From afd7a8d744b29daaedbba1969307bd9ce17e7dc3 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Thu, 9 Oct 2008 16:29:44 +0000
Subject: hush: fix environment and memory leaks, add tests for them

function                                             old     new   delta
add_malloced_string_to_strings                         -     110    +110
run_list                                            1999    2086     +87
free_strings_and_unsetenv                              -      87     +87
hush_version_str                                       -      18     +18
pseudo_exec_argv                                     139     146      +7
static.version_str                                    17       -     -17
free_pipe                                            237     210     -27
done_word                                            790     642    -148
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/2 up/down: 309/-192)          Total: 117 bytes
---
 shell/hush_test/hush-z_slow/leak_var2.tests | 63 +++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100755 shell/hush_test/hush-z_slow/leak_var2.tests

(limited to 'shell/hush_test/hush-z_slow/leak_var2.tests')

diff --git a/shell/hush_test/hush-z_slow/leak_var2.tests b/shell/hush_test/hush-z_slow/leak_var2.tests
new file mode 100755
index 000000000..09f247552
--- /dev/null
+++ b/shell/hush_test/hush-z_slow/leak_var2.tests
@@ -0,0 +1,63 @@
+pid=$$
+
+t=1
+export t
+
+# Warm up
+beg=`ps -o pid,vsz | grep "^ *$pid "`
+i=1
+while test $i != X; do
+    t=111111111111111111111111111111111111111111111111111111111111111111111110$i
+    t=111111111111111111111111111111111111111111111111111111111111111111111111$i true
+    t=111111111111111111111111111111111111111111111111111111111111111111111112$i /bin/true
+    t=111111111111111111111111111111111111111111111111111111111111111111111113$i exec 1>&1
+    i=1$i
+    if test $i = 1111111111111111111111111111111111111111111111; then i=2; fi
+    if test $i = 1111111111111111111111111111111111111111111112; then i=3; fi
+    if test $i = 1111111111111111111111111111111111111111111113; then i=4; fi
+    if test $i = 1111111111111111111111111111111111111111111114; then i=X; fi
+done
+end=`ps -o pid,vsz | grep "^ *$pid "`
+
+# Warm up again (I do need it on my machine)
+beg=`ps -o pid,vsz | grep "^ *$pid "`
+i=1
+while test $i != X; do
+    t=111111111111111111111111111111111111111111111111111111111111111111111110$i
+    t=111111111111111111111111111111111111111111111111111111111111111111111111$i true
+    t=111111111111111111111111111111111111111111111111111111111111111111111112$i /bin/true
+    t=111111111111111111111111111111111111111111111111111111111111111111111113$i exec 1>&1
+    i=1$i
+    if test $i = 1111111111111111111111111111111111111111111111; then i=2; fi
+    if test $i = 1111111111111111111111111111111111111111111112; then i=3; fi
+    if test $i = 1111111111111111111111111111111111111111111113; then i=4; fi
+    if test $i = 1111111111111111111111111111111111111111111114; then i=X; fi
+done
+end=`ps -o pid,vsz | grep "^ *$pid "`
+if test "$beg" != "$end"; then
+    true echo "vsz grows: $beg -> $end"
+else
+    true echo "vsz does not grow"
+fi
+
+echo "Measuring memory leak..."
+beg=`ps -o pid,vsz | grep "^ *$pid "`
+i=1
+while test $i != X; do
+    t=111111111111111111111111111111111111111111111111111111111111111111111110$i
+    t=111111111111111111111111111111111111111111111111111111111111111111111111$i true
+    t=111111111111111111111111111111111111111111111111111111111111111111111112$i /bin/true
+    t=111111111111111111111111111111111111111111111111111111111111111111111113$i exec 1>&1
+    i=1$i
+    if test $i = 1111111111111111111111111111111111111111111111; then i=2; fi
+    if test $i = 1111111111111111111111111111111111111111111112; then i=3; fi
+    if test $i = 1111111111111111111111111111111111111111111113; then i=4; fi
+    if test $i = 1111111111111111111111111111111111111111111114; then i=X; fi
+done
+end=`ps -o pid,vsz | grep "^ *$pid "`
+
+if test "$beg" != "$end"; then
+    echo "vsz grows: $beg -> $end"
+else
+    echo "vsz does not grow"
+fi
-- 
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