plugin/quuid.cpp

Switch to Source codePreprocessed file
LineSource CodeCoverage
1 -
2 -
3 -
4 -
5 -
6 -
7template <class Char, class Integral> -
8void _q_toHex(Char *&dst, Integral value) -
9{ -
10 static const char digits[] = "0123456789abcdef"; -
11 -
12 value = qToBigEndian(value); -
13 -
14 const char* p = reinterpret_cast<const char*>(&value); -
15 -
16 for (uint i = 0; i < sizeof(Integral); ++i, dst += 2) {
evaluated: i < sizeof(Integral)
TRUEFALSE
yes
Evaluation Count:20128
yes
Evaluation Count:13838
13838-20128
17 uint j = (p[i] >> 4) & 0xf; -
18 dst[0] = Char(digits[j]); -
19 j = p[i] & 0xf; -
20 dst[1] = Char(digits[j]); -
21 }
executed: }
Execution Count:20128
20128
22}
executed: }
Execution Count:13838
13838
23 -
24template <class Char, class Integral> -
25bool _q_fromHex(const Char *&src, Integral &value) -
26{ -
27 value = 0; -
28 -
29 for (uint i = 0; i < sizeof(Integral) * 2; ++i) {
evaluated: i < sizeof(Integral) * 2
TRUEFALSE
yes
Evaluation Count:714
yes
Evaluation Count:236
236-714
30 int ch = *src++; -
31 int tmp; -
32 if (ch >= '0' && ch <= '9')
evaluated: ch >= '0'
TRUEFALSE
yes
Evaluation Count:711
yes
Evaluation Count:3
evaluated: ch <= '9'
TRUEFALSE
yes
Evaluation Count:435
yes
Evaluation Count:276
3-711
33 tmp = ch - '0';
executed: tmp = ch - '0';
Execution Count:435
435
34 else if (ch >= 'a' && ch <= 'f')
evaluated: ch >= 'a'
TRUEFALSE
yes
Evaluation Count:276
yes
Evaluation Count:3
partially evaluated: ch <= 'f'
TRUEFALSE
yes
Evaluation Count:276
no
Evaluation Count:0
0-276
35 tmp = ch - 'a' + 10;
executed: tmp = ch - 'a' + 10;
Execution Count:276
276
36 else if (ch >= 'A' && ch <= 'F')
partially evaluated: ch >= 'A'
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:3
never evaluated: ch <= 'F'
0-3
37 tmp = ch - 'A' + 10;
never executed: tmp = ch - 'A' + 10;
0
38 else -
39 return false;
executed: return false;
Execution Count:3
3
40 -
41 value = value * 16 + tmp; -
42 }
executed: }
Execution Count:711
711
43 -
44 return true;
executed: return true;
Execution Count:236
236
45} -
46 -
47template <class Char> -
48void _q_uuidToHex(Char *&dst, const uint &d1, const ushort &d2, const ushort &d3, const uchar (&d4)[8]) -
49{ -
50 *dst++ = Char('{'); -
51 _q_toHex(dst, d1); -
52 *dst++ = Char('-'); -
53 _q_toHex(dst, d2); -
54 *dst++ = Char('-'); -
55 _q_toHex(dst, d3); -
56 *dst++ = Char('-'); -
57 for (int i = 0; i < 2; i++)
evaluated: i < 2
TRUEFALSE
yes
Evaluation Count:2516
yes
Evaluation Count:1258
1258-2516
58 _q_toHex(dst, d4[i]);
executed: _q_toHex(dst, d4[i]);
Execution Count:2516
2516
59 *dst++ = Char('-'); -
60 for (int i = 2; i < 8; i++)
evaluated: i < 8
TRUEFALSE
yes
Evaluation Count:7548
yes
Evaluation Count:1258
1258-7548
61 _q_toHex(dst, d4[i]);
executed: _q_toHex(dst, d4[i]);
Execution Count:7548
7548
62 *dst = Char('}'); -
63}
executed: }
Execution Count:1258
1258
64 -
65template <class Char> -
66bool _q_uuidFromHex(const Char *&src, uint &d1, ushort &d2, ushort &d3, uchar (&d4)[8]) -
67{ -
68 if (*src == Char('{'))
evaluated: *src == Char('{')
TRUEFALSE
yes
Evaluation Count:16
yes
Evaluation Count:9
9-16
69 src++;
executed: src++;
Execution Count:16
16
70 if (!_q_fromHex(src, d1)
evaluated: !_q_fromHex(src, d1)
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:24
1-24
71 || *src++ != Char('-')
partially evaluated: *src++ != Char('-')
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:24
0-24
72 || !_q_fromHex(src, d2)
