Bug Summary

File:/home/gilles/Devel/8.x/core/libs/dimg/filters/hotpixels/hotpixelsweights.cpp
Warning:line 261, column 111
The right operand of '*' is a garbage value

Annotated Source Code

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clang -cc1 -cc1 -triple aarch64-unknown-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name hotpixelsweights.cpp -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=non-leaf -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu generic -target-feature +v8a -target-feature +fp-armv8 -target-feature +neon -target-abi aapcs -debugger-tuning=gdb -fdebug-compilation-dir=/home/gilles/Devel/8.x/build.scan/core/libs/dimg -fcoverage-compilation-dir=/home/gilles/Devel/8.x/build.scan/core/libs/dimg -resource-dir /usr/lib/llvm-18/lib/clang/18 -D BUILDING_XMPCOMPAREANDMERGE_AS_STATIC=1 -D BUILDING_XMPCOMPAREANDMERGE_LIB=1 -D BanAllEntityUsage=1 -D CMS_NO_REGISTER_KEYWORD=1 -D EnablePluginManager=0 -D HAVE_FFMPEG_VERSION5 -D LIBPGF_DISABLE_OPENMP -D LINKING_XMPCORE_LIB=1 -D MAGICKCORE_HDRI_ENABLE=0 -D MAGICKCORE_QUANTUM_DEPTH=16 -D QT_DEPRECATED_WARNINGS -D QT_DEPRECATED_WARNINGS_SINCE=0x060000 -D QT_DISABLE_DEPRECATED_BEFORE=0x050E00 -D QT_NO_CAST_FROM_ASCII -D QT_NO_CAST_FROM_BYTEARRAY -D QT_NO_CAST_TO_ASCII -D QT_NO_FOREACH -D QT_NO_KEYWORDS -D QT_NO_NARROWING_CONVERSIONS_IN_CONNECT -D QT_NO_URL_CAST_FROM_STRING -D QT_STRICT_ITERATORS -D QT_USE_QSTRINGBUILDER -D TRANSLATION_DOMAIN="digikam" -D UNIX_ENV=1 -D USE_JASPER -D USE_JPEG -D USE_JPEG8 -D XMP_COMPONENT_INT_NAMESPACE=AdobeXMPCompareAndMerge_Int -D XMP_StaticBuild=1 -D _GNU_SOURCE -D _LARGEFILE64_SOURCE -D digikamcore_EXPORTS -D qDNGDebug=0 -D qDNGLittleEndian=1 -D qDNGThreadSafe=1 -D qDNGUseLibJPEG=1 -D qDNGUseStdInt=1 -D qDNGUseXMP=1 -D qDNGValidateTarget=1 -D qDNGXMPDocOps=0 -D qDNGXMPFiles=0 -D qLinux=1 -D qMacOS=0 -D qWinOS=0 -I /home/gilles/Devel/8.x/build.scan/core/libs/dimg -I /home/gilles/Devel/8.x/core/libs/dimg -I /home/gilles/Devel/8.x/build.scan/core/libs/dimg/core_dimg_obj_autogen/include -I /home/gilles/Devel/8.x/core/libs/video/player/qtmm -I /home/gilles/Devel/8.x/core/libs/album/engine -I /home/gilles/Devel/8.x/core/libs/album/manager -I /home/gilles/Devel/8.x/core/libs/album/treeview -I /home/gilles/Devel/8.x/core/libs/album/widgets -I /home/gilles/Devel/8.x/core/libs/database/collection -I /home/gilles/Devel/8.x/core/libs/database/coredb -I /home/gilles/Devel/8.x/core/libs/database/dbjobs -I /home/gilles/Devel/8.x/core/libs/database/engine -I 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/usr/include/aarch64-linux-gnu/ImageMagick-6 -I /opt/qt6/include/QtMultimedia -I /opt/qt6/include -I /opt/qt6/include/QtCore -I /opt/qt6/mkspecs/linux-g++ -I /opt/qt6/include/QtGui -I /opt/qt6/include/QtNetwork -I /opt/qt6/include/QtMultimediaWidgets -I /opt/qt6/include/QtWidgets -I /usr/include/glib-2.0 -I /usr/lib/aarch64-linux-gnu/glib-2.0/include -I /usr/include/lensfun -I /usr/include/eigen3 -I /opt/qt6/include/QtConcurrent -I /opt/qt6/include/QtXml -I /opt/qt6/include/KF6/KCoreAddons -I /opt/qt6/include/KF6/KConfig -I /opt/qt6/include/KF6/KConfigCore -I /opt/qt6/include/KF6/KI18n -I /opt/qt6/include/KF6/KWidgetsAddons -I /opt/qt6/include/QtGui/6.8.0 -I /opt/qt6/include/QtGui/6.8.0/QtGui -I /opt/qt6/include/QtCore/6.8.0 -I /opt/qt6/include/QtCore/6.8.0/QtCore -I /opt/qt6/include/QtDBus/6.8.0 -I /opt/qt6/include/QtDBus/6.8.0/QtDBus -internal-isystem /usr/lib/gcc/aarch64-linux-gnu/13/../../../../include/c++/13 -internal-isystem /usr/lib/gcc/aarch64-linux-gnu/13/../../../../include/aarch64-linux-gnu/c++/13 -internal-isystem /usr/lib/gcc/aarch64-linux-gnu/13/../../../../include/c++/13/backward -internal-isystem /usr/lib/llvm-18/lib/clang/18/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/aarch64-linux-gnu/13/../../../../aarch64-linux-gnu/include -internal-externc-isystem /usr/include/aarch64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wno-long-long -Wno-deprecated-copy -std=c++20 -fdeprecated-macro -ferror-limit 19 -fvisibility=hidden -fvisibility-inlines-hidden -fno-operator-names -fopenmp -fno-signed-char -fgnuc-version=4.2.1 -fno-implicit-modules -fskip-odr-check-in-gmf -fcxx-exceptions -fexceptions -analyzer-output=html -target-feature +outline-atomics -target-feature -fmv -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /mnt/data/Devel/8.x/project/reports/report.scan/2024-12-29-185812-2018963-1 -x c++ /home/gilles/Devel/8.x/core/libs/dimg/filters/hotpixels/hotpixelsweights.cpp

/home/gilles/Devel/8.x/core/libs/dimg/filters/hotpixels/hotpixelsweights.cpp

→
1/* ============================================================
2 *
3 * This file is a part of digiKam project
4 * https://www.digikam.org
5 *
6 * Date : 2005-03-27
7 * Description : a class to calculate filter weights for hot pixels tool
8 *
9 * SPDX-FileCopyrightText: 2005-2006 by Unai Garro <ugarro at users dot sourceforge dot net>
10 * SPDX-FileCopyrightText: 2005-2025 by Gilles Caulier <caulier dot gilles at gmail dot com>
11 *
12 * SPDX-License-Identifier: GPL-2.0-or-later
13 *
14 * ============================================================ */
15
16#include "hotpixelsweights.h"
17
18// C++ includes
19
20#include <cstring>
21
22// Qt includes
23
24#include <QScopedArrayPointer>
25
26namespace Digikam
27{
28
29HotPixelsWeights::HotPixelsWeights(const HotPixelsWeights& w)
30{
31 (*this) = w;
32}
33
34HotPixelsWeights::~HotPixelsWeights()
35{
36 if (!m_weightMatrices)
37 {
38 return;
39 }
40
41 for (int i = 0 ; i < m_positions.count() ; ++i)
42 {
43 for (unsigned int j = 0 ; j < m_height ; ++j)
44 {
45 delete [] m_weightMatrices[i][j];
46 }
47 }
48
49 delete [] m_weightMatrices;
50}
51
52unsigned int HotPixelsWeights::height() const
53{
54 return m_height;
55}
56
57unsigned int HotPixelsWeights::polynomeOrder() const
58{
59 return m_polynomeOrder;
60}
61
62bool HotPixelsWeights::twoDim() const
63{
64 return m_twoDim;
65}
66
67unsigned int HotPixelsWeights::width() const
68{
69 return m_width;
70}
71
72void HotPixelsWeights::setHeight(int h)
73{
74 m_height = h;
75}
76
77void HotPixelsWeights::setPolynomeOrder(int order)
78{
79 m_polynomeOrder = order;
80}
81
82void HotPixelsWeights::setTwoDim(bool td)
83{
84 m_twoDim = td;
85}
86
