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nuttx/include/stdio.h
patacongo 3f1b80218e Restructure header files for POSIX compliance; eliminate compile warnings 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@107 42af7a65-404d-4744-a932-0658087f49c3
2007-03-20 16:51:12 +00:00

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/************************************************************
* stdio.h
*
* Copyright (C) 2007 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 Gregory Nutt 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.
*
************************************************************/
#ifndef __STDIO_H
#define __STDIO_H
/************************************************************
* Included Files
************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdarg.h>
#include <sched.h>
#include <semaphore.h>
#include <time.h>
#include <nuttx/fs.h>
/************************************************************
* Definitions
************************************************************/
/* File System Definitions **********************************/
/* File system error values *********************************/
#define EOF (-1)
/* The first three _iob entries are reserved for standard I/O */
#define stdin (&sched_getstreams()->sl_streams[0])
#define stdout (&sched_getstreams()->sl_streams[1])
#define stderr (&sched_getstreams()->sl_streams[2])
/* These APIs are not implemented and/or can be synthesized from
* supported APIs.
*/
#define putc(c,s) fputc((c),(s))
#define putchar(c) fputc(c, stdout)
#define getc(s) fgetc(s)
#define getchar() fgetc(stdin)
#define ftell(s) fseek((s),0,SEEK_CUR)
#define rewind(s) ((void)fseek((s),0,SEEK_SET))
/************************************************************
* Public Type Definitions
************************************************************/
struct stat
{
dev_t st_dev; /* ID of device containing a */
/* directory entry for this file */
ino_t st_ino; /* Inode number */
unsigned short st_mode; /* File type, attributes, and */
/* access control summary */
unsigned short st_nlink; /* Number of links */
uid_t st_uid; /* User ID of file owner */
gid_t st_gid; /* Group ID of file group */
dev_t st_rdev; /* Device ID; this entry defined */
/* only for char or blk spec files */
off_t st_size; /* File size (bytes) */
time_t st_atime; /* Time of last access */
time_t st_mtime; /* Last modification time */
time_t st_ctime; /* Last file status change time */
/* Measured in secs since */
/* 00:00:00 GMT, Jan 1, 1970 */
long st_blksize; /* Non-standard, Wind-River field */
unsigned long st_blocks; /* Non-standard, Wind-River field */
long st_gen; /* file generation value: Non-standard, Wind-River field */
};
struct statfs
{
long f_bavail; /* free blocks available to non-superuser */
long f_bfree; /* free blocks */
long f_blocks; /* total blocks in file system */
long f_bsize; /* fundamental file system block (bytes) */
long f_ffree; /* free file nodes in file system */
long f_files; /* total file nodes in file system */
long f_type; /* type of info, zero for now */
};
/* Streams */
typedef FAR struct file_struct FILE;
/************************************************************
* Public Variables
************************************************************/
/************************************************************
* Public Function Prototypes
************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/* ANSI-like File System Interfaces */
EXTERN int fclose(FILE *stream);
EXTERN int fflush(FILE *stream);
EXTERN int feof(FILE *stream);
EXTERN int ferror(FILE *stream);
EXTERN int fgetc(FILE *stream);
EXTERN char *fgets(char *s, int n, FILE *stream);
EXTERN FILE *fopen(const char *path, const char *type);
EXTERN int fprintf(FILE *stream, const char *format, ...);
EXTERN int fputc(int c, FILE *stream);
EXTERN int fputs(const char *s, FILE *stream);
EXTERN size_t fread(void *ptr, size_t size, size_t n_items,
FILE *stream);
EXTERN int fseek(FILE *stream, long int offset, int whence);
EXTERN size_t fwrite(const void *ptr, size_t size,
size_t n_items, FILE *stream);
EXTERN char *gets(char *s);
EXTERN int printf(const char *format, ...);
EXTERN int puts(const char *s);
EXTERN int rename(const char *source, const char *target);
EXTERN int sprintf(char *dest, const char *format, ...);
EXTERN int ungetc(int c, FILE *stream);
EXTERN int vprintf(const char *s, va_list ap);
EXTERN int vfprintf(FILE *stream, const char *s, va_list ap);
EXTERN int vsprintf(char *buf, const char *s, va_list ap);
/* POSIX-like File System Interfaces */
EXTERN int chdir(const char *path);
EXTERN FILE *fdopen(int fd, const char *type);
EXTERN int fstat(int fd, FAR struct stat *buf);
EXTERN char *getcwd(FAR char *buf, size_t size);
EXTERN int ioctl(int fd, int req, unsigned long arg);
EXTERN int mkdir(const char *path, mode_t mode);
EXTERN int rmdir(const char *path);
EXTERN int stat(const char *path, FAR struct stat *buf);
EXTERN int statfs(const char *path, FAR struct statfs *buf);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __STDIO_H */
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