Mercurial > octave-nkf
view liboctave/system/file-stat.h @ 17769:49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
* liboctave/array/Array-C.cc, liboctave/array/Array-b.cc,
liboctave/array/Array-ch.cc, liboctave/array/Array-d.cc,
liboctave/array/Array-f.cc, liboctave/array/Array-fC.cc,
liboctave/array/Array-util.cc, liboctave/array/Array-util.h,
liboctave/array/Array.cc, liboctave/array/Array.h, liboctave/array/Array3.h,
liboctave/array/CColVector.cc, liboctave/array/CColVector.h,
liboctave/array/CDiagMatrix.cc, liboctave/array/CDiagMatrix.h,
liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h,
liboctave/array/CNDArray.cc, liboctave/array/CNDArray.h,
liboctave/array/CRowVector.cc, liboctave/array/CRowVector.h,
liboctave/array/CSparse.cc, liboctave/array/CSparse.h,
liboctave/array/DiagArray2.h, liboctave/array/MArray.cc,
liboctave/array/MArray.h, liboctave/array/MDiagArray2.cc,
liboctave/array/MDiagArray2.h, liboctave/array/MSparse.cc,
liboctave/array/MSparse.h, liboctave/array/MatrixType.cc,
liboctave/array/MatrixType.h, liboctave/array/PermMatrix.h,
liboctave/array/Range.cc, liboctave/array/Range.h, liboctave/array/Sparse.cc,
liboctave/array/Sparse.h, liboctave/array/boolMatrix.cc,
liboctave/array/boolMatrix.h, liboctave/array/boolNDArray.cc,
liboctave/array/boolNDArray.h, liboctave/array/boolSparse.cc,
liboctave/array/boolSparse.h, liboctave/array/chMatrix.cc,
liboctave/array/chMatrix.h, liboctave/array/chNDArray.cc,
liboctave/array/chNDArray.h, liboctave/array/dColVector.h,
liboctave/array/dDiagMatrix.cc, liboctave/array/dDiagMatrix.h,
liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h,
liboctave/array/dNDArray.cc, liboctave/array/dNDArray.h,
liboctave/array/dRowVector.h, liboctave/array/dSparse.cc,
liboctave/array/dSparse.h, liboctave/array/dim-vector.cc,
liboctave/array/dim-vector.h, liboctave/array/fCColVector.cc,
liboctave/array/fCColVector.h, liboctave/array/fCDiagMatrix.cc,
liboctave/array/fCDiagMatrix.h, liboctave/array/fCMatrix.cc,
liboctave/array/fCMatrix.h, liboctave/array/fCNDArray.cc,
liboctave/array/fCNDArray.h, liboctave/array/fCRowVector.cc,
liboctave/array/fCRowVector.h, liboctave/array/fColVector.h,
liboctave/array/fDiagMatrix.cc, liboctave/array/fDiagMatrix.h,
liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h,
liboctave/array/fNDArray.cc, liboctave/array/fNDArray.h,
liboctave/array/fRowVector.h, liboctave/array/idx-vector.cc,
liboctave/array/idx-vector.h, liboctave/array/intNDArray.cc,
liboctave/array/intNDArray.h, liboctave/cruft/misc/blaswrap.c,
liboctave/cruft/misc/quit.cc, liboctave/numeric/CmplxCHOL.cc,
liboctave/numeric/CmplxCHOL.h, liboctave/numeric/CmplxGEPBAL.cc,
liboctave/numeric/CmplxGEPBAL.h, liboctave/numeric/CmplxHESS.h,
liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxLU.h,
liboctave/numeric/CmplxQR.cc, liboctave/numeric/CmplxQRP.cc,
liboctave/numeric/CmplxQRP.h, liboctave/numeric/CmplxSCHUR.h,
liboctave/numeric/CmplxSVD.cc, liboctave/numeric/CmplxSVD.h,
liboctave/numeric/CollocWt.h, liboctave/numeric/DAE.h,
liboctave/numeric/DAEFunc.h, liboctave/numeric/DAERT.h,
liboctave/numeric/DAERTFunc.h, liboctave/numeric/DASPK.cc,
liboctave/numeric/DASRT.cc, liboctave/numeric/DASRT.h,
liboctave/numeric/DASSL.cc, liboctave/numeric/DET.h, liboctave/numeric/EIG.cc,
liboctave/numeric/EIG.h, liboctave/numeric/LSODE.cc, liboctave/numeric/ODE.h,
liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.h,
liboctave/numeric/ODESFunc.h, liboctave/numeric/Quad.cc,
