X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Fcomp_parse.c;h=e47625b3dbe1735ff8cd2044bd804d6202ad9a1d;hp=ab25d5b1f03d9b132d4c70f11edea2a69f2ee3dd;hb=3934889cc6b0f45cf218c88df7f35634d250c9e5;hpb=47d2fb4537d9ad5bb14f4810561a327930ca4280;ds=sidebyside

diff --git a/ncurses/tinfo/comp_parse.c b/ncurses/tinfo/comp_parse.c
index ab25d5b1..e47625b3 100644
--- a/ncurses/tinfo/comp_parse.c
+++ b/ncurses/tinfo/comp_parse.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018-2019,2020 Thomas E. Dickey                                *
+ * Copyright 2018-2020,2021 Thomas E. Dickey                                *
  * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -48,10 +48,10 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: comp_parse.c,v 1.109 2020/02/02 23:34:34 tom Exp $")
+MODULE_ID("$Id: comp_parse.c,v 1.112 2021/02/27 21:01:21 tom Exp $")
 
 static void sanity_check2(TERMTYPE2 *, bool);
-NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE2 *, bool) = sanity_check2;
+NCURSES_IMPEXP void (NCURSES_API *_nc_check_termtype2) (TERMTYPE2 *, bool) = sanity_check2;
 
 static void fixup_acsc(TERMTYPE2 *, int);
 
@@ -392,7 +392,7 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 {
     ENTRY *qp, *rp, *lastread = 0;
     bool keepgoing;
-    unsigned i;
+    unsigned i, j;
     int unresolved, total_unresolved, multiples;
 
     DEBUG(2, ("RESOLUTION BEGINNING"));
@@ -454,6 +454,15 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 
 		    qp->uses[i].link = rp;
 		    foundit = TRUE;
+
+		    /* verify that there are no earlier uses */
+		    for (j = 0; j < i; ++j) {
+			if (!strcmp(qp->uses[j].link->tterm.term_names,
+				    rp->tterm.term_names)) {
+			    _nc_warning("duplicate use=%s", lookfor);
+			    break;
+			}
+		    }
 		}
 	    }
 
@@ -475,6 +484,15 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 
 		    qp->uses[i].link = rp;
 		    foundit = TRUE;
+
+		    /* verify that there are no earlier uses */
+		    for (j = 0; j < i; ++j) {
+			if (!strcmp(qp->uses[j].link->tterm.term_names,
+				    rp->tterm.term_names)) {
+			    _nc_warning("duplicate use=%s", lookfor);
+			    break;
+			}
+		    }
 		}
 	    }