt-get install -y make autoconf automake libtool cmake
+RUN git clone --depth 1 https://github.com/Blosc/c-blosc2.git c-blosc2
+WORKDIR c-blosc2
+COPY build.sh $SRC/

projects/c-blosc2/build.sh

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+#!/bin/bash -eu
+# Copyright 2019 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# Build project
+cmake . -DCMAKE_C_FLAGS="$CFLAGS" -DCMAKE_CXX_FLAGS="$CXXFLAGS" -DBUILD_FUZZERS=ON
+make clean
+make -j$(nproc)
+
+# Package seed corpus
+zip -j $OUT/decompress_fuzzer_seed_corpus.zip compat/*.cdata
+
+# Copy the fuzzer executables, zip-ed corpora, and dictionary files to $OUT
+find . -name '*_fuzzer' -exec cp -v '{}' $OUT ';'
+find . -name '*_fuzzer.dict' -exec cp -v '{}' $OUT ';'
+find . -name '*_fuzzer_seed_corpus.zip' -exec cp -v '{}' $OUT ';'

projects/c-blosc2/project.yaml

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+homepage: "https://github.com/Blosc/c-blosc2"
+language: c++
+primary_contact: "blosc.oss.fuzz@gmail.com"
+auto_ccs:
+  - "nathan.moinvaziri@gmail.com"
+sanitizers:
+  - address
+  - memory
+  - undefined
+architectures:
+  - x86_64
+  - i386