[LTP] Fix digsig so it passes -Wshadow

[LTP] Fix digsig so it passes -Wshadow

[Garrett Cooper]

clone(2) is externally defined in sched.h, and as such
testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
compile with -Wall due to a shadowed declaration.

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>

Index: writeexec/libwritetest.c
===================================================================
RCS file: /cvsroot/ltp/ltp/testcases/kernel/security/digsig/writeexec/libwritetest.c,v
retrieving revision 1.1
diff -u -r1.1 libwritetest.c
--- writeexec/libwritetest.c	1 Nov 2005 16:09:43 -0000	1.1
+++ writeexec/libwritetest.c	31 Jul 2009 06:30:49 -0000
@@ -9,8 +9,6 @@
 #include <dlfcn.h>
 #include <wait.h>

-int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
-
 int writer(void *data)
 {
 	int fd;

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Re: [LTP] Fix digsig so it passes -Wshadow

[Garrett Cooper]

On Thu, Jul 30, 2009 at 11:33 PM, Garrett Cooper<yanegomi@gmail.com> wrote:
> clone(2) is externally defined in sched.h, and as such
> testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
> compile with -Wall due to a shadowed declaration.
>
> Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
>
> Index: writeexec/libwritetest.c
> ===================================================================
> RCS file: /cvsroot/ltp/ltp/testcases/kernel/security/digsig/writeexec/libwritetest.c,v
> retrieving revision 1.1
> diff -u -r1.1 libwritetest.c
> --- writeexec/libwritetest.c    1 Nov 2005 16:09:43 -0000       1.1
> +++ writeexec/libwritetest.c    31 Jul 2009 06:30:49 -0000
> @@ -9,8 +9,6 @@
>  #include <dlfcn.h>
>  #include <wait.h>
>
> -int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
> -
>  int writer(void *data)
>  {
>        int fd;

Instead of this, let me do a general purpose `fix' for digsig. There
are a few other issues that need to be resolved.
-Garrett

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Re: [LTP] Fix digsig so it passes -Wshadow

[Serge E. Hallyn]

Quoting Garrett Cooper (yanegomi@gmail.com):
> On Thu, Jul 30, 2009 at 11:33 PM, Garrett Cooper<yanegomi@gmail.com> wrote:
> > clone(2) is externally defined in sched.h, and as such
> > testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
> > compile with -Wall due to a shadowed declaration.
> >
> > Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
> >
> > Index: writeexec/libwritetest.c
> > ===================================================================
> > RCS file: /cvsroot/ltp/ltp/testcases/kernel/security/digsig/writeexec/libwritetest.c,v
> > retrieving revision 1.1
> > diff -u -r1.1 libwritetest.c
> > --- writeexec/libwritetest.c    1 Nov 2005 16:09:43 -0000       1.1
> > +++ writeexec/libwritetest.c    31 Jul 2009 06:30:49 -0000
> > @@ -9,8 +9,6 @@
> >  #include <dlfcn.h>
> >  #include <wait.h>
> >
> > -int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
> > -
> >  int writer(void *data)
> >  {
> >        int fd;
> 
> Instead of this, let me do a general purpose `fix' for digsig. There
> are a few other issues that need to be resolved.
> -Garrett

Alternatively, since digsig never went upstream and isn't being
maintained, it might be best to drop this from LTP.  <sniff>

-serge

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Re: [LTP] Fix digsig so it passes -Wshadow

[Subrata Modak]

On Fri, 2009-07-31 at 09:36 -0500, Serge E. Hallyn wrote: 
> Quoting Garrett Cooper (yanegomi@gmail.com):
> > On Thu, Jul 30, 2009 at 11:33 PM, Garrett Cooper<yanegomi@gmail.com> wrote:
> > > clone(2) is externally defined in sched.h, and as such
> > > testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
> > > compile with -Wall due to a shadowed declaration.
> > >
> > > Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
> > >
> > > Index: writeexec/libwritetest.c
> > > ===================================================================
> > > RCS file: /cvsroot/ltp/ltp/testcases/kernel/security/digsig/writeexec/libwritetest.c,v
> > > retrieving revision 1.1
> > > diff -u -r1.1 libwritetest.c
> > > --- writeexec/libwritetest.c    1 Nov 2005 16:09:43 -0000       1.1
> > > +++ writeexec/libwritetest.c    31 Jul 2009 06:30:49 -0000
> > > @@ -9,8 +9,6 @@
> > >  #include <dlfcn.h>
> > >  #include <wait.h>
> > >
> > > -int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
> > > -
> > >  int writer(void *data)
> > >  {
> > >        int fd;
> > 
> > Instead of this, let me do a general purpose `fix' for digsig. There
> > are a few other issues that need to be resolved.
> > -Garrett
> 
> Alternatively, since digsig never went upstream and isn't being
> maintained, it might be best to drop this from LTP.  <sniff>

Oh. Is it ? So, should i finally drop this from LTP ?

