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180 lines
5.2 KiB
C
180 lines
5.2 KiB
C
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
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/*
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* Some stuff taken from active perl: perl\win32.c (ioinfo stuff)
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*
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* (c) 1995 Microsoft Corporation. All rights reserved.
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* Developed by hip communications inc., http://info.hip.com/info/
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* Portions (c) 1993 Intergraph Corporation. All rights reserved.
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*
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* You may distribute under the terms of either the GNU General Public
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* License or the Artistic License, as specified in the README file.
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*/
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#ifndef __CRT_INTERNAL_FILE_H
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#define __CRT_INTERNAL_FILE_H
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#ifndef _CRT_PRECOMP_H
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#error DO NOT INCLUDE THIS HEADER DIRECTLY
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#endif
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#include <stdarg.h>
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#include <time.h>
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#ifndef _IORMONCL
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#define _IORMONCL 004000 /* remove on close, for temp files */
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#endif
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/* if _flag & _IORMONCL, ._name_to_remove needs freeing */
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#ifndef _IOUNGETC
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#define _IOUNGETC 010000 /* there is an ungetc'ed character in the buffer */
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#endif
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/* might need check for IO_APPEND aswell */
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#define OPEN4WRITING(f) ((((f)->_flag & _IOWRT) == _IOWRT))
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#define OPEN4READING(f) ((((f)->_flag & _IOREAD) == _IOREAD))
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/* might need check for IO_APPEND aswell */
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#define WRITE_STREAM(f) ((((f)->_flag & _IOWRT) == _IOWRT))
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#define READ_STREAM(f) ((((f)->_flag & _IOREAD) == _IOREAD))
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int __set_errno(int err);
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int __set_doserrno(int error);
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void* filehnd(int fn);
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char __is_text_file(FILE*);
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int _doprnt(const char* fmt, va_list args, FILE *);
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int _doscan(FILE* iop, const char* fmt, va_list argp);
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int __fileno_dup2(int handle1, int handle2);
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char __fileno_getmode(int _fd);
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int __fileno_setmode(int _fd, int _newmode);
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void sigabort_handler(int sig);
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void UnixTimeToFileTime(time_t unix_time, FILETIME* filetime, DWORD remainder);
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#define __FILE_REC_MAX 20
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typedef struct __file_rec
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{
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struct __file_rec* next;
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int count;
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FILE* files[__FILE_REC_MAX];
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} __file_rec;
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extern __file_rec* __file_rec_list;
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typedef struct _FDINFO
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{
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HANDLE hFile;
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char fdflags;
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char pipechar; /* one char buffer for handles opened on pipes */
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int lockinitflag;
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CRITICAL_SECTION lock;
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} FDINFO;
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#define FDINFO_ENTRIES_PER_BUCKET_SHIFT 5 /* log2(32) = 5 */
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#define FDINFO_BUCKETS 64
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#define FDINFO_ENTRIES_PER_BUCKET 32
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#define FDINFO_ENTRIES (FDINFO_BUCKETS * FDINFO_ENTRIES_PER_BUCKET)
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/* pipech */
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#define LF 10 /* line feed */
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#define CR 13 /* carriage return */
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#define CTRLZ 26 /* ctrl-z means eof for text */
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/* mode */
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#define FOPEN 0x01 /* file handle open */
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#define FEOFLAG 0x02 /* end of file has been encountered */
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#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
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#define FPIPE 0x08 /* file refers to a pipe */
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#define FNOINHERIT 0x10 /* file handle opened _O_NOINHERIT */
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#define FAPPEND 0x20 /* file opened O_APPEND */
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#define FDEV 0x40 /* file refers to device */
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#define FTEXT 0x80 /* file is in text mode (absence = binary) */
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/* get bucket index (0-63) from an fd */
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#define fdinfo_bucket_idx(i) ((i) >> FDINFO_ENTRIES_PER_BUCKET_SHIFT)
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/* get position inside a bucket (0-31) from an fd */
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#define fdinfo_bucket_entry_idx(i) ((i) & (FDINFO_ENTRIES_PER_BUCKET - 1))
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/* get bucket ptr. (ptr. to first fdinfo inside a bucket) from an fd */
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#define fdinfo_bucket(i) ( __pioinfo[fdinfo_bucket_idx(i)])
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/* get fdinfo ptr. from an fd */
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#define fdinfo(i) (fdinfo_bucket(i) + fdinfo_bucket_entry_idx(i))
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//extern FDINFO* __pioinfo[];
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void _dosmaperr(unsigned long oserrcode);
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int access_dirA(const char *_path);
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int access_dirW(const wchar_t *_path);
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#ifdef _UNICODE
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#define access_dirT access_dirW
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#else
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#define access_dirT access_dirA
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#endif
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#undef MB_CUR_MAX
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#define MB_CUR_MAX __mb_cur_max
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int _isnanl(long double x);
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int _isinfl(long double x);
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int _isnan(double x);
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int _isinf(double x);
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/* Flags for the iobuf structure (for reference) */
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#if 0
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#define _IOREAD 1 /* currently reading */
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#define _IOWRT 2 /* currently writing */
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#define _IORW 0x0080 /* opened as "r+w" */
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#endif
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#ifndef F_OK
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#define F_OK 0 /* Check for file existence */
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#endif
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#ifndef W_OK
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#define W_OK 2 /* Check for write permission */
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#endif
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/* internal FILE->_flag flags */
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#define _IOMYBUF 0x0008 /* stdio malloc()'d buffer */
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#define _IOEOF 0x0010 /* EOF reached on read */
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#define _IOERR 0x0020 /* I/O error from system */
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#define _IOSTRG 0x0040 /* Strange or no file descriptor */
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#define _IOBINARY 0x040000
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#define _IOTEXT 0x000000
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#define _IOCOMMIT 0x100000
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#define _IODIRTY 0x010000
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#define _IOAHEAD 0x020000
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/*
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* The three possible buffering mode (nMode) values for setvbuf.
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* NOTE: _IOFBF works, but _IOLBF seems to work like unbuffered...
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* maybe I'm testing it wrong?
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*/
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#define _IOFBF 0x0000 /* full buffered */
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#define _IOLBF 0x0040 /* line buffered */
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#define _IONBF 0x0004 /* not buffered */
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#define _IO_LBF 0x80000 /* this value is used insteat of _IOLBF within the
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structure FILE as value for _flags,
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because _IOLBF has the same value as _IOSTRG */
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wint_t _filwbuf(FILE *f);
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#if __MINGW32_MAJOR_VERSION < 3 || __MINGW32_MINOR_VERSION < 2
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int __cdecl _filbuf (FILE*);
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int __cdecl _flsbuf (int, FILE*);
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#endif
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#endif /* __dj_include_libc_file_h__ */
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