nfsidmap: fix error reporting for nfs4_* family of functions

Errors were logged with xlog_err function relying on errno, but these
functions don't set it.

Fix the problem by introducing xlog_errno which set errno

Signed-off-by: Mateusz Guzik <mguzik@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/support/nfs/xlog.c b/support/nfs/xlog.c
index 83d07e1..594ae9b 100644
--- a/support/nfs/xlog.c
+++ b/support/nfs/xlog.c
@@ -27,6 +27,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <syslog.h>
+#include <errno.h>
 #include "nfslib.h"
 
 #undef	VERBOSE_PRINTF
@@ -220,3 +221,14 @@ xlog_err(const char* fmt, ...)
 	xlog_backend(L_FATAL, fmt, args);
 	va_end(args);
 }
+
+void
+xlog_errno(int err, const char *fmt, ...)
+{
+	va_list args;
+
+	errno = err;
+	va_start(args, fmt);
+	xlog_backend(L_FATAL, fmt, args);
+	va_end(args);
+}