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ncurses 5.9 - patch 20121026
[ncurses.git] / ncurses / base / MKkeyname.awk
diff --git a/ncurses/base/MKkeyname.awk b/ncurses/base/MKkeyname.awk
index 4bf83eafbcaf28a3d5a23c7e100f60bd4e5e501a..40eee2753e381e57913713d719632fe6c2787c3f 100644 (file)
--- a/ncurses/base/MKkeyname.awk
+++ b/ncurses/base/MKkeyname.awk
@@ -1,6 +1,6 @@
-# $Id: MKkeyname.awk,v 1.24 2002/09/01 19:43:34 tom Exp $
+# $Id: MKkeyname.awk,v 1.47 2012/02/22 22:35:41 tom Exp $
 ##############################################################################
 ##############################################################################
-# Copyright (c) 1999-2001,2002 Free Software Foundation, Inc.                #
+# Copyright (c) 1999-2010,2012 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"), #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -32,59 +32,132 @@ BEGIN {
        print "#include <curses.priv.h>"
        print "#include <tic.h>"
        print ""
        print "#include <curses.priv.h>"
        print "#include <tic.h>"
        print ""
-       print "const struct kn _nc_key_names[] = {"
+       first = 1;
 }
 
 /^[^#]/ {
 }
 
 /^[^#]/ {
-       printf "\t{ \"%s\", %s },\n", $1, $1;
+               if (bigstrings) {
+                       if (first)  {
+                               print "struct kn { short offset; int code; };"
+                               print "static const struct kn _nc_key_names[] = {"
+                       }
+                       printf "\t{ %d, %s },\n", offset, $1
+                       offset += length($1) + 1
+                       names = names"\n\t\""$1"\\0\""
+               } else {
+                       if (first) {
+                               print "struct kn { const char *name; int code; };"
+                               print "static const struct kn _nc_key_names[] = {"
+                       }
+                       printf "\t{ \"%s\", %s },\n", $1, $1;
+               }
+               first = 0;
        }
 