87void HotPixelsWeights::setWidth(int w)
88{
89 m_width = w;
90}
91
92double** HotPixelsWeights::operator[](int n) const
93{
94 return m_weightMatrices[n];
95}
96
97const QList<QPoint> HotPixelsWeights::positions() const
98{
99 return m_positions;
100}
101
102int HotPixelsWeights::coefficientNumber() const
103{
104 return m_coefficientNumber;
105}
106
107double** * HotPixelsWeights::weightMatrices() const
108{
109 return m_weightMatrices;
110}
111
112HotPixelsWeights& HotPixelsWeights::operator=(const HotPixelsWeights& w)
113{
114 if (this == &w)
115 {
116 // we have to be sure that we are not self-assignment
117
118 return *this;
119 }
120
121 m_height = w.height();
122 m_width = w.width();
123 m_positions = w.positions();
124 m_coefficientNumber = w.coefficientNumber();
125 m_twoDim = w.twoDim();
126 m_polynomeOrder = w.polynomeOrder();
127
128 // Allocate memory and copy weights
129 // if the original one was calculated
130
131 if (!w.weightMatrices())
132 {
133 return *this;
134 }
135 else
136 {
137 double** * const origMatrices = w.weightMatrices();
138
139 // Allocate m_positions.count() matrices
140
141 m_weightMatrices = new double** [m_positions.count()];
142
143 for (int i = 0 ; i < m_positions.count() ; ++i)
144 {
145 // Allocate m_height rows on each position
146
147 m_weightMatrices[i] = new double* [m_height];
148
149 for (uint j = 0 ; j < m_height ; ++j)
150 {
151 // Allocate m_width columns on each row
152
153 m_weightMatrices[i][j] = new double[m_width];
154
155 for (uint k = 0 ; k < m_width ; ++k)
156 {
157 m_weightMatrices[i][j][k] = origMatrices[i][j][k];
158 }
159 }
160 }
161 }
162
163 return *this;
164}
165
166void HotPixelsWeights::calculateHotPixelsWeights()
167{
168 m_coefficientNumber = (m_twoDim ? ((size_t)m_polynomeOrder + 1) * ((size_t)m_polynomeOrder + 1)
1
Assuming field 'm_twoDim' is true
→
2
←
'?' condition is true
→
169 : (size_t)m_polynomeOrder + 1);
170 size_t ix, iy, i, j;
171 int x, y;
172
173 // Determine coordinates of pixels to be sampled
174
175 if (m_twoDim
2.1
Field 'm_twoDim' is true
2.1
Field 'm_twoDim' is true
)
3
←
Taking true branch
→
176 {
177
178 int iPolynomeOrder = (int) m_polynomeOrder; // lets avoid signed/unsigned comparison warnings
179 int iHeight = (int) height();
180 int iWidth = (int) width();
181
182 for (y = (-1)*iPolynomeOrder ; (y < iHeight + iPolynomeOrder) ; ++y)
4
←
Assuming the condition is true
→
5
←
Loop condition is true. Entering loop body
→
15
←
Assuming the condition is false
→
16
←
Loop condition is false. Execution continues on line 221
→
183 {
184 for (x = (-1)*iPolynomeOrder ; (x < iWidth + iPolynomeOrder) ; ++x)
6
←
Assuming the condition is true
→
10
←
Assuming the condition is true
→
13
←
Assuming the condition is false
→
14
←
Loop condition is false. Execution continues on line 182
→
185 {
186 if (
187 ((x < 0) && (y < 0) && (-x - y < iPolynomeOrder + 2)) ||
7
←
Assuming 'x' is >= 0
→
11
←
Assuming 'x' is >= 0
→
188 ((x
7.1
'x' is >= 0
11.1
'x' is >= 0
7.1
'x' is >= 0
11.1
'x' is >= 0
 < 0) && (y >= iHeight) && (-x + y - iHeight < iPolynomeOrder + 1)) ||
