On 12/06/2010 04:06 AM, Daniel P. Berrange wrote:
>> libvirt.c: In function 'virDomainOpenConsole':
>> libvirt.c:13169: warning: declaration of 'devname' shadows a global
declaration [-Wshadow]
>> /usr/include/stdlib.h:290: warning: shadowed declaration is here [-Wshadow]
>
> Yuck. 'devname' is just too handy to be penalized by BSD's namespace
> pollution. What if we instead do this in internal.h:
>
> #include <stdlib.h>
> /* Silence -Wshadow on BSD systems, which declare a devname() that we
> * don't care about */
> #define devname vir_devname
>
> then all other shadowing warnings should just go away, without us having
> to worry about the problem cropping up again.
I dunno, I'd just change our variable to dname, or devicename.
The problem is that most development is done on glibc systems where
devname is not a shadowing issue, so we risk re-introducing the problem
for the next person who tries to build on BSD. Performing the rename
via #define up front avoids the problem, while leaving the obvious
variable name for easy use in the rest of code (then again, for gdb
purposes, a #define rename should only be done when HAVE_DECL_DEVNAME,
so as not to make debugging confusing on glibc systems).
--
Eric Blake eblake(a)redhat.com +1-801-349-2682
Libvirt virtualization library
http://libvirt.org