X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fwchar.in.h;fp=lib%2Fwchar.in.h;h=8534acb789447985cf4ddabea9b552a1b3160dde;hb=2210a2b11c43222262e65d7200bb094dc6d052d3;hp=f76f371ace52a288f2d481fbe3ee51a7dd82d9eb;hpb=82d47b6ea0888839c20d60efad01b50fc21fc27c;p=gnulib.git

diff --git a/lib/wchar.in.h b/lib/wchar.in.h
index f76f371ac..8534acb78 100644
--- a/lib/wchar.in.h
+++ b/lib/wchar.in.h
@@ -98,6 +98,18 @@
 #  define WEOF -1
 # endif
 #else
+/* MSVC defines wint_t as 'unsigned short' in <crtdefs.h>.
+   This is too small: ISO C 99 section 7.24.1.(2) says that wint_t must be
+   "unchanged by default argument promotions".  Override it.  */
+# if defined _MSC_VER
+#  if !GNULIB_defined_wint_t
+#   include <crtdefs.h>
+typedef unsigned int rpl_wint_t;
+#   undef wint_t
+#   define wint_t rpl_wint_t
+#   define GNULIB_defined_wint_t 1
+#  endif
+# endif
 # ifndef WEOF
 #  define WEOF ((wint_t) -1)
 # endif