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/* |
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* stat.h |
| 3 |
* |
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* Symbolic constants for opening and creating files, also stat, fstat and |
| 5 |
* chmod functions. |
| 6 |
* |
| 7 |
* $Id: stat.h,v 4cf5070e9a04 2016/07/14 17:59:07 keithmarshall $ |
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* |
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* Written by Colin Peters <colin@bird.fu.is.saga-u.ac.jp> |
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* Copyright (C) 1997-2001, 2003-2005, 2007, 2016, MinGW.org Project. |
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* |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice, this permission notice, and the following |
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* disclaimer shall be included in all copies or substantial portions of |
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* the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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#ifndef _SYS_STAT_H |
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#pragma GCC system_header |
| 35 |
|
| 36 |
/* To support selective (partial) inclusion by <wchar.h>... |
| 37 |
*/ |
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#ifndef __WCHAR_H_SOURCED__ |
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/* ...we defer the definition of the normal multiple inclusion guard macro, |
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* until we know that this is NOT the <wchar.h> selective inclusion case. |
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*/ |
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#define _SYS_STAT_H |
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|
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/* All MinGW headers are required to include <_mingw.h>; however, Microsoft |
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* also stipulate that USERS MUST include <sys/types.h>, BEFORE they include |
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* <sys/stat.h>. This is not only appallingly bad software engineering, on |
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* Microsoft's part, but it is a potential obstacle to portability of POSIX |
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* source code; (POSIX requires that <sys/stat.h> should be self-contained, |
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* with no requirement for any specific header inclusion order). Although |
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* it is more inclusive that POSIX requires, we may mitigate the deficiency |
| 51 |
* inherent in Microsoft's poor software engineering, by simply including |
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* <sys/types.h> here; in so doing, we may also delegate the inclusion of |
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* <_mingw.h>, and the definition of all data types required herein, to... |
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*/ |
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#include <sys/types.h> |
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|
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/* Constants for the st_mode member of struct stat, and its Microsoft |
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* specific variants. |
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*/ |
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#define _S_IFIFO 0x1000 /* FIFO */ |
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#define _S_IFCHR 0x2000 /* Character */ |
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#define _S_IFDIR 0x4000 /* Directory */ |
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#define _S_IFREG 0x8000 /* Regular */ |
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|
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#ifdef _MINGW_S_IFBLK_KLUDGE |
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/* For preference, this kludge should NOT be enabled; for rationale, |
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* see: https://sourceforge.net/p/mingw/bugs/1146 |
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* |
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* MS-Windows doesn't support testing for block special devices via the |
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* st_mode flags; ideally, client code to be ported to Windows should not |
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* blindly assume that S_IFBLK (or _S_IFBLK) is defined, but should rather |
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* check for it, and compile dependent code conditionally. Notwithstanding, |
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* this kludge allows the user to force a definition, which we arbitrarily |
