am 6a09cfd9: Merge "wchar.h: improve wchar_t support in Bionic" into kraken

Merge commit '6a09cfd9f916e3a60de707ff0806cdeb143d77a4' into gingerbread-plus-aosp

* commit '6a09cfd9f916e3a60de707ff0806cdeb143d77a4':
  wchar.h: improve wchar_t support in Bionic

libc/include/sys/cdefs.h

@@ -371,6 +371,14 @@
 
 #define	__link_set_entry(set, idx)	(__link_set_begin(set)[idx])
 
+/*
+ * Some of the recend FreeBSD sources used in Bionic need this.
+ * Originally, this is used to embed the rcs versions of each source file
+ * in the generated binary. We certainly don't want this in Bionic.
+ */
+#define	__FBSDID(s)	struct __hack
+
+
 #define  __BIONIC__   1
 
 #endif /* !_SYS_CDEFS_H_ */

libc/include/wchar.h

@@ -70,9 +70,9 @@ typedef enum {
     WC_TYPE_MAX
 } wctype_t;
 
-#define  WCHAR_MAX   255
-#define  WCHAR_MIN   0
-#define  WEOF        (-1)
+#define  WCHAR_MAX   INT_MAX
+#define  WCHAR_MIN   INT_MIN
+#define  WEOF        ((wchar_t)(-1))
 
 extern wint_t            btowc(int);
 extern int               fwprintf(FILE *, const wchar_t *, ...);