253 lines
8.2 KiB
C
253 lines
8.2 KiB
C
/****************************************************************************
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* include/stdio.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_STDIO_H
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#define __INCLUDE_STDIO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdarg.h>
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#include <time.h>
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#include <nuttx/fs/fs.h>
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#include <nuttx/lib/lib.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* File System Definitions **************************************************/
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#define FILENAME_MAX _POSIX_NAME_MAX
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#define FOPEN_MAX _POSIX_STREAM_MAX
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/* The (default) size of the I/O buffers */
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#if defined(CONFIG_STDIO_BUFFER_SIZE) && CONFIG_STDIO_BUFFER_SIZE > 0
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# define BUFSIZ CONFIG_STDIO_BUFFER_SIZE
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#else
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# define BUFSIZ 64
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#endif
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/* The following three definitions are for ANSI C, used by setvbuf */
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#define _IOFBF 0 /* Fully buffered */
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#define _IOLBF 1 /* Line buffered */
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#define _IONBF 2 /* Unbuffered */
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/* File system error values */
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#define EOF (-1)
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/* The first three _iob entries are reserved for standard I/O */
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#define stdin lib_get_stream(0)
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#define stdout lib_get_stream(1)
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#define stderr lib_get_stream(2)
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/* Path to the directory where temporary files can be created */
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#ifndef CONFIG_LIBC_TMPDIR
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# define CONFIG_LIBC_TMPDIR "/tmp"
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#endif
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#define P_tmpdir CONFIG_LIBC_TMPDIR
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/* Maximum size of character array to hold tmpnam() output. */
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#ifndef CONFIG_LIBC_MAX_TMPFILE
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# define CONFIG_LIBC_MAX_TMPFILE 32
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#endif
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#define L_tmpnam CONFIG_LIBC_MAX_TMPFILE
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/* The maximum number of unique temporary file names that can be generated */
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#define TMP_MAX 56800235584ull
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#if defined(CONFIG_FS_LARGEFILE)
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# define tmpfile64 tmpfile
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# define fopen64 fopen
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# define freopen64 freopen
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# define fseeko64 fseeko
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# define ftello64 ftello
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# define fgetpos64 fgetpos
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# define fsetpos64 fsetpos
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#endif
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#define setlinebuf(stream) setvbuf(stream, NULL, _IOLBF, 0)
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/* Streams */
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typedef struct file_struct FILE;
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struct va_format
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{
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FAR const char *fmt;
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FAR va_list *va;
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* ANSI-like File System Interfaces */
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/* Operations on streams (FILE) */
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void clearerr(FAR FILE *stream);
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int fclose(FAR FILE *stream);
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int fflush(FAR FILE *stream);
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int feof(FAR FILE *stream);
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int ferror(FAR FILE *stream);
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int fileno(FAR FILE *stream);
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int fgetc(FAR FILE *stream);
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int fgetpos(FAR FILE *stream, FAR fpos_t *pos);
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FAR char *fgets(FAR char *s, int n, FAR FILE *stream);
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FAR FILE *fopen(FAR const char *path, FAR const char *type) fopen_like;
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int fprintf(FAR FILE *stream, FAR const IPTR char *format, ...)
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printf_like(2, 3);
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int fputc(int c, FAR FILE *stream);
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int fputs(FAR const IPTR char *s, FAR FILE *stream);
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size_t fread(FAR void *ptr, size_t size, size_t n_items, FAR FILE *stream);
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FAR FILE *freopen(FAR const char *path, FAR const char *mode,
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FAR FILE *stream);
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int fscanf(FAR FILE *stream, FAR const IPTR char *fmt, ...)