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* choose to ensure that S_ISBLK (or _S_ISBLK) always returns FALSE, (i.e. |
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* choose a value such that _S_IFBLK & _S_IFMT can NEVER equal _S_IFBLK). |
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*/ |
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#define _S_IFBLK 0x3001 /* Block: unsupported on Win32 */ |
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#endif |
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|
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#define _S_IFMT 0xF000 /* File type mask */ |
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|
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#define _S_IEXEC 0x0040 |
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#define _S_IWRITE 0x0080 |
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#define _S_IREAD 0x0100 |
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|
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#define _S_IRWXU (_S_IREAD | _S_IWRITE | _S_IEXEC) |
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#define _S_IXUSR _S_IEXEC |
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#define _S_IWUSR _S_IWRITE |
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#define _S_IRUSR _S_IREAD |
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|
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#define _S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR) |
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#define _S_ISFIFO(m) (((m) & _S_IFMT) == _S_IFIFO) |
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#define _S_ISCHR(m) (((m) & _S_IFMT) == _S_IFCHR) |
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#define _S_ISBLK(m) (((m) & _S_IFMT) == _S_IFBLK) |
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#define _S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG) |
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|
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#ifndef _NO_OLDNAMES |
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|
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#define S_IFIFO _S_IFIFO |
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#define S_IFCHR _S_IFCHR |
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#ifdef _S_IFBLK |
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#define S_IFBLK _S_IFBLK |
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#endif |
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#define S_IFDIR _S_IFDIR |
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#define S_IFREG _S_IFREG |
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#define S_IFMT _S_IFMT |
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#define S_IEXEC _S_IEXEC |
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#define S_IWRITE _S_IWRITE |
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#define S_IREAD _S_IREAD |
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#define S_IRWXU _S_IRWXU |
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#define S_IXUSR _S_IXUSR |
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#define S_IWUSR _S_IWUSR |
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#define S_IRUSR _S_IRUSR |
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|
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#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) |
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#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) |
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#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) |
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#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) |
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#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) |
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|
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#endif /* !_NO_OLDNAMES */ |
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|
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#ifndef _S_IFBLK |
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/* When the _S_IFBLK kludge is NOT enabled, (as it ideally should not be), |
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* ensure that any attempt to use its dependent macros is denied... |
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*/ |
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# pragma GCC poison _S_ISBLK |
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|
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# if defined _NO_UNSUPPORTED || defined _NO_OLDNAMES |
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/* ...including that for the standard POSIX macro, when unsupported |
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* features, or Microsoft's old names, are explicitly forbidden... |
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*/ |
