Mercurial > octave
view liboctave/system/file-stat.h @ 21244:1473547f50f5
include octave-config.h in public header files
* mk-opts.pl, mkbuiltins, mk-ops.awk, sparse-mk-ops.awk:
Emit "#include octave-config.h" statement for generated header files.
* build-env.h, builtins.h, Cell.h, base-text-renderer.h,
c-file-ptr-stream.h, cdisplay.h, comment-list.h, data.h, debug.h,
defaults.in.h, defun-dld.h, defun-int.h, defun.h, dirfns.h, display.h,
dynamic-ld.h, error.h, errwarn.h, event-queue.h, file-io.h,
ft-text-renderer.h, gl-render.h, gl2ps-print.h, graphics.in.h,
gripes.h, help.h, hook-fcn.h, input.h, jit-ir.h, jit-typeinfo.h,
jit-util.h, load-path.h, load-save.h, ls-ascii-helper.h, ls-hdf5.h,
ls-mat-ascii.h, ls-mat4.h, ls-mat5.h, ls-oct-binary.h, ls-oct-text.h,
ls-utils.h, mex.h, mexproto.h, mxarray.in.h, oct-errno.h, oct-fstrm.h,
oct-handle.h, oct-hdf5-types.h, oct-hdf5.h, oct-hist.h, oct-iostrm.h,
oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.h,
oct-procbuf.h, oct-stdstrm.h, oct-stream.h, oct-strstrm.h, oct.h,
octave-default-image.h, octave-link.h, octave-preserve-stream-state.h,
pager.h, pr-output.h, procstream.h, profiler.h, pt-jit.h,
sighandlers.h, siglist.h, sparse-xdiv.h, sparse-xpow.h, symtab.h,
sysdep.h, text-renderer.h, toplev.h, txt-eng.h, utils.h, variables.h,
workspace-element.h, xdiv.h, xnorm.h, xpow.h, zfstream.h, oct-qhull.h,
ov-base-diag.h, ov-base-int.h, ov-base-mat.h, ov-base-scalar.h,
ov-base-sparse.h, ov-base.h, ov-bool-mat.h, ov-bool-sparse.h,
ov-bool.h, ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h,
ov-classdef.h, ov-colon.h, ov-complex.h, ov-cs-list.h, ov-cx-diag.h,
ov-cx-mat.h, ov-cx-sparse.h, ov-dld-fcn.h, ov-fcn-handle.h,
ov-fcn-inline.h, ov-fcn.h, ov-float.h, ov-flt-complex.h,
ov-flt-cx-diag.h, ov-flt-cx-mat.h, ov-flt-re-diag.h, ov-flt-re-mat.h,
ov-int-traits.h, ov-int16.h, ov-int32.h, ov-int64.h, ov-int8.h,
ov-intx.h, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.h,
ov-oncleanup.h, ov-perm.h, ov-range.h, ov-re-diag.h, ov-re-mat.h,
ov-re-sparse.h, ov-scalar.h, ov-str-mat.h, ov-struct.h,
ov-type-conv.h, ov-typeinfo.h, ov-uint16.h, ov-uint32.h, ov-uint64.h,
ov-uint8.h, ov-usr-fcn.h, ov.h, ovl.h, octave.h, op-int.h, ops.h,
options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.h,
pt-array-list.h, pt-assign.h, pt-binop.h, pt-bp.h, pt-cbinop.h,
pt-cell.h, pt-check.h, pt-classdef.h, pt-cmd.h, pt-colon.h,
pt-const.h, pt-decl.h, pt-eval.h, pt-except.h, pt-exp.h,
pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-idx.h, pt-jump.h,
pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-select.h, pt-stmt.h,
pt-unop.h, pt-walk.h, pt.h, token.h, version.in.h, Array-util.h,
Array.h, CColVector.h, CDiagMatrix.h, CMatrix.h, CNDArray.h,
CRowVector.h, CSparse.h, DiagArray2.h, MArray.h, MDiagArray2.h,
MSparse.h, Matrix.h, MatrixType.h, PermMatrix.h, Range.h, Sparse.h,
