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-rw-r--r--cparser/Cutil.ml18
1 files changed, 15 insertions, 3 deletions
diff --git a/cparser/Cutil.ml b/cparser/Cutil.ml
index 9ad0b13d..7d1c2e4b 100644
--- a/cparser/Cutil.ml
+++ b/cparser/Cutil.ml
@@ -692,18 +692,30 @@ let find_matching_signed_ikind sz =
else if sz = !config.sizeof_longlong then ILongLong
else assert false
-let wchar_ikind = find_matching_unsigned_ikind !config.sizeof_wchar
+let wchar_ikind =
+ if !config.wchar_signed
+ then find_matching_signed_ikind !config.sizeof_wchar
+ else find_matching_unsigned_ikind !config.sizeof_wchar
let size_t_ikind = find_matching_unsigned_ikind !config.sizeof_size_t
let ptr_t_ikind = find_matching_unsigned_ikind !config.sizeof_ptr
let ptrdiff_t_ikind = find_matching_signed_ikind !config.sizeof_ptrdiff_t
+(** The wchar_t type. Try to get it from a typedef in the environment,
+ otherwise use the integer type described in !config. *)
+
+let wchar_type env =
+ try
+ let (id, def) = Env.lookup_typedef env "wchar_t" in TNamed(id, [])
+ with Env.Error _ ->
+ TInt(wchar_ikind, [])
+
(** The type of a constant *)
-let type_of_constant = function
+let type_of_constant env = function
| CInt(_, ik, _) -> TInt(ik, [])
| CFloat(_, fk) -> TFloat(fk, [])
| CStr _ -> TPtr(TInt(IChar, []), [])
- | CWStr _ -> TPtr(TInt(wchar_ikind, []), [])
+ | CWStr _ -> TPtr(wchar_type env, [])
| CEnum(_, _) -> TInt(IInt, [])
(* Check that a C expression is a lvalue *)