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Sparse[1] is a semantic parser for C language, it can find out the potential problem of the example code. [1] https://www.kernel.org/doc/html/latest/dev-tools/sparse.html
66 lines
1.9 KiB
Bash
Executable File
66 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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function do_cppcheck()
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{
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local SOURCES=$(find $(git rev-parse --show-toplevel) | egrep "\.(cpp|cc|c|h)\$")
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local CPPCHECK=$(which cppcheck)
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if [ $? -ne 0 ]; then
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echo "[!] cppcheck not installed. Failed to run static analysis the source code." >&2
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exit 1
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fi
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## Suppression list ##
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# This list will explain the detail of suppressed warnings.
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# The prototype of the item should be like:
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# "- [{file}] {spec}: {reason}"
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#
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# - [hello-1.c] unusedFunction: False positive of init_module and cleanup_module.
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# - [*.c] missingIncludeSystem: Focus on the example code, not the kernel headers.
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local OPTS="
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--enable=warning,style,performance,information
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--suppress=unusedFunction:hello-1.c
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--suppress=missingIncludeSystem
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--std=c89 "
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$CPPCHECK $OPTS --xml ${SOURCES} 2> cppcheck.xml
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local ERROR_COUNT=$(cat cppcheck.xml | egrep -c "</error>" )
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if [ $ERROR_COUNT -gt 0 ]; then
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echo "Cppcheck failed: $ERROR_COUNT error(s)"
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cat cppcheck.xml
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exit 1
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fi
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}
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function do_sparse()
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{
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wget -q http://www.kernel.org/pub/software/devel/sparse/dist/sparse-latest.tar.gz
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if [ $? -ne 0 ]; then
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echo "Failed to download sparse."
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exit 1
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fi
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tar -xzf sparse-latest.tar.gz
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pushd sparse-*/
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make sparse || exit 1
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sudo make INST_PROGRAMS=sparse PREFIX=/usr install || exit 1
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popd
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make -C examples C=2 2> sparse.log
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local WARNING_COUNT=$(cat sparse.log | egrep -c " warning:" )
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local ERROR_COUNT=$(cat sparse.log | egrep -c " error:" )
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local COUNT=`expr $WARNING_COUNT + $ERROR_COUNT`
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if [ $COUNT -gt 0 ]; then
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echo "Sparse failed: $WARNING_COUNT warning(s), $ERROR_COUNT error(s)"
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cat sparse.log
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exit 1
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fi
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make -C examples clean
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}
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do_cppcheck
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do_sparse
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exit 0
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