Backport tinyopt pr#16 EOF comparison fix (#2242)

* Use `int` for `istream::get()` result for correct EOF checks when char is unsigned. Fixes #2059.
arbor-sim · Dec 8, 2023 · af0e286 · af0e286
1 parent 562ba9e
commit af0e286
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ext/tinyopt/include/tinyopt/tinyopt.h b/ext/tinyopt/include/tinyopt/tinyopt.h
@@ -892,7 +892,7 @@ struct saved_options: private std::vector<std::string> {
         bool quote = false; // true => within single quotes.
         bool escape = false; // true => previous character was backslash.
         while (in) {
-            char c = in.get();
+            int c = in.get();
             if (c==EOF) break;
 
             if (quote) {