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# pragma GCC poison S_ISBLK |
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|
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# else /* !(_NO_UNSUPPORTED || _NO_OLDNAMES) */ |
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/* ...otherwise assume that the kludge is automatically enabled with |
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* respect to S_ISBLK, (because GCC gratuitously misuses it). |
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*/ |
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# define S_IFBLK 0x3001 /* Block: unsupported on Win32 */ |
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|
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# endif /* !(_NO_UNSUPPORTED || _NO_OLDNAMES) */ |
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#endif /* !_S_IFBLK */ |
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#endif /* !__WCHAR_H_SOURCED__ */ |
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|
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#ifndef RC_INVOKED |
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#ifndef __struct_stat_defined |
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/* The structure manipulated and returned by stat() and fstat(); note that |
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* expansion of the macro provided below will yield variants of struct stat |
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* to conform with Microsoft's usage, (and POSIX usage up to and including |
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* POSIX.1-2001, but NOT the extended specification of POSIX.1-2008). |
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* |
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* NOTE: If called on a directory the values in the time fields are not only |
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* invalid, they will cause localtime et. al. to return NULL. And calling |
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* asctime with a NULL pointer causes an Invalid Page Fault. So watch it! |
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*/ |
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#define __struct_stat_defined(__st_off_t, __st_time_t) \ |
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{ _dev_t st_dev; /* Equivalent to drive number 0=A 1=B ... */ \ |
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_ino_t st_ino; /* Always zero ? */ \ |
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_mode_t st_mode; /* See above constants */ \ |
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short st_nlink; /* Number of links. */ \ |
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short st_uid; /* User: Maybe significant on NT ? */ \ |
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short st_gid; /* Group: Ditto */ \ |
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_dev_t st_rdev; /* Seems useless (not even filled in) */ \ |
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__st_off_t st_size; /* File size in bytes */ \ |
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__st_time_t st_atime; /* Access time (always 00:00 on FAT) */ \ |
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__st_time_t st_mtime; /* Modified time */ \ |
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__st_time_t st_ctime; /* Creation time */ \ |
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} |
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|
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/* Here, we expand the preceding macro to yield the actual definition |
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* of struct stat, under its current Microsoft "uglified" name... |
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*/ |
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struct _stat __struct_stat_defined( _off_t, time_t ); |
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|
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#ifndef _NO_OLDNAMES |
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/* ...while this alternative expansion yields its standard POSIX name, |
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* (and its original Microsoft name); apart from its name, this must be |
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* defined identically to struct _stat above. |
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*/ |
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struct stat __struct_stat_defined( _off_t, time_t ); |
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#endif /* !_NO_OLDNAMES */ |
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|
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#if defined __MSVCRT__ |
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/* This variant of struct stat is required to support the use of the |
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* _stati64() function, which is provided by MSVCRT.DLL, but was not |
