1 files changed, 130 insertions, 0 deletions
diff --git a/nuttx/lib/stdio/lib_puts.c b/nuttx/lib/stdio/lib_puts.c
new file mode 100644
index 000000000..e63a63917
--- /dev/null
+++ b/nuttx/lib/stdio/lib_puts.c
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+/****************************************************************************
+ * lib/stdio/lib_puts.c
+ *
+ *   Copyright (C) 2007, 2008, 2011-2012 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Compilation Switches
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include "lib_internal.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Type Declarations
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Constant Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Constant Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: puts
+ *
+ * Description:
+ *   puts() writes the string s and a trailing newline to stdout.
+ *
+ ****************************************************************************/
+
+int puts(FAR const char *s)
+{
+  FILE *stream = stdout;
+  int nwritten;
+  int nput = EOF;
+  int ret;
+
+  /* Write the string (the next two steps must be atomic) */
+
+  lib_take_semaphore(stream);
+
+  /* Write the string without its trailing '\0' */
+
+  nwritten = fputs(s, stream);
+  if (nwritten > 0)
+    {
+      /* Followed by a newline */
+
+      char newline = '\n';
+      ret = lib_fwrite(&newline, 1, stream);
+      if (ret > 0)
+        {
+          nput = nwritten + 1;
+
+          /* Flush the buffer after the newline is output. */
+
+#ifdef CONFIG_STDIO_LINEBUFFER
+          ret = lib_fflush(stream, true);
+          if (ret < 0)
+            {
+              nput = EOF;
+            }
+#endif
+        }
+    }
+
+  lib_give_semaphore(stdout);
+  return nput;
+}
+