liboctave/numeric/Quad.h, liboctave/numeric/SparseCmplxCHOL.h,
liboctave/numeric/SparseCmplxLU.cc, liboctave/numeric/SparseCmplxLU.h,
liboctave/numeric/SparseCmplxQR.cc, liboctave/numeric/SparseCmplxQR.h,
liboctave/numeric/SparseQR.cc, liboctave/numeric/SparseQR.h,
liboctave/numeric/SparsedbleCHOL.h, liboctave/numeric/SparsedbleLU.cc,
liboctave/numeric/SparsedbleLU.h, liboctave/numeric/base-aepbal.h,
liboctave/numeric/base-dae.h, liboctave/numeric/base-de.h,
liboctave/numeric/base-lu.cc, liboctave/numeric/base-lu.h,
liboctave/numeric/base-min.h, liboctave/numeric/base-qr.h,
liboctave/numeric/bsxfun.h, liboctave/numeric/dbleCHOL.cc,
liboctave/numeric/dbleCHOL.h, liboctave/numeric/dbleGEPBAL.h,
liboctave/numeric/dbleHESS.h, liboctave/numeric/dbleLU.cc,
liboctave/numeric/dbleLU.h, liboctave/numeric/dbleQR.cc,
liboctave/numeric/dbleQRP.cc, liboctave/numeric/dbleQRP.h,
liboctave/numeric/dbleSCHUR.cc, liboctave/numeric/dbleSCHUR.h,
liboctave/numeric/dbleSVD.cc, liboctave/numeric/dbleSVD.h,
liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxAEPBAL.cc,
liboctave/numeric/fCmplxAEPBAL.h, liboctave/numeric/fCmplxCHOL.cc,
liboctave/numeric/fCmplxCHOL.h, liboctave/numeric/fCmplxGEPBAL.cc,
liboctave/numeric/fCmplxGEPBAL.h, liboctave/numeric/fCmplxHESS.h,
liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxLU.h,
liboctave/numeric/fCmplxQR.cc, liboctave/numeric/fCmplxQR.h,
liboctave/numeric/fCmplxQRP.cc, liboctave/numeric/fCmplxQRP.h,
liboctave/numeric/fCmplxSCHUR.cc, liboctave/numeric/fCmplxSCHUR.h,
liboctave/numeric/fCmplxSVD.h, liboctave/numeric/fEIG.cc,
liboctave/numeric/fEIG.h, liboctave/numeric/floatCHOL.cc,
liboctave/numeric/floatCHOL.h, liboctave/numeric/floatGEPBAL.cc,
liboctave/numeric/floatGEPBAL.h, liboctave/numeric/floatHESS.h,
liboctave/numeric/floatLU.cc, liboctave/numeric/floatLU.h,
liboctave/numeric/floatQR.cc, liboctave/numeric/floatQRP.cc,
liboctave/numeric/floatQRP.h, liboctave/numeric/floatSCHUR.cc,
liboctave/numeric/floatSCHUR.h, liboctave/numeric/floatSVD.cc,
liboctave/numeric/floatSVD.h, liboctave/numeric/lo-mappers.cc,
liboctave/numeric/lo-mappers.h, liboctave/numeric/lo-specfun.cc,
liboctave/numeric/lo-specfun.h, liboctave/numeric/oct-convn.cc,
liboctave/numeric/oct-fftw.cc, liboctave/numeric/oct-fftw.h,
liboctave/numeric/oct-norm.cc, liboctave/numeric/oct-rand.cc,
liboctave/numeric/oct-rand.h, liboctave/numeric/randgamma.c,
liboctave/numeric/randgamma.h, liboctave/numeric/randmtzig.c,
liboctave/numeric/randpoisson.c, liboctave/numeric/randpoisson.h,
liboctave/numeric/sparse-base-chol.h, liboctave/numeric/sparse-base-lu.h,
liboctave/numeric/sparse-dmsolve.cc, liboctave/operators/Sparse-diag-op-defs.h,
liboctave/operators/Sparse-op-defs.h, liboctave/operators/mx-inlines.cc,
liboctave/system/dir-ops.h, liboctave/system/file-ops.cc,
liboctave/system/file-stat.cc, liboctave/system/file-stat.h,
liboctave/system/lo-sysdep.cc, liboctave/system/lo-sysdep.h,
liboctave/system/mach-info.cc, liboctave/system/mach-info.h,
liboctave/system/oct-env.cc, liboctave/system/oct-group.cc,
liboctave/system/oct-syscalls.cc, liboctave/system/oct-syscalls.h,
liboctave/system/oct-time.h, liboctave/system/tempname.c,
liboctave/util/action-container.h, liboctave/util/base-list.h,
liboctave/util/cmd-edit.cc, liboctave/util/cmd-edit.h,
liboctave/util/cmd-hist.cc, liboctave/util/cmd-hist.h,
liboctave/util/data-conv.cc, liboctave/util/data-conv.h,
liboctave/util/kpse.cc, liboctave/util/lo-array-gripes.cc,