189 ((x >= iWidth) && (y < 0) && ( x - y - iWidth < iPolynomeOrder + 1)) ||
8
←
Assuming 'x' is < 'iWidth'
→
12
←
Assuming 'x' is < 'iWidth'
→
190 ((x
8.1
'x' is < 'iWidth'
12.1
'x' is < 'iWidth'
8.1
'x' is < 'iWidth'
12.1
'x' is < 'iWidth'
 >= iWidth) && (y >= iHeight) && ( x + y - iWidth - iHeight < iPolynomeOrder)) ||
191 ((x
8.2
'x' is >= 0
12.2
'x' is >= 0
8.2
'x' is >= 0
12.2
'x' is >= 0
 < 0) && (y >= 0) && (y < iHeight)) || ((x
8.3
'x' is < 'iWidth'
12.3
'x' is < 'iWidth'
8.3
'x' is < 'iWidth'
12.3
'x' is < 'iWidth'
 >= iWidth) && (y >= 0) && (y < iHeight)) ||
192 ((y
8.4
'y' is >= 0
12.4
'y' is >= 0
8.4
'y' is >= 0
12.4
'y' is >= 0
 < 0) && (x >= 0) && (x < iWidth)) || ((y
12.5
'y' is < 'iHeight'
12.5
'y' is < 'iHeight'
 >= iHeight) && (x >= 0) && (x < iWidth))
9
←
Assuming 'y' is < 'iHeight'
→
193 )
194 {
195 QPoint position(x,y);
196 m_positions.append(position);
197 }
198 }
199 }
200 }
201 else
202 {
203 // In the one-dimensional case, only the y coordinate and y size is used.
204
205 // cppcheck-suppress signConversion
206 for (y = (-1)*m_polynomeOrder ; y < 0 ; ++y)
207 {
208 QPoint position(0, y);
209 m_positions.append(position);
210 }
211
212 for (y = (int)height() ; (y < (int)height() + (int)m_polynomeOrder) ; ++y)
213 {
214 QPoint position(0, y);
215 m_positions.append(position);
216 }
217 }
218
219 // Allocate memory.
220
221 QScopedArrayPointer<double> matrix (new double[m_coefficientNumber * m_coefficientNumber]{});
222 QScopedArrayPointer<double> vector0(new double[m_positions.count() * m_coefficientNumber]{});
17
←
Storing uninitialized value
→
18
←
Calling constructor for 'QScopedArrayPointer<double, QScopedPointerArrayDeleter<double>>'
→
21
←
Returning from constructor for 'QScopedArrayPointer<double, QScopedPointerArrayDeleter<double>>'
→
223 QScopedArrayPointer<double> vector1(new double[m_positions.count() * m_coefficientNumber]{});
224
225 // Calculate coefficient matrix and vectors
226
227 for (iy = 0 ; iy < m_coefficientNumber ; ++iy)
22
←
Assuming 'iy' is < field 'm_coefficientNumber'
→
23
←
Loop condition is true. Entering loop body
→
29
←
Loop condition is false. Execution continues on line 249
→
228 {
229 for (ix = 0 ; ix
23.1
'ix' is < field 'm_coefficientNumber'
23.1
'ix' is < field 'm_coefficientNumber'
 < m_coefficientNumber ; ++ix)
24
←
Loop condition is true. Entering loop body
→
25
←
Assuming 'ix' is >= field 'm_coefficientNumber'
→
26
←
Loop condition is false. Execution continues on line 234
→
230 {
231 matrix[(int)(iy* m_coefficientNumber + ix)] = 0.0;
232 }
233
234 for (j = 0 ; j < (size_t)m_positions.count() ; ++j)
27
←
Assuming the condition is false
→
28
←
Loop condition is false. Execution continues on line 227
→
235 {
236 vector0[(int)(iy * m_positions.count() + j)] = polyTerm(iy, m_positions.at((int)j).x(),
237 m_positions.at((int)j).y(), m_polynomeOrder);
238
239 for (ix = 0 ; ix < m_coefficientNumber ; ++ix)
240 {
241 matrix[(int)(iy* m_coefficientNumber + ix)] += (vector0[(int)(iy * m_positions.count() + j)] *
242 polyTerm(ix, m_positions.at((int)j).x(), m_positions.at((int)j).y(), m_polynomeOrder));
243 }
244 }
245 }
246
247 // Invert matrix.