partially evaluated: !_q_fromHex(src, d2)
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:24
0-24
73 || *src++ != Char('-')
evaluated: *src++ != Char('-')
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:22
2-22
74 || !_q_fromHex(src, d3)
evaluated: !_q_fromHex(src, d3)
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:21
1-21
75 || *src++ != Char('-')
partially evaluated: *src++ != Char('-')
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
76 || !_q_fromHex(src, d4[0])
partially evaluated: !_q_fromHex(src, d4[0])
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
77 || !_q_fromHex(src, d4[1])
partially evaluated: !_q_fromHex(src, d4[1])
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
78 || *src++ != Char('-')
partially evaluated: *src++ != Char('-')
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
79 || !_q_fromHex(src, d4[2])
partially evaluated: !_q_fromHex(src, d4[2])
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
80 || !_q_fromHex(src, d4[3])
partially evaluated: !_q_fromHex(src, d4[3])
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
81 || !_q_fromHex(src, d4[4])
partially evaluated: !_q_fromHex(src, d4[4])
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
82 || !_q_fromHex(src, d4[5])
partially evaluated: !_q_fromHex(src, d4[5])
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
83 || !_q_fromHex(src, d4[6])
partially evaluated: !_q_fromHex(src, d4[6])
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:21
0-21
84 || !_q_fromHex(src, d4[7])) {
evaluated: !_q_fromHex(src, d4[7])
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:20
1-20
85 return false;
executed: return false;
Execution Count:5
5
86 } -
87 -
88 return true;
executed: return true;
Execution Count:20
20
89} -
90 -
91 -
92static QUuid createFromName(const QUuid &ns, const QByteArray &baseData, QCryptographicHash::Algorithm algorithm, int version) -
93{ -
94 QByteArray hashResult; -
95 -
96 -
97 { -
98 QCryptographicHash hash(algorithm); -
99 hash.addData(ns.toRfc4122()); -
100 hash.addData(baseData); -
101 hashResult = hash.result(); -
102 } -
103 hashResult.resize(16); -
104 -
105 QUuid result = QUuid::fromRfc4122(hashResult); -
106 -
107 result.data3 &= 0x0FFF; -
108 result.data3 |= (version << 12); -
109 result.data4[0] &= 0x3F; -
110 result.data4[0] |= 0x80; -
111 -
112 return result;
executed: return result;
Execution Count:4
4
113} -
114QUuid::QUuid(const QString &text) -
115{ -
116 if (text.length() < 36) {
partially evaluated: text.length() < 36
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:9
0-9
117 *this = QUuid(); -
118 return;
never executed: return;
0
119 } -
120 -
121 const ushort *data = reinterpret_cast<const ushort *>(text.unicode()); -
122 -
123 if (*data == '{' && text.length() < 37) {
evaluated: *data == '{'
TRUEFALSE
yes
Evaluation Count:7
yes
Evaluation Count:2
evaluated: text.length() < 37
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:6
1-7
124 *this = QUuid(); -
125 return;
executed: return;
Execution Count:1
1
126 } -
127 -
128 if (!_q_uuidFromHex(data, data1, data2, data3, data4)) {
partially evaluated: !_q_uuidFromHex(data, data1, data2, data3, data4)
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:8
0-8
129 *this = QUuid(); -
130 return;
never executed: return;
0
131 } -
132}
executed: }
Execution Count:8
8
133 -
134 -
135 -
136 -
137QUuid::QUuid(const char *text) -
138{ -
139 if (!text) {
evaluated: !text
