Integrate perlio:

[p5sagit/p5-mst-13.2.git] / utf8.h

diff --git a/utf8.h b/utf8.h
index 1c2243e..b35cfeb 100644 (file)
--- a/utf8.h
+++ b/utf8.h
@@ -166,6 +166,17 @@ END_EXTERN_C
 #define UNICODE_BYTER_ORDER_MARK       0xfffe
 #define UNICODE_ILLEGAL                        0xffff
 
+/* Though our UTF-8 encoding can go beyond this,
+ * let's be conservative. */
+#define PERL_UNICODE_MAX       0x10FFFF
+
+#define UNICODE_ALLOW_SURROGATE 0x0001 /* Allow UTF-16 surrogates (EVIL) */
+#define UNICODE_ALLOW_FDD0     0x0002  /* Allow the U+FDD0...U+FDEF */
+#define UNICODE_ALLOW_FFFE     0x0004  /* Allow 0xFFFE, 0x1FFFE, ... */
+#define UNICODE_ALLOW_FFFF     0x0008  /* Allow 0xFFFE, 0x1FFFE, ... */
+#define UNICODE_ALLOW_SUPER    0x0010  /* Allow past 10xFFFF */
+#define UNICODE_ALLOW_ANY      0xFFFF
+
 #define UNICODE_IS_SURROGATE(c)                ((c) >= UNICODE_SURROGATE_FIRST && \
                                         (c) <= UNICODE_SURROGATE_LAST)
 #define UNICODE_IS_REPLACEMENT(c)      ((c) == UNICODE_REPLACEMENT)