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degesch: add static analysis for the logger 

Caught two more occurences than I was able to find by just scanning
the source, so the effort wasn't in vain.
This commit is contained in:
Přemysl Eric Janouch 2018-06-21 23:37:40 +02:00
parent fab5115cd0
commit b1a89f313a
Signed by: p
GPG Key ID: B715679E3A361BE6
2 changed files with 16 additions and 0 deletions
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2
CMakeLists.txt
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@ -180,6 +180,8 @@ endfunction (make_tests_for)
include (CTest) include (CTest)
if (BUILD_TESTING) if (BUILD_TESTING)
make_tests_for (degesch) make_tests_for (degesch)
add_test (NAME custom-static-analysis
COMMAND ${PROJECT_SOURCE_DIR}/test-static)
endif (BUILD_TESTING) endif (BUILD_TESTING)
# Various clang-based diagnostics, loads of fake positives and spam # Various clang-based diagnostics, loads of fake positives and spam

14
test-static Executable file
View File

@ -0,0 +1,14 @@
#!/bin/sh
# We don't use printf's percent notation with our custom logging mechanism,
# so the compiler cannot check it for us like it usually does
perl -n0777 - "$(dirname "$0")"/degesch.c <<-'END'
while (/\blog_[^ ]+\s*\([^"()]*"[^"]*%[^%][^"]*"/gm) {
my ($p, $m) = ($`, $&);
printf "$ARGV:%d: suspicious log format string: %s...\n",
(1 + $p =~ tr/\n//), ($m =~ s/\s+/ /rg);
$status = 1;
}
END {
exit $status;
}
END