On Wed, 09 Feb 2022 15:58:26 +0100 Thomas Monjalon <tho...@monjalon.net> wrote:
> 02/02/2022 20:47, Stephen Hemminger: > > The rte_eal_init function looks at argv[0] to determine > > the program name to pass to the log init function. > > This is both unnecessary and in a corner case a problem. > > > > Parsing argv[0] is unnecessary because the function openlog() > > already determines the log identifier from program name if > > NULL is passed, see openlog man page: > > The string pointed to by ident is prepended to every message, and is > > typically set to the program name. If ident is NULL, the program name > > is used. (POSIX.1-2008 does not specify the behavior when ident is > > NULL.) > > What about POSIX warning? > Did you test it? Which libc? What about musl? Source for musl shows that openlog accepts NULL as ident. It then generates log messages with ident in the message.