Enable mojibake

Author: vitaut

include/fmt/core.h

@@ -1507,15 +1507,14 @@ inline std::basic_string<Char> format(const S& format_str, Args&&... args) {
       {internal::make_args_checked<Args...>(format_str, args...)});
 }
 
-FMT_API void vprint(string_view format_str, format_args args);
-FMT_API void vprint(std::FILE* f, string_view format_str, format_args args);
-FMT_API void vprint_mojibake(std::FILE* f, string_view format_str,
-                             format_args args);
+FMT_API void vprint(string_view, format_args);
+FMT_API void vprint(std::FILE*, string_view, format_args);
+FMT_API void vprint_mojibake(std::FILE*, string_view, format_args);
 
 /**
   \rst
-  Prints formatted data to the file *f*. For wide format strings,
-  *f* should be in wide-oriented mode set via ``fwide(f, 1)``.
+  Prints formatted data to the file *f*. For wide format strings *f* should be
+  in wide-oriented mode set via ``fwide(f, 1)``.
 
   **Example**::
 
@@ -1525,8 +1524,13 @@ FMT_API void vprint_mojibake(std::FILE* f, string_view format_str,
 template <typename S, typename... Args,
           FMT_ENABLE_IF(internal::is_string<S>::value)>
 inline void print(std::FILE* f, const S& format_str, Args&&... args) {
+#if !defined(_WIN32) || FMT_UNICODE
   vprint(f, to_string_view(format_str),
          internal::make_args_checked<Args...>(format_str, args...));
+#else
+  vprint_mojibake(f, to_string_view(format_str),
+                  internal::make_args_checked<Args...>(format_str, args...));
+#endif
 }
 
 /**

include/fmt/format-inl.h

@@ -21,7 +21,7 @@
 #  include <locale>
 #endif
 
-#if FMT_UNICODE
+#ifdef _WIN32
 #  include <io.h>
 #  include <windows.h>
 #endif
@@ -1345,7 +1345,7 @@ FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
   memory_buffer buffer;
   internal::vformat_to(buffer, format_str,
                        basic_format_args<buffer_context<char>>(args));
-#if defined(_WIN32) && FMT_UNICODE
+#ifdef _WIN32
   auto fd = _fileno(f);
   if (_isatty(fd)) {
     internal::utf8_to_utf16 u16(string_view(buffer.data(), buffer.size()));
@@ -1361,6 +1361,7 @@ FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
 }
 
 #ifdef _WIN32
+// Print assuming legacy (non-Unicode) encoding.
 FMT_FUNC void vprint_mojibake(std::FILE* f, string_view format_str,
                               format_args args) {
   memory_buffer buffer;