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"Use" fwrite result (workaround for warn_unused_result) #2187

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"Use" fwrite result (workaround for warn_unused_result) #2187

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4 changes: 3 additions & 1 deletion include/fmt/format-inl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,9 @@ FMT_FUNC void report_error(format_func func, int error_code,
memory_buffer full_message;
func(full_message, error_code, message);
// Don't use fwrite_fully because the latter may throw.
(void)std::fwrite(full_message.data(), full_message.size(), 1, stderr);
if (std::fwrite(full_message.data(), full_message.size(), 1, stderr)) {
;
}
std::fputc('\n', stderr);
Comment on lines -158 to 161
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I think we shouldn't be trying to write \n if an error occurs which will also solve the warning:

  if (std::fwrite(full_message.data(), full_message.size(), 1, stderr) > 0)
    std::fputc('\n', stderr);

}

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