248
249 matrixInv (matrix.data(), m_coefficientNumber);
250
251 // Multiply inverse matrix with vector.
252
253 for (iy = 0 ; iy < m_coefficientNumber ; ++iy)
30
←
Assuming 'iy' is < field 'm_coefficientNumber'
→
31
←
Loop condition is true. Entering loop body
→
254 {
255 for (j = 0 ; j < (size_t)m_positions.count() ; ++j)
32
←
Assuming the condition is true
→
33
←
Loop condition is true. Entering loop body
→
256 {
257 vector1[(int)(iy * m_positions.count() + j)] = 0.0;
258
259 for (ix = 0 ; ix
33.1
'ix' is < field 'm_coefficientNumber'
33.1
'ix' is < field 'm_coefficientNumber'
 < m_coefficientNumber ; ++ix)
34
←
Loop condition is true. Entering loop body
→
260 {
261 vector1[(int)(iy * m_positions.count() + j)] += matrix[(int)(iy * m_coefficientNumber + ix)] *
36
←
The right operand of '*' is a garbage value
262 vector0[(int)(ix * m_positions.count() + j)];
35
←
Passing the value 0 via 1st parameter 'i'
→
263 }
264 }
265 }
266
267 // Store weights
268
269 // Allocate m_positions.count() matrices.
270
271 m_weightMatrices = new double** [m_positions.count()];
272
273 for (i = 0 ; i < (size_t)m_positions.count() ; ++i)
274 {
275 // Allocate m_height rows on each position
276
277 m_weightMatrices[i] = new double* [m_height];
278
279 for (j = 0 ; j < m_height ; ++j)
280 {
281 // Allocate m_width columns on each row
282
283 m_weightMatrices[i][j] = new double[m_width];
284 }
285 }
286
287 for (y = 0 ; y < (int)m_height ; ++y)
288 {
289 for (x = 0 ; x < (int)m_width ; ++x)
290 {
291 for (j = 0 ; j < (size_t)m_positions.count() ; ++j)
292 {
293 m_weightMatrices[j][y][x] = 0.0;
294
295 for (iy = 0 ; iy < m_coefficientNumber ; ++iy)
296 {
297 m_weightMatrices[j][y][x] += vector1[(int)(iy * m_positions.count() + j)] *
298 polyTerm(iy, x, y, m_polynomeOrder);
299 }
300
301 m_weightMatrices[j][y][x] *= (double)m_positions.count();
302 }
303 }
304 }
305}
306
307bool HotPixelsWeights::operator==(const HotPixelsWeights& ws) const
308{
309 return (
310 (m_height == ws.height()) &&
311 (m_width == ws.width()) &&
312 (m_polynomeOrder == ws.polynomeOrder()) &&
313 (m_twoDim == ws.twoDim())
314 );
315}
316
317/**
318 * Invert a quadratic matrix.
319 */
320void HotPixelsWeights::matrixInv (double* const a, const size_t size)
321{
322 QScopedArrayPointer<double> b(new double[size * size]{});
323 size_t ix, iy, j;
324
325 // Copy matrix to new location.
