Add fileno()

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1985 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 66 insertions, 1 deletions

diff --git a/nuttx/lib/Makefile b/nuttx/lib/Makefile
index 0255234ac..27fdd3b0c 100644
--- a/nuttx/lib/Makefile
+++ b/nuttx/lib/Makefile
@@ -53,7 +53,7 @@ STRING_SRCS	= lib_checkbase.c lib_isbasedigit.c lib_memset.c lib_memcpy.c \
 
 CTYPE_SRCS	= 
 
-STDIO_SRCS	= lib_printf.c lib_rawprintf.c lib_lowprintf.c \
+STDIO_SRCS	= lib_fileno.c lib_printf.c lib_rawprintf.c lib_lowprintf.c \
 		  lib_sprintf.c lib_snprintf.c lib_libsprintf.c lib_vsprintf.c \
 		  lib_vsnprintf.c lib_libvsprintf.c lib_meminstream.c \
 		  lib_memoutstream.c lib_lowinstream.c lib_lowoutstream.c \
diff --git a/nuttx/lib/lib_fileno.c b/nuttx/lib/lib_fileno.c
new file mode 100644
index 000000000..b91798974
--- /dev/null
+++ b/nuttx/lib/lib_fileno.c
@@ -0,0 +1,65 @@
+/****************************************************************************
+ * lib/lib_fileno.c
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 <sys/types.h>
+
+#include <stdio.h>
+#include <errno.h>
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+int ileno(FAR FILE *stream)
+{
+  int ret = -1;
+  if (stream)
+    {
+      ret = stream->fs_filedes;
+    }
+
+  if (ret < 0)
+    {
+      errno = EBADF;
+      return ERROR;
+    }
+  return ret;
+}
+