tor/scripts/test/scan-build.sh

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#!/bin/sh
# Copyright 2014 The Tor Project, Inc
# See LICENSE for licensing information
#
# This script is used for running a bunch of clang scan-build checkers
# on Tor.
# These don't seem to cause false positives in our code, so let's turn
# them on.
CHECKERS="\
-enable-checker alpha.core.CallAndMessageUnInitRefArg \
-enable-checker alpha.core.CastToStruct \
-enable-checker alpha.core.Conversion \
-enable-checker alpha.core.FixedAddr \
-enable-checker alpha.core.IdenticalExpr \
-enable-checker alpha.core.PointerArithm \
-enable-checker alpha.core.SizeofPtr \
-enable-checker alpha.core.TestAfterDivZero \
-enable-checker alpha.security.MallocOverflow \
-enable-checker alpha.security.ReturnPtrRange \
-enable-checker alpha.unix.BlockInCriticalSection \
-enable-checker alpha.unix.Chroot \
-enable-checker alpha.unix.PthreadLock \
-enable-checker alpha.unix.PthreadLock \
-enable-checker alpha.unix.SimpleStream \
-enable-checker alpha.unix.Stream \
-enable-checker alpha.unix.cstring.BufferOverlap \
-enable-checker alpha.unix.cstring.NotNullTerminated \
-enable-checker valist.CopyToSelf \
-enable-checker valist.Uninitialized \
-enable-checker valist.Unterminated \
-enable-checker security.FloatLoopCounter \
-enable-checker security.insecureAPI.strcpy \
"
# These have high false-positive rates.
EXTRA_CHECKERS="\
-enable-checker alpha.security.ArrayBoundV2 \
-enable-checker alpha.unix.cstring.OutOfBounds \
-enable-checker alpha.core.CastSize \
"
# These don't seem to generate anything useful
NOISY_CHECKERS="\
-enable-checker alpha.clone.CloneChecker \
-enable-checker alpha.deadcode.UnreachableCode \
"
if test "x$SCAN_BUILD_OUTPUT" != "x"; then
OUTPUTARG="-o $SCAN_BUILD_OUTPUT"
else
OUTPUTARG=""
fi
scan-build \
$CHECKERS \
./configure
scan-build \
make clean
# Make this not get scanned for dead assignments, since it has lots of
# dead assignments we don't care about.
scan-build \
$CHECKERS \
-disable-checker deadcode.DeadStores \
make -j5 -k ./src/ext/ed25519/ref10/libed25519_ref10.a
scan-build \
$CHECKERS $OUTPUTARG \
make -j5 -k
CHECKERS="\
"
# This one gives a false positive on every strcmp.
# -enable-checker alpha.core.PointerSub
# Needs work
# -enable-checker alpha.unix.MallocWithAnnotations