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Only first previously deleted entry was recognized, leading hsearch_r
to think that there was no previously deleted entry. It then conluded
that a free entry was found, even if there were no free entries and it
overwrote a random entry.
This patch makes sure all deleted or free entries are always found and
also introduces constants for the 0 and -1 numbers. Unit tests to excersise a
simple hash table usage and catch the corruption were added.
To trash your environment, simply run this loop:
setenv i 0
while true; do
setenv v_$i $i
setenv v_$i
setexpr i $i + 1
done
Signed-off-by: Roman Kapl <rka@sysgo.com>
8 lines
145 B
Makefile
8 lines
145 B
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (c) 2015 National Instruments, Inc
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obj-y += cmd_ut_env.o
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obj-y += attr.o
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obj-y += hashtable.o
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