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:12
1-12
140 *this = QUuid(); -
141 return;
executed: return;
Execution Count:1
1
142 } -
143 -
144 if (!_q_uuidFromHex(text, data1, data2, data3, data4)) {
evaluated: !_q_uuidFromHex(text, data1, data2, data3, data4)
TRUEFALSE
yes
Evaluation Count:5
yes
Evaluation Count:7
5-7
145 *this = QUuid(); -
146 return;
executed: return;
Execution Count:5
5
147 } -
148}
executed: }
Execution Count:7
7
149QUuid::QUuid(const QByteArray &text) -
150{ -
151 if (text.length() < 36) {
partially evaluated: text.length() < 36
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:6
0-6
152 *this = QUuid(); -
153 return;
never executed: return;
0
154 } -
155 -
156 const char *data = text.constData(); -
157 -
158 if (*data == '{' && text.length() < 37) {
evaluated: *data == '{'
TRUEFALSE
yes
Evaluation Count:4
yes
Evaluation Count:2
evaluated: text.length() < 37
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:3
1-4
159 *this = QUuid(); -
160 return;
executed: return;
Execution Count:1
1
161 } -
162 -
163 if (!_q_uuidFromHex(data, data1, data2, data3, data4)) {
partially evaluated: !_q_uuidFromHex(data, data1, data2, data3, data4)
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:5
0-5
164 *this = QUuid(); -
165 return;
never executed: return;
0
166 } -
167}
executed: }
Execution Count:5
5
168QUuid QUuid::createUuidV3(const QUuid &ns, const QByteArray &baseData) -
169{ -
170 return createFromName(ns, baseData, QCryptographicHash::Md5, 3);
executed: return createFromName(ns, baseData, QCryptographicHash::Md5, 3);
Execution Count:2
2
171} -
172 -
173QUuid QUuid::createUuidV5(const QUuid &ns, const QByteArray &baseData) -
174{ -
175 return createFromName(ns, baseData, QCryptographicHash::Sha1, 5);
executed: return createFromName(ns, baseData, QCryptographicHash::Sha1, 5);
Execution Count:2
2
176} -
177QUuid QUuid::fromRfc4122(const QByteArray &bytes) -
178{ -
179 if (bytes.isEmpty() || bytes.length() != 16)
partially evaluated: bytes.isEmpty()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:10
partially evaluated: bytes.length() != 16
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:10
0-10
180 return QUuid();
never executed: return QUuid();
0
181 -
182 uint d1; -
183 ushort d2, d3; -
184 uchar d4[8]; -
185 -
186 const uchar *data = reinterpret_cast<const uchar *>(bytes.constData()); -
187 -
188 d1 = qFromBigEndian<quint32>(data); -
189 data += sizeof(quint32); -
190 d2 = qFromBigEndian<quint16>(data); -
191 data += sizeof(quint16); -
192 d3 = qFromBigEndian<quint16>(data); -
193 data += sizeof(quint16); -
194 -
195 for (int i = 0; i < 8; ++i) {
evaluated: i < 8
TRUEFALSE
yes
Evaluation Count:80
yes
Evaluation Count:10
10-80
196 d4[i] = *(data); -
197 data++; -
198 }
executed: }
Execution Count:80
80
199 -
200 return QUuid(d1, d2, d3, d4[0], d4[1], d4[2], d4[3], d4[4], d4[5], d4[6], d4[7]);
executed: return QUuid(d1, d2, d3, d4[0], d4[1], d4[2], d4[3], d4[4], d4[5], d4[6], d4[7]);
Execution Count:10
10
201} -
202QString QUuid::toString() const -
203{ -
204 QString result(38, Qt::Uninitialized); -
205 ushort *data = (ushort *)result.unicode(); -
206 -
207 _q_uuidToHex(data, data1, data2, data3, data4); -
208 -
209 return result;
executed: return result;
Execution Count:9
9
210} -
211QByteArray QUuid::toByteArray() const -
212{ -
213 QByteArray result(38, Qt::Uninitialized); -
214 char *data = result.data(); -
215 -
