X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=include%2Ftic.h;h=fb713afdd280df31b36af150b0c1604bafcfe0ed;hp=7c90065ccaf29dc585d095dfa8c5a64d5954dc00;hb=048a1c1a65c6d98d92fca97f8d175d10d21091d0;hpb=a3173aa5edbdbc6d617800f81a88a304ac5e053c

diff --git a/include/tic.h b/include/tic.h
index 7c90065c..fb713afd 100644
--- a/include/tic.h
+++ b/include/tic.h
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,7 +33,7 @@
  ****************************************************************************/
 
 /*
- * $Id: tic.h,v 1.68 2012/02/18 20:09:19 tom Exp $
+ * $Id: tic.h,v 1.70 2017/02/04 01:48:53 tom Exp $
  *	tic.h - Global variables and structures for the terminfo
  *			compiler.
  */
@@ -86,6 +86,8 @@ extern "C" {
 
 #define IS_TIC_MAGIC(p)	(LOW_MSB(p) == MAGIC)
 
+#define quick_prefix(s) (!strncmp((s), "b64:", 4) || !strncmp((s), "hex:", 4))
+
 /*
  * The "maximum" here is misleading; XSI guarantees minimum values, which a
  * given implementation may exceed.
@@ -224,6 +226,12 @@ extern NCURSES_EXPORT(const struct alias *) _nc_get_alias_table (bool);
 
 #define NOTFOUND	((struct name_table_entry *) 0)
 
+/*
+ * The casts are required for correct sign-propagation with systems such as
+ * AIX, IRIX64, Solaris which default to unsigned characters.  The C standard
+ * leaves this detail unspecified.
+ */
+
 /* out-of-band values for representing absent capabilities */
 #define ABSENT_BOOLEAN		((signed char)-1)	/* 255 */
 #define ABSENT_NUMERIC		(-1)