Mercurial > octave
annotate libinterp/corefcn/c-file-ptr-stream.cc @ 31605:e88a07dec498 stable
maint: Use macros to begin/end C++ namespaces.
* oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE,
OCTAVE_END_NAMESPACE) that can be used to start/end a namespace.
* mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc,
__dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc,
__ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc,
__magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc,
auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h,
besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc,
colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc,
defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc,
display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc,
ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h,
event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc,
fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc,
ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc,
getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc,
gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc,
graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc,
help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h,
interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h,
inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc,
latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h,
lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h,
mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc,
oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h,
oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h,
oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h,
oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy,
ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc,
pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc,
qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h,
sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc,
sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h,
stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc,
symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h,
symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h,
text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc,
toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc,
url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc,
variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h,
__delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc,
audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh,
mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc,
cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h,
cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h,
cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc,
ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h,
ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc,
ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h,
ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc,
op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc,
op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc,
op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc,
op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc,
op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc,
op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc,
op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc,
op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc,
op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc,
op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc,
op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc,
op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h,
anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h,
comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc,
oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h,
pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h,
pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h,
pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h,
pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h,
pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc,
pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc,
pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc,
pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc,
pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc,
pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc,
pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h,
pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h,
range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc,
chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h,
lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h,
oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h,
oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc,
qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc,
randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc,
sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc,
child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc,
file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h,
mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h,
oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc,
oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h,
base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h,
file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc,
lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h,
oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h,
oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h,
oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h,
pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h,
url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.
| author | Rik <rik@octave.org> |
|---|---|
| date | Thu, 01 Dec 2022 14:23:45 -0800 |
| parents | 796f54d4ddbf |
| children | 597f3ee61a48 |
| rev | line source |
|---|---|
|
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2000-2022 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
| 3628 | 25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
