23 lines
765 B
Bash
Executable File
23 lines
765 B
Bash
Executable File
#!/bin/sh
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# We don't use printf's percent notation with our custom logging mechanism,
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# so the compiler cannot check it for us like it usually does.
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#
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# In clang-query terms, the string we're interested in can be found through:
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# set traversal IgnoreUnlessSpelledInSource
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# set output dump
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# match callExpr(callee(functionDecl(
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# hasName("log_full"))),
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# hasArgument(5, stringLiteral().bind("format")))
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# However, the tool is too restricted to be useful in a shell script.
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perl -n0777 - "$(dirname "$0")"/xC.c <<-'END'
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while (/\blog_[^ ]+\s*\([^"()]*"[^"]*%\w[^"]*"/gm) {
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my ($p, $m) = ($`, $&);
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printf "$ARGV:%d: suspicious log format string: %s...\n",
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(1 + $p =~ tr/\n//), ($m =~ s/\s+/ /rg);
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$status = 1;
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}
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END {
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exit $status;
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}
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END
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