Mercurial > octave
annotate libinterp/corefcn/c-file-ptr-stream.cc @ 29358:0a5b15007766 stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 10 Feb 2021 09:52:15 -0500 |
| parents | bd51beb6205e |
| children | 3988112c7116 |
| rev | line source |
|---|---|
|
27923
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
1 //////////////////////////////////////////////////////////////////////// |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
2 // |
|
29358
0a5b15007766
update Octave Project Developers copyright for the new year
John W. Eaton <jwe@octave.org>
parents:
27923
diff
changeset
|
3 // Copyright (C) 2000-2021 The Octave Project Developers |
|
27923
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
4 // |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
5 // See the file COPYRIGHT.md in the top-level directory of this |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
6 // distribution or <https://octave.org/copyright/>. |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
7 // |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
8 // This file is part of Octave. |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
9 // |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
10 // Octave is free software: you can redistribute it and/or modify it |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
11 // under the terms of the GNU General Public License as published by |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
12 // the Free Software Foundation, either version 3 of the License, or |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
13 // (at your option) any later version. |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
14 // |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
15 // Octave is distributed in the hope that it will be useful, but |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
18 // GNU General Public License for more details. |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
19 // |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
20 // You should have received a copy of the GNU General Public License |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
21 // along with Octave; see the file COPYING. If not, see |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
22 // <https://www.gnu.org/licenses/>. |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
23 // |
|
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
24 //////////////////////////////////////////////////////////////////////// |
| 3628 | 25 |
|
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21550
diff
changeset
|
26 #if defined (HAVE_CONFIG_H) |
|
21301
40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
27 # include "config.h" |
| 3628 | 28 #endif |
| 29 | |
|
25438
cb1606f78f6b
prefer <istream>, <ostream>, or <iosfwd> to <iostream> where possible
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
30 #include <iomanip> |
|
8950
d865363208d6
include <iosfwd> instead of <iostream> in header files
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
31 |
|
21913
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
32 #include "filepos-wrappers.h" |
|
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
33 |
| 3629 | 34 #include "c-file-ptr-stream.h" |
| 3628 | 35 |
|
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21550
diff
changeset
|
36 #if ! defined (SEEK_SET) |
|
21200
fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
Rik <rik@octave.org>
parents:
21184
diff
changeset
|
37 # define SEEK_SET 0 |
| 3628 | 38 #endif |
| 39 | |
|
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21550
diff
changeset
|
40 #if ! defined (SEEK_CUR) |
|
21200
fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
Rik <rik@octave.org>
parents:
21184
diff
changeset
|
41 # define SEEK_CUR 1 |
| 3628 | 42 #endif |
| 43 | |
|
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21550
diff
changeset
|
44 #if ! defined (SEEK_END) |
|
21200
fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
Rik <rik@octave.org>
parents:
21184
diff
changeset
|
45 # define SEEK_END 2 |
| 3628 | 46 #endif |
| 47 | |
| 3642 | 48 c_file_ptr_buf::~c_file_ptr_buf (void) |
| 49 { | |
|
10288
5e972e2deffe
avoid some possible gnulib #defines
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
50 buf_close (); |
| 3642 | 51 } |
| 3628 | 52 |
|
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
53 // FIXME: I'm sure there is room for improvement here... |
| 3628 | 54 |
| 3775 | 55 c_file_ptr_buf::int_type |
| 56 c_file_ptr_buf::overflow (int_type c) | |
| 3628 | 57 { |
| 3775 | 58 if (f) |
|
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21913
diff
changeset
|
59 return (c != traits_type::eof ()) ? std::fputc (c, f) : flush (); |
| 3775 | 60 else |
| 61 return traits_type::not_eof (c); | |
| 3628 | 62 } |
| 63 | |
| 3775 | 64 c_file_ptr_buf::int_type |
| 4310 | 65 c_file_ptr_buf::underflow_common (bool bump) |
| 3628 | 66 { |
| 3644 | 67 if (f) |
| 4310 | 68 { |
|
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21913
