On Tue, Mar 29, 2016 at 07:06:09PM +0800, "Zhou, Wenjian/周文剑" wrote:
> On 03/25/2016 06:48 AM, Dmitry V. Levin wrote:
> > On Wed, Mar 23, 2016 at 04:56:37PM +0800, Zhou Wenjian wrote:
> >> --- /dev/null
> >> +++ b/tests/option_u.test
> >> @@ -0,0 +1,13 @@
> >> +#!/bin/sh
> >> +
> >> +# Check option -u.
> >> +
> >> +. "${srcdir=.}/init.sh"
> >> +
> >> +user=$(tail -n 1 /etc/passwd | awk -F ":" '{print $1}')
> >
> > What is it?
>
> It is used to get a user's name.
> Then use strace tracing "whoami".
> If -u option works, the output of "whoami" will be the user's name.In other words, you tell strace to switch to a random user and then you check whether it worked out or not. Do you have to run the test as root to make it work as you've described? -- ldv
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