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* present in CRTDLL.DLL... |
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*/ |
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struct _stati64 __struct_stat_defined( __off64_t, time_t ); |
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|
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#if __MSVCRT_VERSION__ >= __MSVCR61_DLL || _WIN32_WINNT >= _WIN32_WINNT_WIN2K |
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/* ...while this supports the use of the _stat64() function, introduced |
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* by MSVCR61.DLL, and subsequently added to MSVCRT.DLL for releases from |
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* Win2K onwards... |
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*/ |
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struct __stat64 __struct_stat_defined( __off64_t, __time64_t ); |
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|
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#if __MSVCRT_VERSION__ >= __MSVCR80_DLL |
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/* ...and these are specific to additional function variants, added to |
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* the non-free MSVCR80.DLL, and its later derivatives, but not present |
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* in MSVCRT.DLL (or CRTDLL.DLL). |
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*/ |
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struct __stat32 __struct_stat_defined( __off32_t, __time32_t ); |
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struct _stat32i64 __struct_stat_defined( __off64_t, __time32_t ); |
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struct _stat64i32 __struct_stat_defined( __off32_t, __time64_t ); |
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|
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#endif /* __MSVCRT_VERSION__ >= __MSVCR80_DLL */ |
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#endif /* __MSVCRT_VERSION__ >= __MSVCR61_DLL */ |
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#endif /* __MSVCRT__ */ |
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|
| 210 |
/* From here on, it is sufficient to leave __struct_stat_defined as |
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* a macro which expands to nothing. |
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*/ |
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#undef __struct_stat_defined |
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#define __struct_stat_defined |
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|
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#endif /* !__struct_stat_defined */ |
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|
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_BEGIN_C_DECLS |
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|
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#ifdef _SYS_STAT_H |
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/* This set of function prototypes are to be declared only when |
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* <sys/stat.h> is included directly. |
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*/ |
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_CRTIMP __cdecl __MINGW_NOTHROW int _umask (int); |
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_CRTIMP __cdecl __MINGW_NOTHROW int _chmod (const char *, int); |
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|
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#if __MSVCRT_VERSION__ < __MSVCR80_DLL |
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/* This pair of functions are present in all versions of MSVCRT.DLL, but |
| 229 |
* they are NOT present in MSVCR80.DLL, nor in any of its later non-free |
| 230 |
* variants, all of which rely on inline aliases (defined below). |
| 231 |
*/ |
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_CRTIMP __cdecl __MINGW_NOTHROW int _fstat (int, struct _stat *); |
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_CRTIMP __cdecl __MINGW_NOTHROW int _stat (const char *, struct _stat *); |
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#endif /* __MSVCRT_VERSION__ < __MSVCR80_DLL */ |
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|
| 236 |
#ifndef _NO_OLDNAMES |
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/* These are the standard POSIX names, (and the original Microsoft names), |
| 238 |
* for the preceding four functions. |
| 239 |
*/ |
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_CRTIMP __cdecl __MINGW_NOTHROW int umask (int); |
| 241 |
_CRTIMP __cdecl __MINGW_NOTHROW int chmod (const char *, int); |
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|
| 243 |
#if __MSVCRT_VERSION__ < __MSVCR80_DLL |
| 244 |
/* Since the underlying functions, with "uglified" names, are not supported |
