util: New function ovs_fatal_valist().

This commit adds a few initial users but more are coming up.

2 files changed, 9 insertions, 2 deletions

diff --git a/lib/util.c b/lib/util.c
index b9dbdc480..c05c582fe 100644
--- a/lib/util.c
+++ b/lib/util.c
@@ -204,9 +204,14 @@ ovs_fatal(int err_no, const char *format, ...)
     va_list args;
 
     va_start(args, format);
-    ovs_error_valist(err_no, format, args);
-    va_end(args);
+    ovs_fatal_valist(err_no, format, args);
+}
 
+/* Same as ovs_fatal() except that the arguments are supplied as a va_list. */
+void
+ovs_fatal_valist(int err_no, const char *format, va_list args)
+{
+    ovs_error_valist(err_no, format, args);
     exit(EXIT_FAILURE);
 }
 
diff --git a/lib/util.h b/lib/util.h
index e53398754..9c2352ffd 100644
--- a/lib/util.h
+++ b/lib/util.h
@@ -155,6 +155,8 @@ void ovs_abort(int err_no, const char *format, ...)
     PRINTF_FORMAT(2, 3) NO_RETURN;
 void ovs_fatal(int err_no, const char *format, ...)
     PRINTF_FORMAT(2, 3) NO_RETURN;
+void ovs_fatal_valist(int err_no, const char *format, va_list)
+    PRINTF_FORMAT(2, 0) NO_RETURN;
 void ovs_error(int err_no, const char *format, ...) PRINTF_FORMAT(2, 3);
 void ovs_error_valist(int err_no, const char *format, va_list)
     PRINTF_FORMAT(2, 0);