326
327 memcpy(b.data(), a, sizeof (double) * size * size);
328
329 // Set destination matrix to unit matrix.
330
331 for (iy = 0 ; iy < size ; ++iy)
332 {
333 for (ix = 0 ; ix < size ; ++ix)
334 {
335 a[(int)(iy* size + ix)] = (ix == iy) ? 1.0 : 0.0;
336 }
337 }
338
339 // Convert matrix to upper triangle form.
340
341 for (iy = 0 ; iy < size - 1 ; ++iy)
342 {
343 for (j = iy + 1 ; j < size ; ++j)
344 {
345 const double factor = b[(int)(j * size + iy)] / b[(int)(iy * size + iy)];
346
347 for (ix = 0 ; ix < size ; ++ix)
348 {
349 b[(int)(j* size + ix)] -= factor * b[(int)(iy * size + ix)];
350 a[(int)(j* size + ix)] -= factor * a[(int)(iy * size + ix)];
351 }
352 }
353 }
354
355 // Convert matrix to diagonal form.
356
357 for (iy = size - 1 ; iy > 0 ; --iy)
358 {
359 for (j = 0 ; j < iy ; ++j)
360 {
361 const double factor = b[(int)(j * size + iy)] / b[(int)(iy * size + iy)];
362
363 for (ix = 0 ; ix < size ; ++ix)
364 {
365 a[(int)(j* size + ix)] -= factor * a[(int)(iy * size + ix)];
366 }
367 }
368 }
369
370 // Convert matrix to unit matrix.
371
372 for (iy = 0 ; iy < size ; ++iy)
373 {
374 for (ix = 0 ; ix < size ; ++ix)
375 {
376 a[(int)(iy* size + ix)] /= b[(int)(iy * size + iy)];
377 }
378 }
379}
380
381/**
382 * Calculates one term of the polynomial
383 */
384double HotPixelsWeights::polyTerm (const size_t i_coeff, const int x, const int y, const int poly_order) const
385{
386 const size_t x_power = i_coeff / ((size_t)poly_order + 1);
387 const size_t y_power = i_coeff % ((size_t)poly_order + 1);
388 int result = 1;
389 size_t i;
390
391 for (i = 0 ; i < x_power ; ++i)
392 {
393 result *= x;
394 }
395
396 for (i = 0 ; i < y_power ; ++i)
397 {
398 result *= y;
399 }
400
401 return (double)result;
402}
403
404} // namespace Digikam
←

/opt/qt6/include/QtCore/qscopedpointer.h

1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QSCOPEDPOINTER_H
5#define QSCOPEDPOINTER_H
6
7#include <QtCore/qglobal.h>
8
9#include <stdlib.h>
10
11QT_BEGIN_NAMESPACE
12
13template <typename T>
14struct QScopedPointerDeleter
15{
16 static inline void cleanup(T *pointer) noexcept
17 {
18 // Enforce a complete type.
19 // If you get a compile error here, read the section on forward declared
20 // classes in the QScopedPointer documentation.
21 typedef char IsIncompleteType[ sizeof(T) ? 1 : -1 ];
22 (void) sizeof(IsIncompleteType);
23
24 delete pointer;
25 }
26 void operator()(T *pointer) const noexcept
27 {
28 cleanup(pointer);
29 }
30};
31
32template <typename T>
33struct QScopedPointerArrayDeleter
34{
35 static inline void cleanup(T *pointer) noexcept
36 {
37 // Enforce a complete type.
38 // If you get a compile error here, read the section on forward declared
39 // classes in the QScopedPointer documentation.
