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nuttx/include/stdio.h
Xiang Xiao f8a809eb5b Fix nxstyle issue 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-05-01 10:43:47 -03:00

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/****************************************************************************
* include/stdio.h
*
* Copyright (C) 2007-2009, 2011, 2013-2015, 2018-2019 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.
*
****************************************************************************/
#ifndef __INCLUDE_STDIO_H
#define __INCLUDE_STDIO_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdarg.h>
#include <sched.h>
#include <time.h>
#include <nuttx/fs/fs.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* File System Definitions **************************************************/
#define FILENAME_MAX _POSIX_NAME_MAX
/* The (default) size of the I/O buffers */
#if defined(CONFIG_STDIO_BUFFER_SIZE) && CONFIG_STDIO_BUFFER_SIZE > 0
# define BUFSIZ CONFIG_STDIO_BUFFER_SIZE
#else
# define BUFSIZ 64
#endif
/* The following three definitions are for ANSI C, used by setvbuf */
#define _IOFBF 0 /* Fully buffered */
#define _IOLBF 1 /* Line buffered */
#define _IONBF 2 /* Unbuffered */
/* 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 rewind(s) ((void)fseek((s),0,SEEK_SET))
/* Path to the directory where temporary files can be created */
#ifndef CONFIG_LIBC_TMPDIR
# define CONFIG_LIBC_TMPDIR "/tmp"
#endif
#define P_tmpdir CONFIG_LIBC_TMPDIR
/* Maximum size of character array to hold tmpnam() output. */
#ifndef CONFIG_LIBC_MAX_TMPFILE
# define CONFIG_LIBC_MAX_TMPFILE 32
#endif
#define L_tmpnam CONFIG_LIBC_MAX_TMPFILE
/* The maximum number of unique temporary file names that can be generated */
#define TMP_MAX 56800235584ull
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/* Streams */
typedef struct file_struct FILE;
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/* ANSI-like File System Interfaces */
/* Operations on streams (FILE) */
void clearerr(register FILE *stream);
int fclose(FAR FILE *stream);
int fflush(FAR FILE *stream);
int feof(FAR FILE *stream);
int ferror(FAR FILE *stream);
int fileno(FAR FILE *stream);
int fgetc(FAR FILE *stream);
int fgetpos(FAR FILE *stream, FAR fpos_t *pos);
char *fgets(FAR char *s, int n, FAR FILE *stream);
FAR FILE *fopen(FAR const char *path, FAR const char *type);
int fprintf(FAR FILE *stream, FAR const IPTR char *format, ...);
int fputc(int c, FAR FILE *stream);
int fputs(FAR const char *s, FAR FILE *stream);
size_t fread(FAR void *ptr, size_t size, size_t n_items, FAR FILE *stream);
FAR FILE *freopen(FAR const char *path, FAR const char *mode,
FAR FILE *stream);
int fscanf(FAR FILE *stream, FAR const IPTR char *fmt, ...);
int fseek(FAR FILE *stream, long int offset, int whence);
int fsetpos(FAR FILE *stream, FAR fpos_t *pos);
long ftell(FAR FILE *stream);
size_t fwrite(FAR const void *ptr, size_t size, size_t n_items,
FAR FILE *stream);
ssize_t getdelim(FAR char **lineptr, size_t *n, int delimiter,
FAR FILE *stream);
ssize_t getline(FAR char **lineptr, size_t *n, FAR FILE *stream);
FAR char *gets(FAR char *s);
FAR char *gets_s(FAR char *s, rsize_t n);
void setbuf(FAR FILE *stream, FAR char *buf);
int setvbuf(FAR FILE *stream, FAR char *buffer, int mode, size_t size);
int ungetc(int c, FAR FILE *stream);
/* Operations on the stdout stream, buffers, paths,
* and the whole printf-family
*/
void perror(FAR const char *s);
int printf(FAR const IPTR char *fmt, ...);
int puts(FAR const char *s);
int rename(FAR const char *oldpath, FAR const char *newpath);
int sprintf(FAR char *buf, FAR const IPTR char *fmt, ...);
int asprintf (FAR char **ptr, FAR const IPTR char *fmt, ...);
int snprintf(FAR char *buf, size_t size,
FAR const IPTR char *fmt, ...);
int sscanf(FAR const char *buf, FAR const IPTR char *fmt, ...);
int scanf(FAR const IPTR char *fmt, ...);
int vasprintf(FAR char **ptr, FAR const IPTR char *fmt, va_list ap);
int vfprintf(FAR FILE *stream, FAR const IPTR char *fmt,
va_list ap);
int vfscanf(FAR FILE *stream, FAR const IPTR char *fmt, va_list ap);
int vprintf(FAR const IPTR char *fmt, va_list ap);
int vsnprintf(FAR char *buf, size_t size, FAR const IPTR char *fmt,
va_list ap);
int vsprintf(FAR char *buf, FAR const IPTR char *fmt, va_list ap);
int vsscanf(FAR const char *buf, FAR const char *fmt, va_list ap);
/* Operations on file descriptors including:
*
* POSIX-like File System Interfaces (fdopen), and
* Extensions from the Open Group Technical Standard, 2006, Extended API Set
* Part 1 (dprintf and vdprintf)
*/
FAR FILE *fdopen(int fd, FAR const char *type);
int dprintf(int fd, FAR const IPTR char *fmt, ...);
int vdprintf(int fd, FAR const IPTR char *fmt, va_list ap);
/* Operations on paths */
FAR char *tmpnam(FAR char *s);
FAR char *tempnam(FAR const char *dir, FAR const char *pfx);
int remove(FAR const char *path);
/* Shell operations. These are not actually implemented in the OS. See
* apps/system/popen for implementation.
*/
#ifndef __KERNEL__
FILE *popen(FAR const char *command, FAR const char *mode);
int pclose(FILE *stream);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_STDIO_H */
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