program_invocation_name

[Eric Blake <eblake at redhat dot com>]

Porting of some programs originally written for glibc over to cygwin
would be easier if cygwin could provide the global variables char*
program_invocation_{short_,}name, set automatically to match argv[0] of
main(), and declared in <errno.h> when strict standards compliance isn't
requested.  Is it worth my time to go ahead and submit a patch to add
this?  Or is our party line still that as long as you are using
non-portable means, you should just continue to use
readlink("/proc/self/exe") when porting to cygwin?

-- 
Eric Blake   eblake@redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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