Module: OS::Linux::Ld Private
- Defined in:
- os/linux/ld.rb
Overview
This module is part of a private API. This module may only be used in the Homebrew/brew repository. Third parties should avoid using this module if possible, as it may be removed or changed without warning.
Helper functions for querying ld
information.
Class Method Summary collapse
- .brewed_ld_so_diagnostics ⇒ String private
- .library_paths(conf_path = Pathname(sysconfdir)/"ld.so.conf") ⇒ Array<String> private
- .sysconfdir ⇒ String private
- .system_dirs ⇒ Array<String> private
Class Method Details
.brewed_ld_so_diagnostics ⇒ String
This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.
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# File 'os/linux/ld.rb', line 9 def self.brewed_ld_so_diagnostics brewed_ld_so = HOMEBREW_PREFIX/"lib/ld.so" return "" unless brewed_ld_so.exist? ld_so_output = Utils.popen_read(brewed_ld_so, "--list-diagnostics") return "" unless $CHILD_STATUS.success? ld_so_output end |
.library_paths(conf_path = Pathname(sysconfdir)/"ld.so.conf") ⇒ Array<String>
This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.
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# File 'os/linux/ld.rb', line 44 def self.library_paths(conf_path = Pathname(sysconfdir)/"ld.so.conf") conf_file = Pathname(conf_path) paths = Set.new directory = conf_file.realpath.dirname conf_file.readlines.each do |line| # Remove comments and leading/trailing whitespace line.strip! line.sub!(/\s*#.*$/, "") if line.start_with?(/\s*include\s+/) include_path = Pathname(line.sub(/^\s*include\s+/, "")). wildcard = include_path.absolute? ? include_path : directory/include_path Dir.glob(wildcard.to_s).each do |include_file| paths += library_paths(include_file) end elsif line.empty? next else paths << line end end paths.to_a end |
.sysconfdir ⇒ String
This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.
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# File 'os/linux/ld.rb', line 20 def self.sysconfdir fallback_sysconfdir = "/etc" match = brewed_ld_so_diagnostics.match(/path.sysconfdir="(.+)"/) return fallback_sysconfdir unless match match.captures.compact.first || fallback_sysconfdir end |
.system_dirs ⇒ Array<String>
This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.
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# File 'os/linux/ld.rb', line 30 def self.system_dirs dirs = [] brewed_ld_so_diagnostics.split("\n").each do |line| match = line.match(/path.system_dirs\[0x.*\]="(.*)"/) next unless match dirs << match.captures.compact.first end dirs end |