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sortix--sortix/libc/include/FILE.h
Jonas 'Sortie' Termansen 611dc22e73 Standardize header include guards.
This change makes all the standard library and kernel headers use header
guards with a consistent scheme within the reserved namespace to avoid
conflicts with non-standard-library-implementation code.
2022-07-09 20:51:13 +02:00

109 lines
2.7 KiB
C

/*
* Copyright (c) 2011, 2012, 2013, 2014, 2015 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* FILE.h
* The FILE structure from <stdio.h>
*/
#ifndef _INCLUDE_FILE_H
#define _INCLUDE_FILE_H
#include <sys/cdefs.h>
#include <sys/__/types.h>
#include <__/pthread.h>
#if !defined(BUFSIZ)
#include <stdio.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __off_t_defined
#define __off_t_defined
typedef __off_t off_t;
#endif
#ifndef __size_t_defined
#define __size_t_defined
#define __need_size_t
#include <stddef.h>
#endif
#ifndef __ssize_t_defined
#define __ssize_t_defined
typedef __ssize_t ssize_t;
#endif
#ifndef __pthread_mutex_t_defined
#define __pthread_mutex_t_defined
typedef __pthread_mutex_t pthread_mutex_t;
#endif
#ifndef __FILE_defined
#define __FILE_defined
typedef struct __FILE FILE;
#endif
#define _FILE_REGISTERED (1<<0)
#define _FILE_BUFFER_MODE_SET (1<<1)
#define _FILE_LAST_WRITE (1<<2)
#define _FILE_LAST_READ (1<<3)
#define _FILE_BUFFER_OWNED (1<<4)
#define _FILE_STATUS_ERROR (1<<5)
#define _FILE_STATUS_EOF (1<<6)
#define _FILE_READABLE (1<<7)
#define _FILE_WRITABLE (1<<8)
#define _FILE_MAX_PUSHBACK 8
/* Note libc's declarations of stdin/stdout/stderr also needs to be changed if
you make changes to this structure. */
struct __FILE
{
unsigned char* buffer;
void* user;
void* free_user;
ssize_t (*read_func)(void* user, void* ptr, size_t size);
ssize_t (*write_func)(void* user, const void* ptr, size_t size);
off_t (*seek_func)(void* user, off_t offset, int whence);
int (*close_func)(void* user);
void (*free_func)(void* free_user, FILE* fp);
pthread_mutex_t file_lock;
int (*fflush_indirect)(FILE*);
FILE* prev;
FILE* next;
int flags;
int buffer_mode;
int fd;
size_t offset_input_buffer;
size_t amount_input_buffered;
size_t amount_output_buffered;
};
/* Internally used by standard library. */
#if defined(__is_sortix_libc)
extern FILE* __first_file;
extern pthread_mutex_t __first_file_lock;
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif