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Add fileno()

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1985 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2009-07-13 01:35:15 +00:00
parent 470cba238e
commit 485c3066e1
8 changed files with 241 additions and 6 deletions
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lib/Makefile
+1 -1
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@@ -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 \
lib/lib_fileno.c
+65
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@@ -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;
}