 END {
        }
 
 END {
-       printf "\t{ 0, 0 }};\n"
+       if (bigstrings) {
+               printf "\t{ -1, 0 }};\n"
+               print ""
+               print "static const char key_names[] = "names";"
+       } else {
+               printf "\t{ 0, 0 }};\n"
+       }
+       print ""
+       print "#define SIZEOF_TABLE 256"
+       print "#define MyTable _nc_globals.keyname_table"
        print ""
        print ""
-       print "NCURSES_EXPORT(NCURSES_CONST char *) keyname (int c)"
+       print "NCURSES_EXPORT(NCURSES_CONST char *)"
+       print "safe_keyname (SCREEN *sp, int c)"
        print "{"
        print "{"
-       print "static char **table;"
-       print "int i;"
-       print "char name[20];"
-       print "char *p;"
+       print " int i;"
+       print " char name[20];"
+       print " char *p;"
+       print " NCURSES_CONST char *result = 0;"
        print ""
        print ""
-       print "\tif (c == -1) return \"-1\";"
+       print " if (c == -1) {"
+       print "         result = \"-1\";"
+       print " } else {"
+       if (bigstrings) {
+               print "         for (i = 0; _nc_key_names[i].offset != -1; i++) {"
+               print "                 if (_nc_key_names[i].code == c) {"
+               print "                         result = (NCURSES_CONST char *)key_names + _nc_key_names[i].offset;"
+               print "                         break;"
+               print "                 }"
+               print "         }"
+       } else {
+               print "         for (i = 0; _nc_key_names[i].name != 0; i++) {"
+               print "                 if (_nc_key_names[i].code == c) {"
+               print "                         result = (NCURSES_CONST char *)_nc_key_names[i].name;"
+               print "                         break;"
+               print "                 }"
+               print "         }"
+       }
        print ""
        print ""
-       print "\tfor (i = 0; _nc_key_names[i].name != 0; i++)"
-       print "\t\tif (_nc_key_names[i].code == c)"
-       print "\t\t\treturn (NCURSES_CONST char *)_nc_key_names[i].name;"
-       print "\tif (c < 0 || c >= 256) return 0;"
+       print "         if (result == 0 && (c >= 0 && c < SIZEOF_TABLE)) {"
+       print "                 if (MyTable == 0)"
+       print "                         MyTable = typeCalloc(char *, SIZEOF_TABLE);"
+       print "                 if (MyTable != 0) {"
+       print "                         if (MyTable[c] == 0) {"
+       print "                                 int cc = c;"
+       print "                                 p = name;"
+       print "#define P_LIMIT (sizeof(name) - (size_t) (p - name))"
+       print "                                 if (cc >= 128 && (sp == 0 || sp->_use_meta)) {"
+       print "                                         _nc_STRCPY(p, \"M-\", P_LIMIT);"
+       print "                                         p += 2;"
+       print "                                         cc -= 128;"
+       print "                                 }"
+       print "                                 if (cc < 32)"
+       print "                                         _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"^%c\", cc + '@');"
+       print "                                 else if (cc == 127)"
+       print "                                         _nc_STRCPY(p, \"^?\", P_LIMIT);"
+       print "                                 else"
+       print "                                         _nc_SPRINTF(p, _nc_SLIMIT(P_LIMIT) \"%c\", cc);"
+       print "                                 MyTable[c] = strdup(name);"
+       print "                         }"
+       print "                         result = MyTable[c];"
+       print "                 }"
+       print "#if NCURSES_EXT_FUNCS && NCURSES_XNAMES"
+       print "         } else if (result == 0 && HasTerminal(sp)) {"
+       print "                 int j, k;"
+       print "                 char * bound;"
+       print "                 TERMTYPE *tp = &(TerminalOf(sp)->type);"
+       print "                 unsigned save_trace = _nc_tracing;"
        print ""
        print ""
-       print "\tif (table == 0)"
-       print "\t\ttable = typeCalloc(char *, 256);"
-       print "\tif (table == 0)"
-       print "\t\treturn keyname(256);"
+       print "                 _nc_tracing = 0;        /* prevent recursion via keybound() */"
+       print "                 for (j = 0; (bound = NCURSES_SP_NAME(keybound)(NCURSES_SP_ARGx c, j)) != 0; ++j) {"
+       print "                         for(k = STRCOUNT; k < (int) NUM_STRINGS(tp);  k++) {"
+       print "                                 if (tp->Strings[k] != 0 && !strcmp(bound, tp->Strings[k])) {"
+       print "                                         result = ExtStrname(tp, k, strnames);"
+       print "                                         break;"
+       print "                                 }"
+       print "                         }"
+       print "                         free(bound);"
+       print "                         if (result != 0)"
+       print "                                 break;"
+       print "                 }"
+       print "                 _nc_tracing = save_trace;"
+       print "#endif"
+       print "         }"
+       print " }"
+       print " return result;"
+       print "}"
        print ""
        print ""
-       print "\tif (table[c] == 0) {"
-       print "\t\tp = name;"
-       print "\t\tif (c >= 128) {"
-       print "\t\t\tstrcpy(p, \"M-\");"
-       print "\t\t\tp += 2;"
-       print "\t\t\tc -= 128;"
-       print "\t\t}"
-       print "\t\tif (c < 32)"
-       print "\t\t\tsprintf(p, \"^%c\", c + '@');"
-       print "\t\telse if (c == 127)"
-       print "\t\t\tstrcpy(p, \"^?\");"
-       print "\t\telse"
-       print "\t\t\tsprintf(p, \"%c\", c);"
-       print "\t\ttable[c] = strdup(name);"
-       print "\t}"
-       print "\treturn (NCURSES_CONST char *)table[c];"
+       print "NCURSES_EXPORT(NCURSES_CONST char *)"
+       print "keyname (int c)"
+       print "{"
+       print " return safe_keyname (CURRENT_SCREEN, c);"
        print "}"
        print ""
        print "}"
        print ""
-       print "#if USE_WIDEC_SUPPORT"
-       print "NCURSES_EXPORT(NCURSES_CONST char *) key_name (wchar_t c)"
+       print "#if NO_LEAKS"
+       print "void _nc_keyname_leaks(void)"
        print "{"
        print "{"
-       print "\tNCURSES_CONST char *result = keyname((int)c);"
-       print "\tif (!strncmp(result, \"M-\", 2)) result = 0;"
-       print "\treturn result;"
+       print " int j;"
+       print " if (MyTable != 0) {"
+       print "         for (j = 0; j < SIZEOF_TABLE; ++j) {"
+       print "                 FreeIfNeeded(MyTable[j]);"
+       print "         }"
+       print "         FreeAndNull(MyTable);"
+       print " }"
        print "}"
        print "}"
-       print "#endif"
+       print "#endif /* NO_LEAKS */"
 }
 }
ncurses, with patches starting at ncurses-5.6; new users should use https://github.com/ThomasDickey/ncurses-snapshots/