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