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scanf_like(2, 3);
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int fseek(FAR FILE *stream, long int offset, int whence);
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int fseeko(FAR FILE *stream, off_t offset, int whence);
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int fsetpos(FAR FILE *stream, FAR fpos_t *pos);
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long ftell(FAR FILE *stream);
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off_t ftello(FAR FILE *stream);
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size_t fwrite(FAR const void *ptr, size_t size, size_t n_items,
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FAR FILE *stream);
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int getc(FAR FILE *stream);
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int getchar(void);
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ssize_t getdelim(FAR char **lineptr, size_t *n, int delimiter,
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FAR FILE *stream);
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ssize_t getline(FAR char **lineptr, size_t *n, FAR FILE *stream);
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FAR char *gets(FAR char *s);
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FAR char *gets_s(FAR char *s, rsize_t n);
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void rewind(FAR FILE *stream);
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void setbuf(FAR FILE *stream, FAR char *buf);
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int setvbuf(FAR FILE *stream, FAR char *buffer, int mode, size_t size);
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void setbuffer(FAR FILE *stream, FAR char *buf, size_t size);
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int ungetc(int c, FAR FILE *stream);
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void flockfile(FAR FILE *stream);
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int ftrylockfile(FAR FILE *stream);
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void funlockfile(FAR FILE *stream);
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/* Operations on the stdout stream, buffers, paths,
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* and the whole printf-family
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*/
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void perror(FAR const char *s);
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int printf(FAR const IPTR char *fmt, ...) printf_like(1, 2);
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int putc(int c, FAR FILE *stream);
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int putchar(int c);
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int puts(FAR const IPTR char *s);
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int rename(FAR const char *oldpath, FAR const char *newpath);
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int renameat(int olddirfd, FAR const char *oldpath,
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int newdirfd, FAR const char *newpath);
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int sprintf(FAR char *buf, FAR const IPTR char *fmt, ...)
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printf_like(2, 3);
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int asprintf(FAR char **ptr, FAR const IPTR char *fmt, ...)
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printf_like(2, 3);
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int snprintf(FAR char *buf, size_t size,
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FAR const IPTR char *fmt, ...) printf_like(3, 4);
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int sscanf(FAR const char *buf, FAR const IPTR char *fmt, ...)
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scanf_like(2, 3);
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int scanf(FAR const IPTR char *fmt, ...) scanf_like(1, 2);
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int vasprintf(FAR char **ptr, FAR const IPTR char *fmt, va_list ap)
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printf_like(2, 0);
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int vfprintf(FAR FILE *stream, FAR const IPTR char *fmt,
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va_list ap) printf_like(2, 0);
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int vfscanf(FAR FILE *stream, FAR const IPTR char *fmt, va_list ap)
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scanf_like(2, 0);
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int vprintf(FAR const IPTR char *fmt, va_list ap) printf_like(1, 0);
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int vscanf(FAR const IPTR char *fmt, va_list ap) scanf_like(1, 0);
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int vsnprintf(FAR char *buf, size_t size, FAR const IPTR char *fmt,
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va_list ap) printf_like(3, 0);
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int vsprintf(FAR char *buf, FAR const IPTR char *fmt, va_list ap)
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printf_like(2, 0);
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int vsscanf(FAR const char *buf, FAR const IPTR char *fmt, va_list ap)
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scanf_like(2, 0);
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/* Operations on file descriptors including:
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*
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* POSIX-like File System Interfaces (fdopen), and
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* Extensions from the Open Group Technical Standard, 2006, Extended API Set
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* Part 1 (dprintf and vdprintf)
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*/
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FAR FILE *fdopen(int fd, FAR const char *type) fopen_like;
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int dprintf(int fd, FAR const IPTR char *fmt, ...) printf_like(2, 3);
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int vdprintf(int fd, FAR const IPTR char *fmt, va_list ap)
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printf_like(2, 0);
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/* Operations on paths */
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FAR FILE *tmpfile(void) fopen_like;
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FAR char *tmpnam(FAR char *s);
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FAR char *tempnam(FAR const char *dir, FAR const char *pfx) malloc_like;
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int remove(FAR const char *path);
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/* Shell operations. These are not actually implemented in the OS. See
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* apps/system/popen for implementation.
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*/
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#ifndef __KERNEL__
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int pclose(FILE *stream);
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FILE *popen(FAR const char *command, FAR const char *mode) popen_like;
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INCLUDE_STDIO_H */
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