Regards--
Subrata

> 
> -serge
> 
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Re: [LTP] Fix digsig so it passes -Wshadow

[Serge E. Hallyn]

Quoting Subrata Modak (subrata@linux.vnet.ibm.com):
> On Fri, 2009-07-31 at 09:36 -0500, Serge E. Hallyn wrote: 
> > Quoting Garrett Cooper (yanegomi@gmail.com):
> > > On Thu, Jul 30, 2009 at 11:33 PM, Garrett Cooper<yanegomi@gmail.com> wrote:
> > > > clone(2) is externally defined in sched.h, and as such
> > > > testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
> > > > compile with -Wall due to a shadowed declaration.
> > > >
> > > > Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
> > > >
> > > > Index: writeexec/libwritetest.c
> > > > ===================================================================
> > > > RCS file: /cvsroot/ltp/ltp/testcases/kernel/security/digsig/writeexec/libwritetest.c,v
> > > > retrieving revision 1.1
> > > > diff -u -r1.1 libwritetest.c
> > > > --- writeexec/libwritetest.c    1 Nov 2005 16:09:43 -0000       1.1
> > > > +++ writeexec/libwritetest.c    31 Jul 2009 06:30:49 -0000
> > > > @@ -9,8 +9,6 @@
> > > >  #include <dlfcn.h>
> > > >  #include <wait.h>
> > > >
> > > > -int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
> > > > -
> > > >  int writer(void *data)
> > > >  {
> > > >        int fd;
> > > 
> > > Instead of this, let me do a general purpose `fix' for digsig. There
> > > are a few other issues that need to be resolved.
> > > -Garrett
> > 
> > Alternatively, since digsig never went upstream and isn't being
> > maintained, it might be best to drop this from LTP.  <sniff>
> 
> Oh. Is it ? So, should i finally drop this from LTP ?

I fear so.  Unless someone on disec-devel@ disagrees?

-serge

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Re: [LTP] Fix digsig so it passes -Wshadow

[Subrata Modak]

On Mon, 2009-08-03 at 09:17 -0500, Serge E. Hallyn wrote: 
> Quoting Subrata Modak (subrata@linux.vnet.ibm.com):
> > On Fri, 2009-07-31 at 09:36 -0500, Serge E. Hallyn wrote: 
> > > Quoting Garrett Cooper (yanegomi@gmail.com):
> > > > On Thu, Jul 30, 2009 at 11:33 PM, Garrett Cooper<yanegomi@gmail.com> wrote:
> > > > > clone(2) is externally defined in sched.h, and as such
> > > > > testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
> > > > > compile with -Wall due to a shadowed declaration.
> > > > >
> > > > > Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
> > > > >
> > > > > Index: writeexec/libwritetest.c
> > > > > ===================================================================
> > > > > RCS file: /cvsroot/ltp/ltp/testcases/kernel/security/digsig/writeexec/libwritetest.c,v
> > > > > retrieving revision 1.1
> > > > > diff -u -r1.1 libwritetest.c
> > > > > --- writeexec/libwritetest.c    1 Nov 2005 16:09:43 -0000       1.1
> > > > > +++ writeexec/libwritetest.c    31 Jul 2009 06:30:49 -0000
> > > > > @@ -9,8 +9,6 @@
> > > > >  #include <dlfcn.h>
> > > > >  #include <wait.h>
> > > > >
> > > > > -int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
> > > > > -
> > > > >  int writer(void *data)
> > > > >  {
> > > > >        int fd;
> > > > 
> > > > Instead of this, let me do a general purpose `fix' for digsig. There
> > > > are a few other issues that need to be resolved.
> > > > -Garrett
> > > 
> > > Alternatively, since digsig never went upstream and isn't being
> > > maintained, it might be best to drop this from LTP.  <sniff>
> > 
> > Oh. Is it ? So, should i finally drop this from LTP ?
> 
> I fear so.  Unless someone on disec-devel@ disagrees?

Done.

Regards--
Subrata

> 
> -serge


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Re: [LTP] Fix digsig so it passes -Wshadow

[Serge E. Hallyn]

Quoting Garrett Cooper (yanegomi@gmail.com):
> clone(2) is externally defined in sched.h, and as such
> testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
> compile with -Wall due to a shadowed declaration.
> 
> Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
> 
> Index: writeexec/libwritetest.c
> ===================================================================
> RCS file: /cvsroot/ltp/ltp/testcases/kernel/security/digsig/writeexec/libwritetest.c,v
> retrieving revision 1.1
> diff -u -r1.1 libwritetest.c
> --- writeexec/libwritetest.c	1 Nov 2005 16:09:43 -0000	1.1
> +++ writeexec/libwritetest.c	31 Jul 2009 06:30:49 -0000
> @@ -9,8 +9,6 @@
>  #include <dlfcn.h>
>  #include <wait.h>
> 
> -int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
> -
>  int writer(void *data)
>  {
>  	int fd;

Sure, as long as that's now the case on all distros.  Historically it
hasn't been.  But if it's not we'll presumably hear about it.

-serge

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Re: [LTP] Fix digsig so it passes -Wshadow

[Mike Frysinger]

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On Friday 31 July 2009 10:35:44 Serge E. Hallyn wrote:
> Quoting Garrett Cooper (yanegomi@gmail.com):
> > clone(2) is externally defined in sched.h, and as such
> > testcases/kernel/security/digsig/writeexec/libwritetest.c fails to
> > compile with -Wall due to a shadowed declaration.
> >
> > Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
> >
> > --- writeexec/libwritetest.c	1 Nov 2005 16:09:43 -0000	1.1
> > +++ writeexec/libwritetest.c	31 Jul 2009 06:30:49 -0000
> > @@ -9,8 +9,6 @@
> >  #include <dlfcn.h>
> >  #include <wait.h>
> >
> > -int clone(int (*fn)(void *), void *child_stack, int flags, void *arg);
> > -
> >  int writer(void *data)
> >  {
> >  	int fd;
>
> Sure, as long as that's now the case on all distros.  Historically it
> hasn't been.  But if it's not we'll presumably hear about it.

except clone() is not safe to use directly as it isnt the same on all arches.  
we really need a wrapper for this in ltp.
-mike

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