boolMatrix.h, boolNDArray.h, boolSparse.h, chMatrix.h, chNDArray.h,
dColVector.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, dRowVector.h,
dSparse.h, dim-vector.h, fCColVector.h, fCDiagMatrix.h, fCMatrix.h,
fCNDArray.h, fCRowVector.h, fColVector.h, fDiagMatrix.h, fMatrix.h,
fNDArray.h, fRowVector.h, idx-vector.h, int16NDArray.h,
int32NDArray.h, int64NDArray.h, int8NDArray.h, intNDArray.h,
uint16NDArray.h, uint32NDArray.h, uint64NDArray.h, uint8NDArray.h,
f77-fcn.h, lo-error.h, quit.h, CmplxAEPBAL.h, CmplxCHOL.h,
CmplxGEPBAL.h, CmplxHESS.h, CmplxLU.h, CmplxQR.h, CmplxQRP.h,
CmplxSCHUR.h, CmplxSVD.h, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h,
DAERTFunc.h, DASPK.h, DASRT.h, DASSL.h, DET.h, EIG.h, LSODE.h, ODE.h,
ODEFunc.h, ODES.h, ODESFunc.h, Quad.h, base-aepbal.h, base-dae.h,
base-de.h, base-lu.h, base-min.h, base-qr.h, bsxfun-decl.h, bsxfun.h,
dbleAEPBAL.h, dbleCHOL.h, dbleGEPBAL.h, dbleHESS.h, dbleLU.h,
dbleQR.h, dbleQRP.h, dbleSCHUR.h, dbleSVD.h, eigs-base.h,
fCmplxAEPBAL.h, fCmplxCHOL.h, fCmplxGEPBAL.h, fCmplxHESS.h,
fCmplxLU.h, fCmplxQR.h, fCmplxQRP.h, fCmplxSCHUR.h, fCmplxSVD.h,
fEIG.h, floatAEPBAL.h, floatCHOL.h, floatGEPBAL.h, floatHESS.h,
floatLU.h, floatQR.h, floatQRP.h, floatSCHUR.h, floatSVD.h,
lo-mappers.h, lo-specfun.h, oct-convn.h, oct-fftw.h, oct-norm.h,
oct-rand.h, oct-spparms.h, randgamma.h, randmtzig.h, randpoisson.h,
sparse-chol.h, sparse-dmsolve.h, sparse-lu.h, sparse-qr.h,
Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h,
Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-op-decl.h,
mx-op-defs.h, dir-ops.h, file-ops.h, file-stat.h, lo-sysdep.h,
mach-info.h, oct-env.h, oct-group.h, oct-openmp.h, oct-passwd.h,
oct-syscalls.h, oct-time.h, oct-uname.h, pathlen.h, sysdir.h,
syswait.h, action-container.h, base-list.h, byte-swap.h,
caseless-str.h, cmd-edit.h, cmd-hist.h, data-conv.h, functor.h,
glob-match.h, lo-array-errwarn.h, lo-array-gripes.h, lo-cutils.h,
lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.h, lo-traits.h,
lo-utils.h, oct-alloc.h, oct-base64.h, oct-binmap.h, oct-cmplx.h,
oct-glob.h, oct-inttypes.h, oct-locbuf.h, oct-mutex.h, oct-refcount.h,
oct-rl-edit.h, oct-rl-hist.h, oct-shlib.h, oct-sort.h, oct-sparse.h,
pathsearch.h, singleton-cleanup.h, sparse-sort.h, sparse-util.h,
statdefs.h, str-vec.h, sun-utils.h, unwind-prot.h, url-transfer.h:
Include octave-config.h.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 10 Feb 2016 14:25:53 -0500 |
parents | 93748bcaec17 |
children | 30c53770f47e |
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/* Copyright (C) 1996-2015 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 "octave-config.h" #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 () ? "" : 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 = "", 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