| #!/bin/bash |
| # Copyright (c) 2021, Google Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # |
| # * Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in |
| # the documentation and/or other materials provided with the |
| # distribution. |
| # |
| # * Neither the name of Google nor the names of its contributors may |
| # be used to endorse or promote products derived from this software |
| # without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| set -xe |
| |
| LIBWEBP_ROOT="$(realpath "$(dirname "$0")/..")" |
| readonly LIBWEBP_ROOT |
| readonly WORKSPACE=${WORKSPACE:-"$(mktemp -d -t webp.scanbuild.XXX)"} |
| |
| # shellcheck source=infra/common.sh |
| source "${LIBWEBP_ROOT}/infra/common.sh" |
| |
| usage() { |
| cat << EOF |
| Usage: $(basename "$0") MODE |
| Options: |
| MODE supported scan modes: (shallow|deep) |
| Environment variables: |
| WORKSPACE directory where the build is done. |
| EOF |
| } |
| |
| ####################################### |
| # Wrap clang-tools scan-build. |
| # Globals: |
| # OUTPUT_DIR target directory where scan-build report is generated. |
| # MODE scan-build mode |
| # Arguments: |
| # $* scan-build additional args. |
| # Returns: |
| # scan-build retcode |
| ####################################### |
| scan_build() { |
| scan-build -o "${OUTPUT_DIR}" --use-analyzer="$(command -v clang)" \ |
| -analyzer-config mode="${MODE}" "$*" |
| } |
| |
| MODE=${1:?"MODE is not specified.$( |
| echo |
| usage |
| )"} |
| |
| readonly OUTPUT_DIR="${WORKSPACE}/output-${MODE}" |
| readonly BUILD_DIR="${WORKSPACE}/build" |
| |
| make_build_dir "${OUTPUT_DIR}" |
| make_build_dir "${BUILD_DIR}" |
| |
| cd "${LIBWEBP_ROOT}" |
| ./autogen.sh |
| |
| cd "${BUILD_DIR}" |
| grep -m 1 -q 'enable-asserts' "${LIBWEBP_ROOT}/configure.ac" \ |
| && args='--enable-asserts' |
| scan_build "${LIBWEBP_ROOT}/configure" --enable-everything "${args}" |
| scan_build make -j4 |
| |
| index="$(find "${OUTPUT_DIR}" -name index.html)" |
| if [[ -f "${index}" ]]; then |
| mv "$(dirname "${index}")/"* "${OUTPUT_DIR}" |
| else |
| # make a empty report to wipe out any old bug reports. |
| cat << EOT > "${OUTPUT_DIR}/index.html" |
| <html> |
| <body> |
| No bugs reported. |
| </body> |
| </html> |
| EOT |
| fi |
