[libc-commits] [libc] [libc] Support %lc in printf (PR #169983)

[Alexey Samsonov via libc-commits]

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@@ -20,20 +29,49 @@ namespace printf_core {
 template <WriteMode write_mode>
 LIBC_INLINE int convert_char(Writer<write_mode> *writer,
                              const FormatSection &to_conv) {
-  char c = static_cast<char>(to_conv.conv_val_raw);
 
-  constexpr int STRING_LEN = 1;
+  char buffer[MB_LEN_MAX];
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vonosmas wrote:

Do you need to include libc/hdr/limits_macros.h to ensure `MB_LEN_MAX` is available?

https://github.com/llvm/llvm-project/pull/169983