With -Dlint, make shuf free all heap-allocated storage.

* src/shuf.c (main): Move declaration of input_lines to
function scope, and initialize to NULL, so we can free it.
[lint]: Free all malloc'd memory.
* tests/misc/shuf: Also test shuf's -e and -i options.

1 files changed, 12 insertions, 2 deletions

diff --git a/tests/misc/shuf b/tests/misc/shuf
index 760bd4921..a2d5891b2 100755
--- a/tests/misc/shuf
+++ b/tests/misc/shuf
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that shuf randomizes its input.
 
-# Copyright (C) 2006 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2007 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
@@ -51,8 +51,18 @@ cmp in out > /dev/null && { fail=1; echo "not random?" 1>&2; }
 sort -n out > out1
 cmp in out1 || { fail=1; echo "not a permutation" 1>&2; }
 
+# Exercise shuf's -i option.
+shuf -i 1-100 > out || fail=1
+cmp in out > /dev/null && { fail=1; echo "not random?" 1>&2; }
+sort -n out > out1
+cmp in out1 || { fail=1; echo "not a permutation" 1>&2; }
+
+# Exercise shuf's -e option.
+t=`shuf -e a b c d e | sort | fmt`
+test "$t" = 'a b c d e' || { fail=1; echo "not a permutation" 1>&2; }
+
 # Before coreutils-6.3, this would infloop.
-# "seq 1860" produces 8193 bytes of output.
+# "seq 1860" produces 8193 (8K + 1) bytes of output.
 seq 1860 | shuf > /dev/null || fail=1
 
 (exit $fail); exit $fail