diff options
Diffstat (limited to 'nuttx/lib/stdio/lib_ferror.c')
-rw-r--r-- | nuttx/lib/stdio/lib_ferror.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/nuttx/lib/stdio/lib_ferror.c b/nuttx/lib/stdio/lib_ferror.c deleted file mode 100644 index 4ad7d8cfc..000000000 --- a/nuttx/lib/stdio/lib_ferror.c +++ /dev/null @@ -1,90 +0,0 @@ -/**************************************************************************** - * lib/stdio/lib_ferror.c - * - * Copyright (C) 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <stdio.h> -#include <errno.h> - -#include <nuttx/fs/fs.h> - -#if CONFIG_NFILE_STREAMS > 0 - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: ferror - * - * Description: - * This function will test if the last operation resulted in an eror. This - * is used to disambiguate EOF and error conditions. - * - * Return Value: - * A non-zero value is returned to indicate the error condition. - * - ****************************************************************************/ - -int ferror(FILE *stream) -{ -#if 0 - /* If an error is encountered by any of the C-buffered I/O functions, they - * should set the __FS_FLAG_ERROR in the fs_flags field of struct - * file_struct. - */ - - return (stream->fs_flags & __FS_FLAG_ERROR) != 0; -#else - /* However, nothing currenlty sets the __FS_FLAG_ERROR flag (that is a job - * for another day). The __FS_FLAG_EOF is set by operations that perform - * read operations. Since ferror() is probably only called to disambiguate - * the meaning of other functions that return EOF, to indicate either EOF or - * an error, just testing for not EOF is probably sufficient for now. - * - * This approach would not work if ferror() is called in other contexts. In - * those cases, ferror() will always report an error. - */ - - return (stream->fs_flags & __FS_FLAG_EOF) == 0; -#endif -} - -#endif /* CONFIG_NFILE_STREAMS */ - |