Workaround for missing lconv support in android

fmtlib · May 17, 2016 · 7e970c3 · 7e970c3
1 parent d00b43c
commit 7e970c3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/fmt/format.h b/fmt/format.h
@@ -34,6 +34,7 @@
 #include <cstdio>
 #include <cstring>
 #include <limits>
+#include <locale>
 #include <memory>
 #include <stdexcept>
 #include <string>
@@ -2778,7 +2779,9 @@ void BasicWriter<Char>::write_int(T value, Spec spec) {
   }
   case 'n': {
     unsigned num_digits = internal::count_digits(abs_value);
-    fmt::StringRef sep = std::localeconv()->thousands_sep;
+    // locale c++ API may be just stubbed on Android, but it compiles at least
+    char sep_char = std::use_facet<std::numpunct<char> >(std::locale(std::setlocale(LC_ALL, NULL))).thousands_sep();
+    fmt::StringRef sep(&char_sep, 1);
     unsigned size = static_cast<unsigned>(
           num_digits + sep.size() * (num_digits - 1) / 3);
     CharPtr p = prepare_int_buffer(size, spec, prefix, prefix_size) + 1;