Don't use locale-dependent %ls.

While webtiles are not supported on Windows, and no sane Unix uses encodings
other than UTF-8, we can have local webtiles some day.

1 files changed, 17 insertions, 0 deletions

diff --git a/crawl-ref/source/unicode.cc b/crawl-ref/source/unicode.cc
index 1d83f65edd..aa6773ba21 100644
--- a/crawl-ref/source/unicode.cc
+++ b/crawl-ref/source/unicode.cc
@@ -233,6 +233,23 @@ static std::string utf8_validate(const char *s)
     return d;
 }
 
+#ifdef USE_TILE_WEB
+std::string wcstoutf8(const std::wstring &s)
+{
+    std::string out;
+
+    for (size_t j = 0; j < s.length(); j++)
+    {
+        char buf[4];
+        int r = wctoutf8(buf, s[j]);
+        for (int i = 0; i < r; j++)
+            out.push_back(buf[i]);
+    }
+
+    return out;
+}
+#endif
+
 static bool _check_trail(FILE *f, const char* bytes, int len)
 {
     while (len--)