Shorten error text of ECGOTHER

Let's reformat cgroup_strerror output from

	Cgroup generic error, error message: Device or resource busy

to shorter and clearer

	Device or resource busy

The patch assumes that _GNU_SOURCE is defined.

Signed-off-by: Jan Safranek <jsafrane@redhat.com>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/src/api.c b/src/api.c
index 4847678..fef0e76 100644
--- a/src/api.c
+++ b/src/api.c
@@ -2505,10 +2505,7 @@ char *cgroup_strerror(int code)
 {
 	assert((code >= ECGROUPNOTCOMPILED) && (code < ECGSENTINEL));
 	if (code == ECGOTHER) {
-		snprintf(errtext, MAXLEN, "%s, error message: %s",
-			cgroup_strerror_codes[code % ECGROUPNOTCOMPILED],
-			strerror(cgroup_get_last_errno()));
-		return errtext;
+		return strerror_r(cgroup_get_last_errno(), errtext, MAXLEN);
 	}
 	return cgroup_strerror_codes[code % ECGROUPNOTCOMPILED];
 }