X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Fmake_keys.c;h=80bbf63198a5595665618b510e2f3e7d052847c8;hp=f44f7c77ff7e3d6762a7566db65b624dec4075d4;hb=56a81c7e79f73d397cc8074401d039f59c34cad5;hpb=03f728e5bb3630a54fffc4a2ff2f8dbfcce9088e

diff --git a/ncurses/tinfo/make_keys.c b/ncurses/tinfo/make_keys.c
index f44f7c77..80bbf631 100644
--- a/ncurses/tinfo/make_keys.c
+++ b/ncurses/tinfo/make_keys.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2011,2015 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            *
@@ -39,11 +40,26 @@
 #define USE_TERMLIB 1
 #include <build.priv.h>
 
-MODULE_ID("$Id: make_keys.c,v 1.20 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: make_keys.c,v 1.22 2020/02/02 23:34:34 tom Exp $")
 
 #include <names.c>
 
-#define UNKNOWN (unsigned) (SIZEOF(strnames) + SIZEOF(strfnames))
+static unsigned
+unknown(void)
+{
+    static unsigned result = 0;
+
+    if (result == 0) {
+	unsigned n;
+	for (n = 0; strnames[n] != 0; n++) {
+	    ++result;
+	}
+	for (n = 0; strfnames[n] != 0; n++) {
+	    ++result;
+	}
+    }
+    return result;
+}
 
 static unsigned
 lookup(const char *name)
@@ -64,7 +80,7 @@ lookup(const char *name)
 	    }
 	}
     }
-    return found ? n : UNKNOWN;
+    return found ? n : unknown();
 }
 
 static void
@@ -73,6 +89,7 @@ make_keys(FILE *ifp, FILE *ofp)
     char buffer[BUFSIZ];
     char from[256];
     char to[256];
+    unsigned ignore = unknown();
     unsigned maxlen = 16;
     int scanned;
 
@@ -86,7 +103,7 @@ make_keys(FILE *ifp, FILE *ofp)
 	scanned = sscanf(buffer, "%255s %255s", to, from);
 	if (scanned == 2) {
 	    unsigned code = lookup(from);
-	    if (code == UNKNOWN)
+	    if (code == ignore)
 		continue;
 	    if (strlen(from) > maxlen)
 		maxlen = (unsigned) strlen(from);