ncurses 6.2 - patch 20210213

[ncurses.git] / ncurses / base / MKkeyname.awk

diff --git a/ncurses/base/MKkeyname.awk b/ncurses/base/MKkeyname.awk
index 40eee2753e381e57913713d719632fe6c2787c3f..b3d04ee77f53113e9e62d6e5c8e7c11e87f7c693 100644 (file)
--- a/ncurses/base/MKkeyname.awk
+++ b/ncurses/base/MKkeyname.awk
@@ -1,6 +1,7 @@
-# $Id: MKkeyname.awk,v 1.47 2012/02/22 22:35:41 tom Exp $
+# $Id: MKkeyname.awk,v 1.51 2020/02/02 23:34:34 tom Exp $
 ##############################################################################
-# Copyright (c) 1999-2010,2012 Free Software Foundation, Inc.                #
+# Copyright 2020 Thomas E. Dickey                                            #
+# Copyright 1998-2016,2017 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 "Software"), #
@@ -65,18 +66,18 @@ END {
        print ""
        print "#define SIZEOF_TABLE 256"
        print "#define MyTable _nc_globals.keyname_table"
+       print "#define MyInit  _nc_globals.init_keyname"
        print ""
        print "NCURSES_EXPORT(NCURSES_CONST char *)"
        print "safe_keyname (SCREEN *sp, int c)"
        print "{"
-       print " int i;"
        print " char name[20];"
-       print " char *p;"
        print " NCURSES_CONST char *result = 0;"
        print ""
        print " if (c == -1) {"
        print "         result = \"-1\";"
        print " } else {"
+       print "         int i;"
        if (bigstrings) {
                print "         for (i = 0; _nc_key_names[i].offset != -1; i++) {"
                print "                 if (_nc_key_names[i].code == c) {"
@@ -96,12 +97,26 @@ END {
        print "         if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {"
        print "                 if (MyTable == 0)"
        print "                         MyTable = typeCalloc(char *, SIZEOF_TABLE);"
+       print ""
        print "                 if (MyTable != 0) {"
+       print "                         int m_prefix = (sp == 0 || sp->_use_meta);"
+       print ""
+       print "                         /* if sense of meta() changed, discard cached data */"
+       print "                         if (MyInit != (m_prefix + 1)) {"
+       print "                                 MyInit = m_prefix + 1;"
+       print "                                 for (i = 0; i < SIZEOF_TABLE; ++i) {"
+       print "                                         if (MyTable[i]) {"
+       print "                                                 FreeAndNull(MyTable[i]);"
+       print "                                         }"
+       print "                                 }"
+       print "                         }"
+       print ""
+       print "                         /* create and cache result as needed */"
        print "                         if (MyTable[c] == 0) {"
        print "                                 int cc = c;"
-       print "                                 p = name;"
+       print "                                 char *p = name;"
        print "#define P_LIMIT (sizeof(name) - (size_t) (p - name))"
-       print "                                 if (cc >= 128 && (sp == 0 || sp->_use_meta)) {"
+       print "                                 if (cc >= 128 && m_prefix) {"
        print "                                         _nc_STRCPY(p, \"M-\", P_LIMIT);"
        print "                                         p += 2;"
        print "                                         cc -= 128;"
@@ -120,7 +135,7 @@ END {
        print "         } else if (result == 0 && HasTerminal(sp)) {"
        print "                 int j, k;"
        print "                 char * bound;"
-       print "                 TERMTYPE *tp = &(TerminalOf(sp)->type);"
+       print "                 TERMTYPE2 *tp = &TerminalType(TerminalOf(sp));"
        print "                 unsigned save_trace = _nc_tracing;"
        print ""
        print "                 _nc_tracing = 0;        /* prevent recursion via keybound() */"
@@ -151,8 +166,8 @@ END {
        print "#if NO_LEAKS"
        print "void _nc_keyname_leaks(void)"
        print "{"
-       print " int j;"
        print " if (MyTable != 0) {"
+       print "         int j;"
        print "         for (j = 0; j < SIZEOF_TABLE; ++j) {"
        print "                 FreeIfNeeded(MyTable[j]);"
        print "         }"