xiaoxiang781216 commented on a change in pull request #2064:
URL: https://github.com/apache/incubator-nuttx/pull/2064#discussion_r513891193
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File path: include/sys/types.h
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@@ -188,6 +188,9 @@ typedef intptr_t ptrdiff_t;
typedef uint16_t wchar_t;
#endif
+#if defined(__WCHAR_WIDTH__) && __WCHAR_WIDTH__ != 16
+#error __WCHAR_WIDTH__ should be 16
Review comment:
But wchar_t is compiler defined value from wiki:
https://en.wikipedia.org/wiki/Wide_character
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