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Don't depend on Fiddle features which aren't in Ruby 3.0 #66

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Jan 24, 2024
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Don't depend on Fiddle features which aren't in Ruby 3.0 #66

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7 changes: 5 additions & 2 deletions lib/mspec/runner/actions/leakchecker.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -345,10 +345,13 @@ def disable_nss_modules

begin
libc = Fiddle.dlopen(nil)
# Older versions of fiddle don't have Fiddle::Type (and instead rely on Fiddle::TYPE_)
# Even older versions of fiddle don't have CONST_STRING,
string_type = defined?(Fiddle::TYPE_CONST_STRING) ? Fiddle::TYPE_CONST_STRING : Fiddle::TYPE_VOIDP
nss_configure_lookup = Fiddle::Function.new(
libc['__nss_configure_lookup'],
[Fiddle::Types::CONST_STRING, Fiddle::Types::CONST_STRING],
Fiddle::Types::INT
[string_type, string_type],
Fiddle::TYPE_INT
)
rescue Fiddle::DLError
# We're not running with glibc - no need to do this.
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