60 lines
1.1 KiB
Ruby
60 lines
1.1 KiB
Ruby
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# Licensed under GPL-2 or later
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# Author: Petteri Räty <betelgeuse@gentoo.org>
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MAGIC="\x7FELF"
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def is_elf(file)
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File.executable?(file) && File.file?(file) && File.read(file, 4) == MAGIC
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end
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def get_pkg_of_lib(lib)
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command='qfile -qC ' + lib
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output = `#{command}`.split("\n")
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output.uniq!
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output.join(' || ')
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end
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def handle_extra_output(prog)
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$stderr.puts 'This program expects only one line'
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$stderr.puts 'of output from scanelf. Extra lines:'
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while line = scanelf.gets
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$stderr.puts line
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end
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exit 2
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end
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def run_scanelf(elf)
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scanelf = IO.popen("scanelf -q -F '%n#F' #{elf}")
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first_line = scanelf.gets
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handle_extra_output(scanelf) if not scanelf.eof?
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scanelf.close
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libs = first_line.split(',')
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for lib in libs
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yield lib
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end
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end
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class ScanElf
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private_class_method :new
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@@instance = nil
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def ScanElf.instance
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@@instance = new unless @@instance
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@@instance
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end
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def initialize
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@process = IO.popen('scanelf -q -F "%n#F" -f /dev/stdin','r+')
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end
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def each(elf)
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@process.puts(elf)
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result = @process.gets
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libs = result.split(',')
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for lib in libs
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yield lib
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end
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end
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end
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