Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / core / log.c

diff --git a/qemu/roms/ipxe/src/core/log.c b/qemu/roms/ipxe/src/core/log.c
new file mode 100644 (file)
index 0000000..f160b4f
--- /dev/null
+++ b/qemu/roms/ipxe/src/core/log.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * System logger
+ *
+ */
+
+#include <stdarg.h>
+#include <syslog.h>
+#include <ipxe/console.h>
+
+/**
+ * Write message to system log
+ *
+ * @v fmt              Format string
+ * @v args             Arguments
+ */
+void log_vprintf ( const char *fmt, va_list args ) {
+       int saved_usage;
+
+       /* Mark console as in use for log messages */
+       saved_usage = console_set_usage ( CONSOLE_USAGE_LOG );
+
+       /* Print message */
+       vprintf ( fmt, args );
+
+       /* Restore console usage */
+       console_set_usage ( saved_usage );
+}
+
+/**
+ * Write message to system log
+ *
+ * @v fmt              Format string
+ * @v ...              Arguments
+ */
+void log_printf ( const char *fmt, ... ) {
+       va_list args;
+
+       va_start ( args, fmt );
+       log_vprintf ( fmt, args );
+       va_end ( args );
+}