1 files changed, 169 insertions, 0 deletions
diff --git a/nuttx/libc/stdio/lib_syslog.c b/nuttx/libc/stdio/lib_syslog.c
new file mode 100644
index 000000000..661c3b61e
--- /dev/null
+++ b/nuttx/libc/stdio/lib_syslog.c
@@ -0,0 +1,169 @@
+/****************************************************************************
+ * libc/stdio/lib_syslog.c
+ *
+ *   Copyright (C) 2007-2009, 2011-2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <syslog.h>
+
+#include "lib_internal.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Some output destinations are only available from within the kernel */
+
+#if defined(CONFIG_NUTTX_KERNEL) && !defined(__KERNEL__)
+#  undef CONFIG_SYSLOG
+#  undef CONFIG_ARCH_LOWPUTC
+#endif
+
+/****************************************************************************
+ * Private Type Declarations
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Constant Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Constant Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: vsyslog
+ ****************************************************************************/
+
+int vsyslog(const char *fmt, va_list ap)
+{
+#if defined(CONFIG_SYSLOG)
+
+  struct lib_outstream_s stream;
+
+  /* Wrap the low-level output in a stream object and let lib_vsprintf
+   * do the work.
+   */
+
+  lib_syslogstream((FAR struct lib_outstream_s *)&stream);
+  return lib_vsprintf((FAR struct lib_outstream_s *)&stream, fmt, ap);
+
+#elif CONFIG_NFILE_DESCRIPTORS > 0
+
+  struct lib_rawoutstream_s rawoutstream;
+
+  /* Wrap the stdout in a stream object and let lib_vsprintf
+   * do the work.
+   */
+
+  lib_rawoutstream(&rawoutstream, 1);
+  return lib_vsprintf(&rawoutstream.public, fmt, ap);
+
+#elif defined(CONFIG_ARCH_LOWPUTC)
+
+  struct lib_outstream_s stream;
+
+  /* Wrap the low-level output in a stream object and let lib_vsprintf
+   * do the work.
+   */
+
+  lib_lowoutstream((FAR struct lib_outstream_s *)&stream);
+  return lib_vsprintf((FAR struct lib_outstream_s *)&stream, fmt, ap);
+
+#else
+  return 0;
+#endif
+}
+
+/****************************************************************************
+ * Name: syslog
+ ****************************************************************************/
+
+int syslog(const char *fmt, ...)
+{
+  va_list ap;
+  int     ret;
+
+#ifdef CONFIG_SYSLOG_ENABLE
+  ret = 0;
+  if (g_syslogenable)
+#endif
+    {
+      va_start(ap, fmt);
+      ret = vsyslog(fmt, ap);
+      va_end(ap);
+    }
+
+  return ret;
+}
+
+
+/****************************************************************************
+ * Name: lib_rawvdprintf
+ ****************************************************************************/
+
+int lib_rawvdprintf(int fd, const char *fmt, va_list ap)
+{
+  /* Wrap the fd in a stream object and let lib_vsprintf
+   * do the work.
+   */
+  struct lib_rawoutstream_s rawoutstream;
+  lib_rawoutstream(&rawoutstream, fd);
+  return lib_vsprintf(&rawoutstream.public, fmt, ap);
+}