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bin/47547: hexdump typo

>Number:         47547
>Category:       bin
>Synopsis:       hexdump typo
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Feb 09 02:45:00 +0000 2013
>Originator:     William Ahern
>Release:        NetBSD 5.1.2
NetBSD  5.1.2 NetBSD 5.1.2 (GENERIC) #0: Thu Feb  2 12:12:28 UTC 2012

usr.bin/hexdump/conv.c contains a 20-year-old typo, near line 108 in trunk. The 
list[] array spells the ASCII label "dc1" as "dcl". Note the letter "l" versus 
number "1".

I've reported this bug to FreeBSD, OpenBSD, and Debian (which repackages BSD 
hexdump). Apple appears to have quietly fixed their copy in OS X.

I discovered this bug while testing my own implementation at

hexdump -e '16 "%3_u " "\n"' /dev/urandom | grep -e dcl -e dc1 | head
Fix typo.

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