| 3628 | 28 #endif |
| 29 | |
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30 #include <iomanip> |
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31 |
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32 #include "filepos-wrappers.h" |
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33 |
| 3629 | 34 #include "c-file-ptr-stream.h" |
| 3628 | 35 |
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36 OCTAVE_BEGIN_NAMESPACE(octave) |
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37 |
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38 #if ! defined (SEEK_SET) |
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39 # define SEEK_SET 0 |
| 3628 | 40 #endif |
| 41 | |
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42 #if ! defined (SEEK_CUR) |
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43 # define SEEK_CUR 1 |
| 3628 | 44 #endif |
| 45 | |
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46 #if ! defined (SEEK_END) |
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47 # define SEEK_END 2 |
| 3628 | 48 #endif |
| 49 | |
| 3642 | 50 c_file_ptr_buf::~c_file_ptr_buf (void) |
| 51 { | |
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52 buf_close (); |
| 3642 | 53 } |
| 3628 | 54 |
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55 // FIXME: I'm sure there is room for improvement here... |
| 3628 | 56 |
| 3775 | 57 c_file_ptr_buf::int_type |
| 58 c_file_ptr_buf::overflow (int_type c) | |
| 3628 | 59 { |
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60 if (m_f) |
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61 return (c != traits_type::eof ()) ? std::fputc (c, m_f) : flush (); |
| 3775 | 62 else |
| 63 return traits_type::not_eof (c); | |
| 3628 | 64 } |
| 65 | |
| 3775 | 66 c_file_ptr_buf::int_type |
| 4310 | 67 c_file_ptr_buf::underflow_common (bool bump) |
| 3628 | 68 { |
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69 if (m_f) |
| 4310 | 70 { |
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71 int_type c = std::fgetc (m_f); |
| 4310 | 72 |
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73 if (! bump && c != traits_type::eof ()) |
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74 ungetc (c, m_f); |
| 4310 | 75 |
| 76 return c; | |
| 77 } | |
| 3644 | 78 else |
| 3775 | 79 return traits_type::eof (); |
| 3628 | 80 } |
| 81 | |
| 3775 | 82 c_file_ptr_buf::int_type |
| 83 c_file_ptr_buf::pbackfail (int_type c) | |
| 3628 | 84 { |
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85 return ((c != traits_type::eof () && m_f) |
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86 ? ungetc (c, m_f) : traits_type::not_eof (c)); |
| 3628 | 87 } |
| 88 | |
| 89 std::streamsize | |
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90 c_file_ptr_buf::xsputn (const char *s, std::streamsize n) |
| 3628 | 91 { |
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92 if (m_f) |
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93 return std::fwrite (s, 1, n, m_f); |
| 3644 | 94 else |
| 95 return 0; | |
| 3628 | 96 } |
| 97 | |
| 98 std::streamsize | |
| 99 c_file_ptr_buf::xsgetn (char *s, std::streamsize n) | |
| 100 { | |
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101 if (m_f) |
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102 return std::fread (s, 1, n, m_f); |
| 3644 | 103 else |
| 104 return 0; | |
| 3628 | 105 } |
| 106 | |
| 107 static inline int | |
| 108 seekdir_to_whence (std::ios::seekdir dir) | |
| 109 { | |
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110 return (dir == std::ios::beg |
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111 ? SEEK_SET : (dir == std::ios::cur |
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112 ? SEEK_CUR : (dir == std::ios::end |
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113 ? SEEK_END : dir))); |
| 3628 | 114 } |
| 115 | |
| 116 std::streampos | |
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117 c_file_ptr_buf::seekoff (std::streamoff offset, |
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118 std::ios::seekdir dir, |
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119 std::ios::openmode) |
| 3628 | 120 { |
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121 if (m_f) |
| 3644 | 122 { |
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123 octave_fseeko_wrapper (m_f, offset, seekdir_to_whence (dir)); |
| 3628 | 124 |
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125 return octave_ftello_wrapper (m_f); |
| 3644 | 126 } |
| 127 else | |
| 128 return 0; | |
| 3628 | 129 } |
| 130 | |
| 131 std::streampos | |
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132 c_file_ptr_buf::seekpos (std::streampos offset, std::ios::openmode) |
| 3628 | 133 { |
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134 if (m_f) |
| 3644 | 135 { |
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136 octave_fseeko_wrapper (m_f, offset, SEEK_SET); |
| 3628 | 137 |
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138 return octave_ftello_wrapper (m_f); |
| 3644 | 139 } |
| 140 else | |
| 141 return 0; | |
| 3628 | 142 } |
| 143 | |
| 144 int | |
| 145 c_file_ptr_buf::sync (void) | |
| 146 { | |
| 3652 | 147 flush (); |
| 148 | |
| 3628 | 149 return 0; |
| 150 } | |
| 151 | |
| 3652 | 152 int |
| 153 c_file_ptr_buf::flush (void) | |
| 154 { | |
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155 return m_f ? std::fflush (m_f) : traits_type::eof (); |
| 3652 | 156 } |
| 157 | |
| 158 int | |
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159 c_file_ptr_buf::buf_close (void) |
| 3652 | 160 { |
| 3693 | 161 int retval = -1; |
| 162 | |
| 3716 | 163 flush (); |
| 164 | |
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165 if (m_f) |
| 3693 | 166 { |
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167 retval = m_cf (m_f); |
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168 m_f = nullptr; |
| 3693 | 169 } |
| 170 | |
| 171 return retval; | |
| 3652 | 172 } |
| 173 | |
| 10411 | 174 int |
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175 c_file_ptr_buf::seek (off_t offset, int origin) |