| 245 |
* by MSVCR80.DLL and its later derivitaves, there is also nothing to which |
| 246 |
* to map these originally named alternatives; declare prototypes only when |
| 247 |
* using DLL versions which can support them, while falling back to the use |
| 248 |
* of inline replacements (defined below) in the unsupported cases. |
| 249 |
*/ |
| 250 |
_CRTIMP __cdecl __MINGW_NOTHROW int fstat (int, struct stat *); |
| 251 |
_CRTIMP __cdecl __MINGW_NOTHROW int stat (const char *, struct stat *); |
| 252 |
#endif /* __MSVCRT_VERSION__ < __MSVCR80_DLL */ |
| 253 |
#endif /* !_NO_OLDNAMES */ |
| 254 |
|
| 255 |
#if defined __MSVCRT__ |
| 256 |
#if __MSVCRT_VERSION__ < __MSVCR80_DLL |
| 257 |
/* This pair of functions were withdrawn from MSVCR80.DLL, and its later |
| 258 |
* derivatives, but remain in all versions of MSVCRT.DLL |
| 259 |
*/ |
| 260 |
_CRTIMP __cdecl __MINGW_NOTHROW int _fstati64 (int, struct _stati64 *); |
| 261 |
_CRTIMP __cdecl __MINGW_NOTHROW int _stati64 (const char *, struct _stati64 *); |
| 262 |
#endif /* __MSVCRT_VERSION__ < __MSVCR80_DLL */ |
| 263 |
|
| 264 |
#if __MSVCRT_VERSION__ >= __MSVCR61_DLL || _WIN32_WINNT >= _WIN32_WINNT_WIN2K |
| 265 |
/* This pair of functions were introduced in MSVCR61.DLL, and were subsequently |
| 266 |
* added to MSVCRT.DLL from the release accompanying Win2K onwards... |
| 267 |
*/ |
| 268 |
_CRTIMP __cdecl __MINGW_NOTHROW int _fstat64 (int, struct __stat64 *); |
| 269 |
_CRTIMP __cdecl __MINGW_NOTHROW int _stat64 (const char *, struct __stat64 *); |
| 270 |
|
| 271 |
#if __MSVCRT_VERSION__ >= __MSVCR80_DLL |
| 272 |
/* ...whereas this group were introduced in MSVCR80.DLL, and its later |
| 273 |
* derivatives, but are not present in MSVCRT.DLL |
| 274 |
*/ |
| 275 |
_CRTIMP __cdecl __MINGW_NOTHROW int _fstat32 (int, struct __stat32 *); |
| 276 |
_CRTIMP __cdecl __MINGW_NOTHROW int _stat32 (const char *, struct __stat32 *); |
| 277 |
_CRTIMP __cdecl __MINGW_NOTHROW int _fstat32i64 (int, struct _stat32i64 *); |
| 278 |
_CRTIMP __cdecl __MINGW_NOTHROW int _fstat64i32 (int, struct _stat64i32 *); |
| 279 |
_CRTIMP __cdecl __MINGW_NOTHROW int _stat32i64 (const char *, struct _stat32i64 *); |
| 280 |
_CRTIMP __cdecl __MINGW_NOTHROW int _stat64i32 (const char *, struct _stat64i32 *); |
| 281 |
|
| 282 |
#ifdef _USE_32BIT_TIME_T |
| 283 |
/* We must provide inline replacements for the four MSVCRT.DLL functions |
| 284 |
* which have been withdrawn from MSVCR80.DLL, and its later derivatives; |
| 285 |
* this first set of replacements are compatible with their MSVCRT.DLL |
| 286 |
* equivalents, but require the user to define _USE_32BIT_TIME_T... |
| 287 |
*/ |
| 288 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _fstat (int __v1, struct _stat *__v2) |
| 289 |
{ return _fstat32 (__v1, (struct __stat32 *)(__v2)); } |
| 290 |
|
| 291 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _stat (const char *__v1, struct _stat *__v2) |
| 292 |
{ return _stat32 (__v1, (struct __stat32 *)(__v2)); } |
| 293 |
|
| 294 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _fstati64 (int __v1, struct _stati64 *__v2) |
| 295 |
{ return _fstat32i64 (__v1, (struct _stat32i64 *)(__v2)); } |
| 296 |
|
| 297 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _stati64 (const char *__v1, struct _stati64 *__v2) |
| 298 |
{ return _stat32i64 (__v1, (struct _stat32i64 *)(__v2)); } |
| 299 |
|
| 300 |
#else /* !_USE_32BIT_TIME_T */ |
| 301 |
/* ...whereas, the following alternatives emulate the brain-damaged |
| 302 |
* behaviour of Microsoft's own implementations, which take effect when |
| 303 |
* the user does not define _USE_32BIT_TIME_T; they break compatibility |
| 304 |
* with MSVCRT.DLL |
| 305 |
*/ |
| 306 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _fstat (int __v1, struct _stat *__v2) |
| 307 |
{ return _fstat64i32 (__v1, (struct _stat64i32 *)(__v2)); } |
| 308 |
|
| 309 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _stat (const char *__v1, struct _stat *__v2) |
| 310 |
{ return _stat64i32 (__v1, (struct _stat64i32 *)(__v2)); } |
| 311 |
|
| 312 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _fstati64 (int __v1, struct _stati64 *__v2) |
| 313 |
{ return _fstat64 (__v1, (struct __stat64 *)(__v2)); } |
| 314 |
|
| 315 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _stati64 (const char *__v1, struct _stati64 *__v2) |
| 316 |
{ return _stat64 (__v1,(struct __stat64*)(__v2)); } |
| 317 |
#endif /* !_USE_32BIT_TIME_T */ |
| 318 |
|
| 319 |
#ifndef _NO_OLDNAMES |
| 320 |
/* Irrespective of the state of _USE_32BIT_TIME_T, we may provide inline |
| 321 |
* replacements for the stat() and fstat() functions, (which are missing |
| 322 |
* from MSVCR80.DLL and its later derivatives), simply by aliasing them |
| 323 |
* to their corresponding replacements with "uglified" names. |
| 324 |
*/ |
| 325 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int fstat (int __v1, struct _stat *__v2) |
| 326 |
{ return _fstat (__v1, __v2); } |
| 327 |
|