diff
changeset
|
69 int_type c = std::fgetc (f); |
| 4310 | 70 |
|
21183
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
71 if (! bump && c != traits_type::eof ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10288
diff
changeset
|
72 ungetc (c, f); |
| 4310 | 73 |
| 74 return c; | |
| 75 } | |
| 3644 | 76 else |
| 3775 | 77 return traits_type::eof (); |
| 3628 | 78 } |
| 79 | |
| 3775 | 80 c_file_ptr_buf::int_type |
| 81 c_file_ptr_buf::pbackfail (int_type c) | |
| 3628 | 82 { |
|
21183
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
83 return ((c != traits_type::eof () && f) |
|
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
84 ? ungetc (c, f) : traits_type::not_eof (c)); |
| 3628 | 85 } |
| 86 | |
| 87 std::streamsize | |
|
23449
c763214a8260
maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
88 c_file_ptr_buf::xsputn (const char *s, std::streamsize n) |
| 3628 | 89 { |
| 3644 | 90 if (f) |
|
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21913
diff
changeset
|
91 return std::fwrite (s, 1, n, f); |
| 3644 | 92 else |
| 93 return 0; | |
| 3628 | 94 } |
| 95 | |
| 96 std::streamsize | |
| 97 c_file_ptr_buf::xsgetn (char *s, std::streamsize n) | |
| 98 { | |
| 3644 | 99 if (f) |
|
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21913
diff
changeset
|
100 return std::fread (s, 1, n, f); |
| 3644 | 101 else |
| 102 return 0; | |
| 3628 | 103 } |
| 104 | |
| 105 static inline int | |
| 106 seekdir_to_whence (std::ios::seekdir dir) | |
| 107 { | |
|
21183
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
108 return (dir == std::ios::beg |
|
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
109 ? SEEK_SET : (dir == std::ios::cur |
|
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
110 ? SEEK_CUR : (dir == std::ios::end |
|
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
111 ? SEEK_END : dir))); |
| 3628 | 112 } |
| 113 | |
| 114 std::streampos | |
|
21550
7ebd8ac26178
Enable seekg and tellg on octave_stream (bug #47517)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21301
diff
changeset
|
115 c_file_ptr_buf::seekoff (std::streamoff offset, |
|
7ebd8ac26178
Enable seekg and tellg on octave_stream (bug #47517)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21301
diff
changeset
|
116 std::ios::seekdir dir, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10288
diff
changeset
|
117 std::ios::openmode) |
| 3628 | 118 { |
| 3644 | 119 if (f) |
| 120 { | |
|
21913
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
121 octave_fseeko_wrapper (f, offset, seekdir_to_whence (dir)); |
| 3628 | 122 |
|
21913
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
123 return octave_ftello_wrapper (f); |
| 3644 | 124 } |
| 125 else | |
| 126 return 0; | |
| 3628 | 127 } |
| 128 | |
| 129 std::streampos | |
|
21550
7ebd8ac26178
Enable seekg and tellg on octave_stream (bug #47517)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
21301
diff
changeset
|
130 c_file_ptr_buf::seekpos (std::streampos offset, std::ios::openmode) |
| 3628 | 131 { |
| 3644 | 132 if (f) |
| 133 { | |
|
21913
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
134 octave_fseeko_wrapper (f, offset, SEEK_SET); |
| 3628 | 135 |
|
21913
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
136 return octave_ftello_wrapper (f); |
| 3644 | 137 } |
| 138 else | |
| 139 return 0; | |
| 3628 | 140 } |
| 141 | |
| 142 int | |
| 143 c_file_ptr_buf::sync (void) | |
| 144 { | |
| 3652 | 145 flush (); |
| 146 | |
| 3628 | 147 return 0; |
| 148 } | |
| 149 | |
| 3652 | 150 int |
| 151 c_file_ptr_buf::flush (void) | |
| 152 { | |
|
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21913
diff
changeset
|
153 return f ? std::fflush (f) : traits_type::eof (); |
| 3652 | 154 } |
| 155 | |
| 156 int | |
|
10288
5e972e2deffe
avoid some possible gnulib #defines
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
157 c_file_ptr_buf::buf_close (void) |
| 3652 | 158 { |
| 3693 | 159 int retval = -1; |
| 160 | |
| 3716 | 161 flush (); |
| 162 | |
| 3652 | 163 if (f) |
| 3693 | 164 { |
| 3716 | 165 retval = cf (f); |
|
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23449
diff
changeset
|
166 f = nullptr; |
| 3693 | 167 } |
| 168 | |
| 169 return retval; | |
| 3652 | 170 } |
| 171 | |
| 10411 | 172 int |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
173 c_file_ptr_buf::seek (off_t offset, int origin) |
|
12927
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
174 { |
|
21913
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
175 return f ? octave_fseeko_wrapper (f, offset, origin) : -1; |
|
12927
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
176 } |
|
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
177 |
|
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
178 off_t |
|
12927
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
179 c_file_ptr_buf::tell (void) |
|
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
180 { |
|
21913
c0604bba8da1
provide wrappers for fseeko and ftello
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
