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author | Jim Meyering <jim@meyering.net> | 2003-04-24 13:48:54 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 2003-04-24 13:48:54 +0000 |
commit | a3c951764e119735c499d515d2b36ece5c749353 (patch) | |
tree | a54a34f4de6b70f3e9401d25d2afb4f3cf984964 /src | |
parent | eafe3a687805445bc76bc6a9cca0ac99d6ef1e67 (diff) | |
download | coreutils-a3c951764e119735c499d515d2b36ece5c749353.tar.xz |
(tsort): Fail if the input contains an odd number of tokens.
Diffstat (limited to 'src')
-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); |