114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014, 2015.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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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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#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 __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 stdio/stdio.cpp's declarations of stdin/stdout/stderr also needs to be
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changed if you make changes to this structure. */
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struct __FILE
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{
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/* This is non-standard, but useful. If you allocate your own FILE and
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register it with fregister, feel free to use modify the following members
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to customize how it works. Don't call the functions directly, though, as
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the standard library does various kinds of buffering and conversion. */
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size_t buffersize;
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unsigned char* buffer;
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void* user;
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void* free_user;
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int (*reopen_func)(void* user, const char* mode);
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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 (*fileno_func)(void* user);
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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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/* Application writers shouldn't use anything beyond this point. */
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pthread_mutex_t file_lock;
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int (*fflush_indirect)(FILE*);
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void (*buffer_free_indirect)(void*);
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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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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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