prlimit: fix error message

 - differentiate between set and get operations
 - add limit name to the error message
 - remove PID from the message (whole util works always with only one
   PID, so this info is superfluous)

Reported-by: Bernhard Voelker <mail@bernhard-voelker.de>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/sys-utils/prlimit.c b/sys-utils/prlimit.c
index fed4f382c233a563213d25cac19252daebdccc0a..02e520a3bcbd88df82863e18ff58159a2ed8eee9 100644 (file)
--- a/sys-utils/prlimit.c
+++ b/sys-utils/prlimit.c
@@ -294,7 +294,6 @@ done:
        return 0;
 }
 
-
 static void do_prlimit(struct prlimit lims[], size_t n, int tt_flags)
 {
        size_t i, nshows = 0;
@@ -321,7 +320,10 @@ static void do_prlimit(struct prlimit lims[], size_t n, int tt_flags)
                }
 
                if (prlimit(pid, lims[i].desc->resource, new, &lims[i].rlim) == -1)
-                       err(EXIT_FAILURE, _("failed to get resource limits for PID %d"), pid);
+                       err(EXIT_FAILURE, lims[i].modify ?
+                               _("failed to set the %s resource limit") :
+                               _("failed to get the %s resource limit"),
+                               lims[i].desc->name);
        }
 
        if (nshows)