[ARROW-7050] [R] Fix compiler warnings in R bindings

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.15.1
• Fix Version/s: 0.16.0
• Component/s: R
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/23360
• Assignee: Neal Richardson
• Reporter: Jeroen
• Created: 02/Nov/19 16:43
• Updated: 11/Jan/23 07:51
• Resolved: 04/Dec/19 00:12

Description

As reported by gcc 8.3.0 on Windows. Maybe you should CI with -Werror?

array_from_vector.cpp: In member function 'arrow::Status arrow::r::TypedVectorConverter<Type, Derived>::Ingest(SEXP) [with Type = arrow::DoubleType; Derived = arrow::r::NumericVectorConverter<arrow::DoubleType>]':
array_from_vector.cpp:383:16: warning: 'value' may be used uninitialized in this function [-Wmaybe-uninitialized]
         double value;
                ^~~~~

Issue Links

• links to: GitHub Pull Request #5940