X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=cbits%2FPrelIOUtils.c;h=9e05f08396be7df894733564fd449263b4458f5a;hb=3a7e8de77666fab3f6d2a7fc5c813cbca77ad57d;hp=412c8b875fc215608f41bb35add31f02cffc4439;hpb=d704979eea6b9a723af54958c8463319b578638a;p=ghc-base.git

diff --git a/cbits/PrelIOUtils.c b/cbits/PrelIOUtils.c
index 412c8b8..9e05f08 100644
--- a/cbits/PrelIOUtils.c
+++ b/cbits/PrelIOUtils.c
@@ -5,8 +5,15 @@
  */
 
 #define INLINE
+
+#ifdef __GLASGOW_HASKELL__
+# include "Rts.h"
+#endif
+
 #include "HsBase.h"
 
+#ifdef __GLASGOW_HASKELL__
+
 void errorBelch2(const char*s, char *t)
 {
     errorBelch(s,t);
@@ -16,3 +23,30 @@ void debugBelch2(const char*s, char *t)
 {
     debugBelch(s,t);
 }
+
+#if defined(HAVE_LIBCHARSET)
+#  include <libcharset.h>
+#elif defined(HAVE_LANGINFO_H)
+#  include <langinfo.h>
+#endif
+
+#if !defined(mingw32_HOST_OS)
+const char* localeEncoding(void)
+{
+#if defined(HAVE_LIBCHARSET)
+    return locale_charset();
+
+#elif defined(HAVE_LANGINFO_H)
+    return nl_langinfo(CODESET);
+
+#else
+#warning Depending on the unportable behavior of GNU iconv due to absence of both libcharset and langinfo.h
+    /* GNU iconv accepts "" to mean the current locale's
+     * encoding. Warning: This isn't portable.
+     */
+    return "";
+#endif
+}
+#endif
+
+#endif /* __GLASGOW_HASKELL__ */