40 typedef char IsIncompleteType[ sizeof(T) ? 1 : -1 ];
41 (void) sizeof(IsIncompleteType);
42
43 delete[] pointer;
44 }
45 void operator()(T *pointer) const noexcept
46 {
47 cleanup(pointer);
48 }
49};
50
51struct QScopedPointerPodDeleter
52{
53 static inline void cleanup(void *pointer) noexcept { free(pointer); }
54 void operator()(void *pointer) const noexcept { cleanup(pointer); }
55};
56
57#ifndef QT_NO_QOBJECT
58template <typename T>
59struct QScopedPointerObjectDeleteLater
60{
61 static inline void cleanup(T *pointer) { if (pointer) pointer->deleteLater(); }
62 void operator()(T *pointer) const { cleanup(pointer); }
63};
64
65class QObject;
66typedef QScopedPointerObjectDeleteLater<QObject> QScopedPointerDeleteLater;
67#endif
68
69template <typename T, typename Cleanup = QScopedPointerDeleter<T> >
70class QScopedPointer
71{
72public:
73 Q_NODISCARD_CTOR[[nodiscard]]
74 explicit QScopedPointer(T *p = nullptr) noexcept : d(p)
75 {
76 }
77
78 inline ~QScopedPointer()
79 {
80 T *oldD = this->d;
81 Cleanup::cleanup(oldD);
82 }
83
84 inline T &operator*() const
85 {
86 Q_ASSERT(d)((d) ? static_cast<void>(0) : qt_assert("d", "/opt/qt6/include/QtCore/qscopedpointer.h"
, 86));
87 return *d;
88 }
89
90 T *operator->() const noexcept
91 {
92 return d;
93 }
94
95 bool operator!() const noexcept
96 {
97 return !d;
98 }
99
100 explicit operator bool() const
101 {
102 return !isNull();
103 }
104
105 T *data() const noexcept
106 {
107 return d;
108 }
109
110 T *get() const noexcept
111 {
112 return d;
113 }
114
115 bool isNull() const noexcept
116 {
117 return !d;
118 }
119
120 void reset(T *other = nullptr) noexcept(noexcept(Cleanup::cleanup(std::declval<T *>())))
121 {
122 if (d == other)
123 return;
124 T *oldD = std::exchange(d, other);
125 Cleanup::cleanup(oldD);
126 }
127
128#if QT_DEPRECATED_SINCE(6, 1)(((6<<16)|(1<<8)|(0)) > 0x050E00)
129 QT_DEPRECATED_VERSION_X_6_1("Use std::unique_ptr instead, and call release().")
130 T *take() noexcept
131 {
132 T *oldD = std::exchange(d, nullptr);
133 return oldD;
134 }
135#endif
136
137#if QT_DEPRECATED_SINCE(6, 2)(((6<<16)|(2<<8)|(0)) > 0x050E00)
138 QT_DEPRECATED_VERSION_X_6_2("Use std::unique_ptr instead of QScopedPointer.")
139 void swap(QScopedPointer<T, Cleanup> &other) noexcept
140 {
141 qt_ptr_swap(d, other.d);
142 }
143#endif
144
145 typedef T *pointer;
146
147 friend bool operator==(const QScopedPointer<T, Cleanup> &lhs, const QScopedPointer<T, Cleanup> &rhs) noexcept
148 {
149 return lhs.data() == rhs.data();
150 }
151
152 friend bool operator!=(const QScopedPointer<T, Cleanup> &lhs, const QScopedPointer<T, Cleanup> &rhs) noexcept
153 {
154 return lhs.data() != rhs.data();
155 }
156
157 friend bool operator==(const QScopedPointer<T, Cleanup> &lhs, std::nullptr_t) noexcept
158 {
159 return lhs.isNull();
160 }
161
162 friend bool operator==(std::nullptr_t, const QScopedPointer<T, Cleanup> &rhs) noexcept
163 {
164 return rhs.isNull();
165 }
166
167 friend bool operator!=(const QScopedPointer<T, Cleanup> &lhs, std::nullptr_t) noexcept
168 {
169 return !lhs.isNull();
170 }
171
172 friend bool operator!=(std::nullptr_t, const QScopedPointer<T, Cleanup> &rhs) noexcept
173 {
174 return !rhs.isNull();
175 }
176
177#if QT_DEPRECATED_SINCE(6, 2)(((6<<16)|(2<<8)|(0)) > 0x050E00)