liboctave/util/lo-cieee.c, liboctave/util/lo-regexp.cc,
liboctave/util/lo-utils.cc, liboctave/util/oct-alloc.cc,
liboctave/util/oct-base64.cc, liboctave/util/oct-binmap.h,
liboctave/util/oct-cmplx.h, liboctave/util/oct-glob.cc,
liboctave/util/oct-inttypes.cc, liboctave/util/oct-inttypes.h,
liboctave/util/oct-locbuf.cc, liboctave/util/oct-locbuf.h,
liboctave/util/oct-mem.h, liboctave/util/oct-mutex.cc,
liboctave/util/oct-refcount.h, liboctave/util/oct-shlib.cc,
liboctave/util/oct-shlib.h, liboctave/util/oct-sort.cc,
liboctave/util/oct-sort.h, liboctave/util/pathsearch.cc,
liboctave/util/pathsearch.h, liboctave/util/sparse-util.cc,
liboctave/util/str-vec.cc, liboctave/util/str-vec.h,
liboctave/util/unwind-prot.h, liboctave/util/url-transfer.cc,
liboctave/util/url-transfer.h: Use GNU style coding conventions.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 26 Oct 2013 18:57:05 -0700 |
parents | d63878346099 |
children | 4197fc428c7d |
line wrap: on
line source
/* Copyright (C) 1996-2013 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if !defined (octave_file_stat_h) #define octave_file_stat_h 1 #include <string> #include "oct-time.h" #include <sys/types.h> class OCTAVE_API base_file_stat { public: base_file_stat (void) : initialized (false), fail (false), errmsg (), fs_mode (), fs_ino (), fs_dev (), fs_nlink (), fs_uid (), fs_gid (), fs_size (), fs_atime (), fs_mtime (), fs_ctime (), fs_rdev (), fs_blksize (), fs_blocks () { } base_file_stat (const base_file_stat& fs) : initialized (fs.initialized), fail (fs.fail), errmsg (fs.errmsg), fs_mode (fs.fs_mode), fs_ino (fs.fs_ino), fs_dev (fs.fs_dev), fs_nlink (fs.fs_nlink), fs_uid (fs.fs_uid), fs_gid (fs.fs_gid), fs_size (fs.fs_size), fs_atime (fs.fs_atime), fs_mtime (fs.fs_mtime), fs_ctime (fs.fs_ctime), fs_rdev (fs.fs_rdev), fs_blksize (fs.fs_blksize), fs_blocks (fs.fs_blocks) { } base_file_stat& operator = (const base_file_stat& fs) { if (this != &fs) { initialized = fs.initialized; fail = fs.fail; errmsg = fs.errmsg; fs_mode = fs.fs_mode; fs_ino = fs.fs_ino; fs_dev = fs.fs_dev; fs_nlink = fs.fs_nlink; fs_uid = fs.fs_uid; fs_gid = fs.fs_gid; fs_size = fs.fs_size; fs_atime = fs.fs_atime; fs_mtime = fs.fs_mtime; fs_ctime = fs.fs_ctime; fs_rdev = fs.fs_rdev; fs_blksize = fs.fs_blksize; fs_blocks = fs.fs_blocks; } return *this; } // The minimum difference in file time stamp values. // FIXME: This value should come from the filesystem itself. // How can we get that info? octave_time time_resolution (void) const { static octave_time resolution (1.0); return resolution; } // File status and info. The is_XXX functions will return false for // file_stat objects that are not properly initialized. The others // should all return 0 (or the equivalent, for the given object) // which is likely not meaningful. bool is_blk (void) const; bool is_chr (void) const; bool is_dir (void) const; bool is_fifo (void) const; bool is_lnk (void) const; bool is_reg (void) const; bool is_sock (void) const; static bool is_blk (mode_t mode); static bool is_chr (mode_t mode); static bool is_dir (mode_t mode); static bool is_fifo (mode_t mode); static bool is_lnk (mode_t mode); static bool is_reg (mode_t mode); static bool is_sock (mode_t mode); ino_t ino (void) const { return fs_ino; } dev_t dev (void) const { return fs_dev; } nlink_t nlink (void) const { return fs_nlink; } uid_t uid (void) const { return fs_uid; } gid_t gid (void) const { return fs_gid; } off_t size (void) const { return fs_size; } octave_time atime (void) const { return fs_atime; } octave_time mtime (void) const { return fs_mtime; } octave_time ctime (void) const { return fs_ctime; } dev_t rdev (void) const { return fs_rdev; } long blksize (void) const { return fs_blksize; } long blocks (void) const { return fs_blocks; } mode_t mode (void) const { return fs_mode; } std::string mode_as_string (void) const; bool ok (void) const { return initialized && ! fail; } operator bool () const { return ok (); } bool exists (void) const { return ok (); } std::string error (void) const { return ok () ? std::string () : errmsg; } // Has the file referenced by this object been modified since TIME? bool is_newer (const octave_time& time) const { return fs_mtime > time; } // It's nice to be able to hide the file_stat object if we don't // really care about it. static int is_newer (const std::string&, const octave_time&); protected: virtual ~base_file_stat (void) { } // TRUE means we have already called stat. bool initialized; // TRUE means the stat for this file failed. bool fail; // If a failure occurs, this contains the system error text. std::string errmsg; // file type and permissions mode_t fs_mode; // serial number ino_t fs_ino; // device number dev_t fs_dev; // number of links nlink_t fs_nlink; // user ID of owner uid_t fs_uid; // group ID of owner gid_t fs_gid; // size in bytes, for regular files off_t fs_size; // time of last access octave_time fs_atime; // time of last modification octave_time fs_mtime; // time of last file status change octave_time fs_ctime; // device number for special files dev_t fs_rdev; // best I/O block size long fs_blksize; // number of 512-byte blocks allocated long fs_blocks; }; class OCTAVE_API file_stat : public base_file_stat { public: file_stat (const std::string& n = std::string (), bool fl = true) : base_file_stat (), file_name (n), follow_links (fl) { if (! file_name.empty ()) update_internal (); } file_stat (const file_stat& fs) : base_file_stat (fs), file_name (fs.file_name), follow_links (fs.follow_links) { } file_stat& operator = (const file_stat& fs) { if (this != &fs) { base_file_stat::operator = (fs); file_name = fs.file_name; follow_links = fs.follow_links; } return *this; } ~file_stat (void) { } void get_stats (bool force = false) { if (! initialized || force) update_internal (force); } void get_stats (const std::string& n, bool force = false) { if (n != file_name || ! initialized || force) { initialized = false; file_name = n; update_internal (force); } } private: // Name of the file. std::string file_name; // TRUE means follow symbolic links to the ultimate file (stat). // FALSE means get information about the link itself (lstat). bool follow_links; void update_internal (bool force = false); }; class OCTAVE_API file_fstat : public base_file_stat { public: file_fstat (int n) : base_file_stat (), fid (n) { update_internal (); } file_fstat (const file_fstat& fs) : base_file_stat (fs), fid (fs.fid) { } file_fstat& operator = (const file_fstat& fs) { if (this != &fs) { base_file_stat::operator = (fs); fid = fs.fid; } return *this; } ~file_fstat (void) { } void get_stats (bool force = false) { if (! initialized || force) update_internal (force); } void get_stats (int n, bool force = false) { if (n != fid || ! initialized || force) { initialized = false; fid = n; update_internal (force); } } private: // Open file descriptor. int fid; void update_internal (bool force = false); }; #endif