| 328 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int stat (const char *__v1, struct _stat *__v2) |
| 329 |
{ return _stat (__v1, __v2); } |
| 330 |
|
| 331 |
#endif /* !_NO_OLDNAMES */ |
| 332 |
#endif /* __MSVCRT_VERSION__ >= __MSVCR80_DLL */ |
| 333 |
#endif /* __MSVCRT_VERSION__ >= __MSVCR61_DLL */ |
| 334 |
#endif /* __MSVCRT__ */ |
| 335 |
#endif /* _SYS_STAT_H */ |
| 336 |
|
| 337 |
#if defined __MSVCRT__ && !(defined _SYS_STAT_H && defined _WCHAR_H) |
| 338 |
/* This final group of function prototypes, specific to MSVCRT.DLL and its |
| 339 |
* non-free derivatives, are to be declared both when <sys/stat.h> is included |
| 340 |
* directly, and when it is selectively included by <wchar.h>; however, if both |
| 341 |
* _SYS_STAT_H and _WCHAR_H are defined, by the time we get to here, then this |
| 342 |
* must be the direct inclusion case, after having already declared these via |
| 343 |
* selective inclusion by <wchar.h>, and we should not declare these again; |
| 344 |
* (in particular, we should not repeat inline function implementations). |
| 345 |
*/ |
| 346 |
#if __MSVCRT_VERSION__ < __MSVCR80_DLL |
| 347 |
/* As is the case for their regular counterparts, this pair of functions |
| 348 |
* remain available in MSVCRT.DLL itself, but they are not exported from its |
| 349 |
* non-free derivatives from MSVCR80.DLL onwards, whence it is expected that |
| 350 |
* they will be replaced by inline implementations. |
| 351 |
*/ |
| 352 |
_CRTIMP __cdecl __MINGW_NOTHROW int _wstat(const wchar_t *, struct _stat *); |
| 353 |
_CRTIMP __cdecl __MINGW_NOTHROW int _wstati64 (const wchar_t *, struct _stati64 *); |
| 354 |
#endif /* __MSVCRT_VERSION__ < __MSVCR80_DLL */ |
| 355 |
|
| 356 |
#if __MSVCRT_VERSION__ >= __MSVCR61_DLL || _WIN32_WINNT >= _WIN32_WINNT_WIN2K |
| 357 |
/* Similarly, this variant was introduced in MSVCR80.DLL, and was subsequently |
| 358 |
* added to MSVCRT.DLL with the release of Win2K... |
| 359 |
*/ |
| 360 |
_CRTIMP __cdecl __MINGW_NOTHROW int _wstat64 (const wchar_t *, struct __stat64 *); |
| 361 |
|
| 362 |
#if __MSVCRT_VERSION__ >= __MSVCR80_DLL |
| 363 |
/* ...whereas these variants are exclusive to the non-free MSVCR80.DLL, and |
| 364 |
* its later derivatives; they are not available in MSVCRT.DLL. |
| 365 |
*/ |
| 366 |
_CRTIMP __cdecl __MINGW_NOTHROW int _wstat32 (const wchar_t *, struct __stat32 *); |
| 367 |
_CRTIMP __cdecl __MINGW_NOTHROW int _wstat32i64 (const wchar_t *, struct _stat32i64 *); |
| 368 |
_CRTIMP __cdecl __MINGW_NOTHROW int _wstat64i32 (const wchar_t *, struct _stat64i32 *); |
| 369 |
|
| 370 |
#ifdef _USE_32BIT_TIME_T |
| 371 |
/* Once again, we must furnish inline replacements for the functions which |
| 372 |
* were withdrawn from MSVCR80.DLL and its later derivatives; these are the |
| 373 |
* implementations which remain compatible with MSVCRT.DLL, but require the |
| 374 |
* user to define _USE_32BIT_TIME_T... |
| 375 |
*/ |
| 376 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _wstat (const wchar_t *__v1, struct _stat *__v2) |
| 377 |
{ return _wstat32 (__v1, (struct __stat32 *)(__v2)); } |
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|
| 379 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _wstati64 (const wchar_t *__v1, struct _stati64 *__v2) |
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{ return _wstat32i64 (__v1, (struct _stat32i64 *)(__v2)); } |
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|
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#else /* !_USE_32BIT_TIME_T */ |
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/* ...whereas these emulate the brain-damaged Microsoft behaviour, for the |
| 384 |
* case when the user does not define _USE_32BIT_TIME_T, breaking MSVCRT.DLL |
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* compatibility. |
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*/ |
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__CRT_ALIAS __cdecl __MINGW_NOTHROW int _wstat (const wchar_t *__v1, struct _stat *__v2) |
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{ return _wstat64i32 (__v1, (struct _stat64i32 *)(__v2)); } |
| 389 |
|
| 390 |
__CRT_ALIAS __cdecl __MINGW_NOTHROW int _wstati64 (const wchar_t *__v1, struct _stati64 *__v2) |
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{ return _wstat64 (__v1, (struct __stat64 *)(__v2)); } |
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|
| 393 |
#endif /* !_USE_32BIT_TIME_T */ |
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#endif /* __MSVCRT_VERSION__ >= 0x0800 */ |
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#endif /* __MSVCRT_VERSION__ >= 0x0601 */ |
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#endif /* __MSVCRT__ && !(_SYS_STAT_H && _WCHAR_H) */ |
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|
| 398 |
_END_C_DECLS |
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|
| 400 |
#endif /* ! RC_INVOKED */ |
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#endif /* !_SYS_STAT__H: $RCSfile: stat.h,v $: end of file */ |