178 QT_DEPRECATED_VERSION_X_6_2("Use std::unique_ptr instead of QScopedPointer.")
179 friend void swap(QScopedPointer<T, Cleanup> &p1, QScopedPointer<T, Cleanup> &p2) noexcept
180 { p1.swap(p2); }
181#endif
182
183protected:
184 T *d;
185
186private:
187 Q_DISABLE_COPY_MOVE(QScopedPointer)QScopedPointer(const QScopedPointer &) = delete; QScopedPointer
&operator=(const QScopedPointer &) = delete; QScopedPointer
(QScopedPointer &&) = delete; QScopedPointer &operator
=(QScopedPointer &&) = delete;
188};
189
190template <typename T, typename Cleanup = QScopedPointerArrayDeleter<T> >
191class QScopedArrayPointer : public QScopedPointer<T, Cleanup>
192{
193 template <typename Ptr>
194 using if_same_type = typename std::enable_if<std::is_same<typename std::remove_cv<T>::type, Ptr>::value, bool>::type;
195public:
196 Q_NODISCARD_CTOR[[nodiscard]]
197 inline QScopedArrayPointer() : QScopedPointer<T, Cleanup>(nullptr) {}
198 inline ~QScopedArrayPointer() = default;
199
200 template <typename D, if_same_type<D> = true>
201 Q_NODISCARD_CTOR[[nodiscard]]
202 explicit QScopedArrayPointer(D *p)
203 : QScopedPointer<T, Cleanup>(p)
19
←
Calling default constructor for 'QScopedPointer<double, QScopedPointerArrayDeleter<double>>'
→
20
←
Returning from default constructor for 'QScopedPointer<double, QScopedPointerArrayDeleter<double>>'
→
204 {
205 }
206
207 T &operator[](qsizetype i)
208 {
209 return this->d[i];
210 }
211
212 const T &operator[](qsizetype i) const
213 {
214 return this->d[i];
215 }
216
217#if QT_DEPRECATED_SINCE(6, 2)(((6<<16)|(2<<8)|(0)) > 0x050E00)
218 QT_DEPRECATED_VERSION_X_6_2("Use std::unique_ptr instead of QScopedArrayPointer.")
219 void swap(QScopedArrayPointer &other) noexcept // prevent QScopedPointer <->QScopedArrayPointer swaps
220 { QScopedPointer<T, Cleanup>::swap(other); }
221#endif
222
223private:
224 explicit inline QScopedArrayPointer(void *)
225 {
226 // Enforce the same type.
227
228 // If you get a compile error here, make sure you declare
229 // QScopedArrayPointer with the same template type as you pass to the
230 // constructor. See also the QScopedPointer documentation.
231
232 // Storing a scalar array as a pointer to a different type is not
233 // allowed and results in undefined behavior.
234 }
235
236 Q_DISABLE_COPY_MOVE(QScopedArrayPointer)QScopedArrayPointer(const QScopedArrayPointer &) = delete
; QScopedArrayPointer &operator=(const QScopedArrayPointer
&) = delete; QScopedArrayPointer(QScopedArrayPointer &&
) = delete; QScopedArrayPointer &operator=(QScopedArrayPointer
&&) = delete;
237};
238
239#if QT_DEPRECATED_SINCE(6, 2)(((6<<16)|(2<<8)|(0)) > 0x050E00)
240template <typename T, typename Cleanup>
241QT_DEPRECATED_VERSION_X_6_2("Use std::unique_ptr instead of QScopedArrayPointer.")
242inline void swap(QScopedArrayPointer<T, Cleanup> &lhs, QScopedArrayPointer<T, Cleanup> &rhs) noexcept
243{ lhs.swap(rhs); }
244#endif
245
246QT_END_NAMESPACE
247
248#endif // QSCOPEDPOINTER_H