/usr/lib/ruby/vendor_ruby/ohai/plugins/c.rb is in ohai 6.14.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: Doug MacEachern <dougm@vmware.com>
# Copyright:: Copyright (c) 2010 VMware, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'rbconfig'
provides "languages/c"
require_plugin "languages"
c = Mash.new
#gcc
status, stdout, stderr = run_command(:no_status_check => true, :command => "gcc -v")
if status == 0
description = stderr.split($/).last
output = description.split
if output.length >= 3
c[:gcc] = Mash.new
c[:gcc][:version] = output[2]
c[:gcc][:description] = description
end
end
#glibc
["/lib/libc.so.6", "/lib64/libc.so.6"].each do |glibc|
status, stdout, stderr = run_command(:no_status_check => true, :command => glibc)
if status == 0
description = stdout.split($/).first
if description =~ /(\d+\.\d+\.?\d*)/
c[:glibc] = Mash.new
c[:glibc][:version] = $1
c[:glibc][:description] = description
end
break
end
end
#ms cl
status, stdout, stderr = run_command(:no_status_check => true, :command => "cl /?")
if status == 0
description = stderr.split($/).first
if description =~ /Compiler Version ([\d\.]+)/
c[:cl] = Mash.new
c[:cl][:version] = $1
c[:cl][:description] = description
end
end
#ms vs
status, stdout, stderr = run_command(:no_status_check => true, :command => "devenv.com /?")
if status == 0
lines = stdout.split($/)
description = lines[0].length == 0 ? lines[1] : lines[0]
if description =~ /Visual Studio Version ([\d\.]+)/
c[:vs] = Mash.new
c[:vs][:version] = $1.chop
c[:vs][:description] = description
end
end
#ibm xlc
status, stdout, stderr = run_command(:no_status_check => true, :command => "xlc -qversion")
if status == 0 or (status >> 8) == 249
description = stdout.split($/).first
if description =~ /V(\d+\.\d+)/
c[:xlc] = Mash.new
c[:xlc][:version] = $1
c[:xlc][:description] = description.strip
end
end
#sun pro
status, stdout, stderr = run_command(:no_status_check => true, :command => "cc -V -flags")
if status == 0
output = stderr.split
if stderr =~ /^cc: Sun C/ && output.size >= 4
c[:sunpro] = Mash.new
c[:sunpro][:version] = output[3]
c[:sunpro][:description] = stderr.chomp
end
end
#hpux cc
status, stdout, stderr = run_command(:no_status_check => true, :command => "what /opt/ansic/bin/cc")
if status == 0
description = stdout.split($/).select { |line| line =~ /HP C Compiler/ }.first
if description
output = description.split
c[:hpcc] = Mash.new
c[:hpcc][:version] = output[1] if output.size >= 1
c[:hpcc][:description] = description.strip
end
end
languages[:c] = c if c.keys.length > 0
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