On 2/8/18 11:58 PM, Serhey Popovych wrote:
> To show only relevant diffs of ip and ipv6 variants help message print
> routines needs to be unified and improved.
>
> Get rid of print_usage() and usage() wrappers: use single function to
> output help message. As side effect we return -1 from parse function
> instead of calling exit(2) in case of "... tunnel <help|garbage>" is
> found.
>
> Additionally we get pointer to @struct link_util and can directly access
> ->id information to prepare customized help message.
>
> Split calls to fprintf() two group: one that contains format string with
> specifiers (thus requiring parameters) and another one that does not.
> This helps compiler to optimize calls to fprintf() with fputs() when no
> format specifiers in string. Do not use fputs() directly to keep code
> formatting nice.
>
> After this series applied following diffs:
>
> # diff -urN ip/link_gre{,6}.c
> # diff -urN ip/link_vti{,6}.c
> # diff -urN ip/link_ip{,6}tnl.c
>
> in scope of help print routines reduced to necessary minimum.
>
> Tested minimally by compiling and executing "ip link help <kind>" and
> "ip link add type help" commands. Looks correct.
>
series applied to iproute2-next
