diff options
Diffstat (limited to 'src/tsort.c')
| -rw-r--r-- | src/tsort.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/tsort.c b/src/tsort.c index ebd1d43f9..d7573de82 100644 --- a/src/tsort.c +++ b/src/tsort.c @@ -1,5 +1,5 @@ /* tsort - topological sort. - Copyright (C) 1998-2002 Free Software Foundation, Inc. + Copyright (C) 1998-2003 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -491,6 +491,10 @@ tsort (const char *file) j = k; } + if (k != NULL) + error (EXIT_FAILURE, 0, _("%s: input contains an odd number of tokens"), + file); + /* T1. Initialize (N <- n). */ walk_tree (root, count_items); |