"Use" fwrite result (workaround for warn_unused_result)

BillyDonahue · BillyDonahue · commit f7dffa76ac1d · 2021-03-20T03:10:25.000-04:00
Fixes #2185
diff --git a/include/fmt/format-inl.h b/include/fmt/format-inl.h
@@ -155,7 +155,7 @@ 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);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -155,7 +155,7 @@ FMT_FUNC void report_error(format_func func, int error_code,`
`155`	`155`	`memory_buffer full_message;`
`156`	`156`	`func(full_message, error_code, message);`
`157`	`157`	`// Don't use fwrite_fully because the latter may throw.`
`158`		`- (void)std::fwrite(full_message.data(), full_message.size(), 1, stderr);`
	`158`	`+ if (std::fwrite(full_message.data(), full_message.size(), 1, stderr)) ;`
`159`	`159`	`std::fputc('\n', stderr);`
`160`	`160`	`}`
`161`	`161`