kc3-lang/libpng/contrib/oss-fuzz/build.sh

Branch - branch -libpng16libpng17

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• Hash : 529e69e7
  Author :
  Date : 2024-09-19T21:37:52
  

  Revert "oss-fuzz: Update the README file, the Docker file and the build script"
  
  This reverts commit 3117b5f94a06aaf52a7365074e8199909680e52e.
  
  A regression was introduced. (Oopsie!)
  
  Signed-off-by: Cosmin Truta <ctruta@gmail.com>
  

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• contrib/oss-fuzz/build.sh

• #!/bin/bash -eu
  
  # Copyright 2017-2018 Glenn Randers-Pehrson
  # Copyright 2016 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.
  #
  # Revisions by Glenn Randers-Pehrson, 2017:
  # 1. Build only the library, not the tools (changed "make -j$(nproc) all" to
  #     "make -j$(nproc) libpng16.la").
  # 2. Disabled WARNING and WRITE options in pnglibconf.dfa.
  # 3. Build zlib alongside libpng
  ################################################################################
  
  # Disable logging via library build configuration control.
  cat scripts/pnglibconf.dfa | \
    sed -e "s/option STDIO/option STDIO disabled/" \
        -e "s/option WARNING /option WARNING disabled/" \
        -e "s/option WRITE enables WRITE_INT_FUNCTIONS/option WRITE disabled/" \
  > scripts/pnglibconf.dfa.temp
  mv scripts/pnglibconf.dfa.temp scripts/pnglibconf.dfa
  
  # build the libpng library.
  autoreconf -f -i
  ./configure --with-libpng-prefix=OSS_FUZZ_
  make -j$(nproc) clean
  make -j$(nproc) libpng16.la
  
  # build libpng_read_fuzzer.
  $CXX $CXXFLAGS -std=c++11 -I. \
       $SRC/libpng/contrib/oss-fuzz/libpng_read_fuzzer.cc \
       -o $OUT/libpng_read_fuzzer \
       -lFuzzingEngine .libs/libpng16.a -lz
  
  # add seed corpus.
  find $SRC/libpng -name "*.png" | grep -v crashers | \
       xargs zip $OUT/libpng_read_fuzzer_seed_corpus.zip
  
  cp $SRC/libpng/contrib/oss-fuzz/*.dict \
       $SRC/libpng/contrib/oss-fuzz/*.options $OUT/
  

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