Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > gnu.bash.bug > #11496

Re: SHLVL is a random string (uninitialized string in C) when its true value is "1000"

From Chet Ramey <chet.ramey@case.edu>
Newsgroups gnu.bash.bug
Subject Re: SHLVL is a random string (uninitialized string in C) when its true value is "1000"
Date 2015-09-17 11:06 -0400
Message-ID <mailman.1319.1442502413.19560.bug-bash@gnu.org> (permalink)
References <B54EDF15-7279-465C-81F0-E5941F83C4EF@qq.com>

Show all headers | View raw


On 9/17/15 12:29 AM, ziyunfei wrote:
> $ SHLVL=998 bash -c 'echo $SHLVL'
> 999
> $ SHLVL=999 bash -c 'echo $SHLVL'
> 
> $ SHLVL=999 bash -c 'echo -n "$SHLVL" | hexdump'
> 0b 01
> $ SHLVL=999 bash -c 'echo -n "$SHLVL" | hexdump'
> 0f 01
> $ SHLVL=999 bash -c 'echo -n "$SHLVL" | hexdump'
> 04 01
> $ SHLVL=1000 bash -c 'echo $SHLVL'
> bash: warning: shell level (1001) too high, resetting to 1
> 1

Thanks for the report.  That bug is old enough to vote in the US.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/

Back to gnu.bash.bug | Previous | Next | Find similar


Thread

Re: SHLVL is a random string (uninitialized string in C) when its true value is "1000" Chet Ramey <chet.ramey@case.edu> - 2015-09-17 11:06 -0400

csiph-web