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176 { |
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177 return m_f ? octave_fseeko_wrapper (m_f, offset, origin) : -1; |
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178 } |
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179 |
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180 off_t |
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181 c_file_ptr_buf::tell (void) |
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182 { |
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183 return m_f ? octave_ftello_wrapper (m_f) : -1; |
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184 } |
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185 |
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186 int |
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187 c_file_ptr_buf::file_close (FILE *m_f) |
| 10411 | 188 { |
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189 return std::fclose (m_f); |
| 10411 | 190 } |
| 191 | |
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192 #if defined (HAVE_ZLIB) |
| 5325 | 193 |
| 194 c_zfile_ptr_buf::~c_zfile_ptr_buf (void) | |
| 195 { | |
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196 buf_close (); |
| 5325 | 197 } |
| 198 | |
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199 // FIXME: I'm sure there is room for improvement here... |
| 5325 | 200 |
| 201 c_zfile_ptr_buf::int_type | |
| 202 c_zfile_ptr_buf::overflow (int_type c) | |
| 203 { | |
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204 if (m_f) |
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205 return (c != traits_type::eof ()) ? gzputc (m_f, c) : flush (); |
| 5325 | 206 else |
| 207 return traits_type::not_eof (c); | |
| 208 } | |
| 209 | |
| 210 c_zfile_ptr_buf::int_type | |
| 211 c_zfile_ptr_buf::underflow_common (bool bump) | |
| 212 { | |
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213 if (m_f) |
| 5325 | 214 { |
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215 int_type c = gzgetc (m_f); |
| 5325 | 216 |
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217 if (! bump && c != traits_type::eof ()) |
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218 gzungetc (c, m_f); |
| 5325 | 219 |
| 220 return c; | |
| 221 } | |
| 222 else | |
| 223 return traits_type::eof (); | |
| 224 } | |
| 225 | |
| 226 c_zfile_ptr_buf::int_type | |
| 227 c_zfile_ptr_buf::pbackfail (int_type c) | |
| 228 { | |
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229 return ((c != traits_type::eof () && m_f) |
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230 ? gzungetc (c, m_f) : traits_type::not_eof (c)); |
| 5325 | 231 } |
| 232 | |
| 233 std::streamsize | |
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234 c_zfile_ptr_buf::xsputn (const char *s, std::streamsize n) |
| 5325 | 235 { |
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236 if (m_f) |
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237 return gzwrite (m_f, s, n); |
| 5325 | 238 else |
| 239 return 0; | |
| 240 } | |
| 241 | |
| 242 std::streamsize | |
| 243 c_zfile_ptr_buf::xsgetn (char *s, std::streamsize n) | |
| 244 { | |
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245 if (m_f) |
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246 return gzread (m_f, s, n); |
| 5325 | 247 else |
| 248 return 0; | |
| 249 } | |
| 250 | |
| 251 std::streampos | |
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252 c_zfile_ptr_buf::seekoff (std::streamoff /* offset */, |
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253 std::ios::seekdir /* dir */, |
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254 std::ios::openmode) |
| 5325 | 255 { |
| 5775 | 256 // FIXME |
| 5325 | 257 #if 0 |
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258 if (m_f) |
| 5325 | 259 { |
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260 gzseek (m_f, offset, seekdir_to_whence (dir)); |
| 5325 | 261 |
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262 return gztell (m_f); |
| 5325 | 263 } |
| 264 else | |
| 265 return 0; | |
| 266 #endif | |
| 267 return -1; | |
| 268 } | |
| 269 | |
| 270 std::streampos | |
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271 c_zfile_ptr_buf::seekpos (std::streampos /* offset */, std::ios::openmode) |
| 5325 | 272 { |
| 5775 | 273 // FIXME |
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274 #if 0 |
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275 if (m_f) |
| 5325 | 276 { |
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277 gzseek (m_f, offset, SEEK_SET); |
| 5325 | 278 |
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279 return gztell (m_f); |
| 5325 | 280 } |
| 281 else | |
| 282 return 0; | |
| 283 #endif | |
| 284 return -1; | |
| 285 } | |
| 286 | |
| 287 int | |
| 288 c_zfile_ptr_buf::sync (void) | |
| 289 { | |
| 290 flush (); | |
| 291 | |
| 292 return 0; | |
| 293 } | |
| 294 | |
| 295 int | |
| 296 c_zfile_ptr_buf::flush (void) | |
| 297 { | |
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298 // FIXME: do we need something more complex here, passing |
| 5325 | 299 // something other than 0 for the second argument to gzflush and |
| 300 // checking the return value, etc.? | |
| 301 | |
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302 return m_f ? gzflush (m_f, 0) : traits_type::eof (); |
| 5325 | 303 } |
| 304 | |
| 305 int | |
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306 c_zfile_ptr_buf::buf_close (void) |
| 5325 | 307 { |
| 308 int retval = -1; | |
| 309 | |
| 310 flush (); | |
| 311 | |
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312 if (m_f) |
| 5325 | 313 { |
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314 retval = m_cf (m_f); |
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315 m_f = nullptr; |
| 5325 | 316 } |
| 317 | |
| 318 return retval; | |
| 319 } | |
| 320 | |
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321 #endif |
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322 |
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323 OCTAVE_END_NAMESPACE(octave) |