[PATCH 03/15] prlimit: fix diagnostic when setting current PIDs resources fails

[Bernhard Voelker <mail@bernhard-voelker.de>]

[PATCH 03/15] prlimit: fix diagnostic when setting current PIDs 
resources fails

Avoids wrong message:
$ prlimit --nofile=16000
prlimit: failed to get resource limits for PID 0: Operation not permitted

Signed-off-by: Bernhard Voelker <mail@bernhard-voelker.de>
---
  sys-utils/prlimit.c |    8 ++++++--
  1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/sys-utils/prlimit.c b/sys-utils/prlimit.c
index 525351a..6943d11 100644
--- a/sys-utils/prlimit.c
+++ b/sys-utils/prlimit.c
@@ -320,8 +320,12 @@ static void do_prlimit(struct prlimit lims[], 
size_t n, int tt_flags)
  				printf(":%ju>\n", new->rlim_max);
  		}

-		if (prlimit(pid, lims[i].desc->resource, new, &lims[i].rlim) == -1)
-			err(EXIT_FAILURE, _("failed to get resource limits for PID %d"), pid);
+		if (prlimit(pid, lims[i].desc->resource, new, &lims[i].rlim) == -1) {
+			if (pid)
+				err(EXIT_FAILURE, _("failed to get resource limits for PID %d"), pid);
+			else
+				err(EXIT_FAILURE, _("failed to get resource limits of the current 
process"));
+		}
  	}

  	if (nshows)