181 return f ? octave_ftello_wrapper (f) : -1; |
|
12927
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
182 } |
|
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
183 |
|
f9c1f7c1ead0
maint: undo part of previous gnulib changes
John W. Eaton <jwe@octave.org>
parents:
12912
diff
changeset
|
184 int |
| 10411 | 185 c_file_ptr_buf::file_close (FILE *f) |
| 186 { | |
|
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21913
diff
changeset
|
187 return std::fclose (f); |
| 10411 | 188 } |
| 189 | |
|
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21550
diff
changeset
|
190 #if defined (HAVE_ZLIB) |
| 5325 | 191 |
| 192 c_zfile_ptr_buf::~c_zfile_ptr_buf (void) | |
| 193 { | |
|
10288
5e972e2deffe
avoid some possible gnulib #defines
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
194 buf_close (); |
| 5325 | 195 } |
| 196 | |
|
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
197 // FIXME: I'm sure there is room for improvement here... |
| 5325 | 198 |
| 199 c_zfile_ptr_buf::int_type | |
| 200 c_zfile_ptr_buf::overflow (int_type c) | |
| 201 { | |
| 202 if (f) | |
| 203 return (c != traits_type::eof ()) ? gzputc (f, c) : flush (); | |
| 204 else | |
| 205 return traits_type::not_eof (c); | |
| 206 } | |
| 207 | |
| 208 c_zfile_ptr_buf::int_type | |
| 209 c_zfile_ptr_buf::underflow_common (bool bump) | |
| 210 { | |
| 211 if (f) | |
| 212 { | |
| 213 int_type c = gzgetc (f); | |
| 214 | |
|
21183
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
215 if (! bump && c != traits_type::eof ()) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10288
diff
changeset
|
216 gzungetc (c, f); |
| 5325 | 217 |
| 218 return c; | |
| 219 } | |
| 220 else | |
| 221 return traits_type::eof (); | |
| 222 } | |
| 223 | |
| 224 c_zfile_ptr_buf::int_type | |
| 225 c_zfile_ptr_buf::pbackfail (int_type c) | |
| 226 { | |
|
21183
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
227 return ((c != traits_type::eof () && f) |
|
e7fda94aec6b
eliminate OCTAVE_CXX_ISO_COMPLIANT_LIBRARY macro
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
228 ? gzungetc (c, f) : traits_type::not_eof (c)); |
| 5325 | 229 } |
| 230 | |
| 231 std::streamsize | |
|
23449
c763214a8260
maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
232 c_zfile_ptr_buf::xsputn (const char *s, std::streamsize n) |
| 5325 | 233 { |
| 234 if (f) | |
| 235 return gzwrite (f, s, n); | |
| 236 else | |
| 237 return 0; | |
| 238 } | |
| 239 | |
| 240 std::streamsize | |
| 241 c_zfile_ptr_buf::xsgetn (char *s, std::streamsize n) | |
| 242 { | |
| 243 if (f) | |
| 244 return gzread (f, s, n); | |
| 245 else | |
| 246 return 0; | |
| 247 } | |
| 248 | |
| 249 std::streampos | |
|
8802
061780d8da1e
c-file-ptr-stream.cc: avoid unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
250 c_zfile_ptr_buf::seekoff (std::streamoff /* offset */, |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10288
diff
changeset
|
251 std::ios::seekdir /* dir */, |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10288
diff
changeset
|
252 std::ios::openmode) |
| 5325 | 253 { |
| 5775 | 254 // FIXME |
| 5325 | 255 #if 0 |
| 256 if (f) | |
| 257 { | |
| 258 gzseek (f, offset, seekdir_to_whence (dir)); | |
| 259 | |
| 260 return gztell (f); | |
| 261 } | |
| 262 else | |
| 263 return 0; | |
| 264 #endif | |
| 265 return -1; | |
| 266 } | |
| 267 | |
| 268 std::streampos | |
|
8802
061780d8da1e
c-file-ptr-stream.cc: avoid unused parameter warnings
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
269 c_zfile_ptr_buf::seekpos (std::streampos /* offset */, std::ios::openmode) |
| 5325 | 270 { |
| 5775 | 271 // FIXME |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
272 #if 0 |
| 5325 | 273 if (f) |
| 274 { | |
| 275 gzseek (f, offset, SEEK_SET); | |
| 276 | |
| 277 return gztell (f); | |
| 278 } | |
| 279 else | |
| 280 return 0; | |
| 281 #endif | |
| 282 return -1; | |
| 283 } | |
| 284 | |
| 285 int | |
| 286 c_zfile_ptr_buf::sync (void) | |
| 287 { | |
| 288 flush (); | |
| 289 | |
| 290 return 0; | |
| 291 } | |
| 292 | |
| 293 int | |
| 294 c_zfile_ptr_buf::flush (void) | |
| 295 { | |
|
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
296 // FIXME: do we need something more complex here, passing |
| 5325 | 297 // something other than 0 for the second argument to gzflush and |
| 298 // checking the return value, etc.? | |
| 299 | |
|
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21183
diff
changeset
|
300 return f ? gzflush (f, 0) : traits_type::eof (); |
| 5325 | 301 } |
| 302 | |
| 303 int | |
|
10288
5e972e2deffe
avoid some possible gnulib #defines
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
304 c_zfile_ptr_buf::buf_close (void) |
| 5325 | 305 { |
| 306 int retval = -1; | |
| 307 | |
| 308 flush (); | |
| 309 | |
| 310 if (f) | |
| 311 { | |
| 312 retval = cf (f); | |
|
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23449
diff
changeset
|
313 f = nullptr; |
| 5325 | 314 } |
| 315 | |
| 316 return retval; | |
| 317 } | |
| 318 | |
| 319 #endif |