216 _q_uuidToHex(data, data1, data2, data3, data4); -
217 -
218 return result;
executed: return result;
Execution Count:1249
1249
219} -
220QByteArray QUuid::toRfc4122() const -
221{ -
222 -
223 QByteArray bytes(16, Qt::Uninitialized); -
224 uchar *data = reinterpret_cast<uchar*>(bytes.data()); -
225 -
226 qToBigEndian(data1, data); -
227 data += sizeof(quint32); -
228 qToBigEndian(data2, data); -
229 data += sizeof(quint16); -
230 qToBigEndian(data3, data); -
231 data += sizeof(quint16); -
232 -
233 for (int i = 0; i < 8; ++i) {
evaluated: i < 8
TRUEFALSE
yes
Evaluation Count:72
yes
Evaluation Count:9
9-72
234 *(data) = data4[i]; -
235 data++; -
236 }
executed: }
Execution Count:72
72
237 -
238 return bytes;
executed: return bytes;
Execution Count:9
9
239} -
240 -
241 -
242 -
243 -
244 -
245 -
246QDataStream &operator<<(QDataStream &s, const QUuid &id) -
247{ -
248 QByteArray bytes; -
249 if (s.byteOrder() == QDataStream::BigEndian) {
evaluated: s.byteOrder() == QDataStream::BigEndian
TRUEFALSE
yes
Evaluation Count:3
yes
Evaluation Count:1
1-3
250 bytes = id.toRfc4122(); -
251 } else {
executed: }
Execution Count:3
3
252 -
253 bytes = QByteArray(16, Qt::Uninitialized); -
254 uchar *data = reinterpret_cast<uchar*>(bytes.data()); -
255 -
256 qToLittleEndian(id.data1, data); -
257 data += sizeof(quint32); -
258 qToLittleEndian(id.data2, data); -
259 data += sizeof(quint16); -
260 qToLittleEndian(id.data3, data); -
261 data += sizeof(quint16); -
262 -
263 for (int i = 0; i < 8; ++i) {
evaluated: i < 8
TRUEFALSE
yes
Evaluation Count:8
yes
Evaluation Count:1
1-8
264 *(data) = id.data4[i]; -
265 data++; -
266 }
executed: }
Execution Count:8
8
267 }
executed: }
Execution Count:1
1
268 -
269 if (s.writeRawData(bytes.data(), 16) != 16) {
partially evaluated: s.writeRawData(bytes.data(), 16) != 16
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:4
0-4
270 s.setStatus(QDataStream::WriteFailed); -
271 }
never executed: }
0
272 return s;
executed: return s;
Execution Count:4
4
273} -
274 -
275 -
276 -
277 -
278 -
279QDataStream &operator>>(QDataStream &s, QUuid &id) -
280{ -
281 QByteArray bytes(16, Qt::Uninitialized); -
282 if (s.readRawData(bytes.data(), 16) != 16) {
evaluated: s.readRawData(bytes.data(), 16) != 16
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:5
2-5
283 s.setStatus(QDataStream::ReadPastEnd); -
284 return s;
executed: return s;
Execution Count:2
2
285 } -
286 -
287 if (s.byteOrder() == QDataStream::BigEndian) {
evaluated: s.byteOrder() == QDataStream::BigEndian
TRUEFALSE
yes
Evaluation Count:4
yes
Evaluation Count:1
1-4
288 id = QUuid::fromRfc4122(bytes); -
289 } else {
executed: }
Execution Count:4
4
290 const uchar *data = reinterpret_cast<const uchar *>(bytes.constData()); -
291 -
292 id.data1 = qFromLittleEndian<quint32>(data); -
293 data += sizeof(quint32); -
294 id.data2 = qFromLittleEndian<quint16>(data); -
295 data += sizeof(quint16); -
296 id.data3 = qFromLittleEndian<quint16>(data); -
297 data += sizeof(quint16); -
298 -
299 for (int i = 0; i < 8; ++i) {
evaluated: i < 8
TRUEFALSE
yes
Evaluation Count:8
yes
Evaluation Count:1
1-8
300 id.data4[i] = *(data); -
301 data++; -
302 }
executed: }
Execution Count:8
8
303 }
executed: }
Execution Count:1
1
304 -
305 return s;
executed: return s;
Execution Count:5
5
306} -
307 -
308 -
309 -
310 -
311 -
312 -
313bool QUuid::isNull() const -
314{ -
315 return data4[0] == 0 && data4[1] == 0 && data4[2] == 0 && data4[3] == 0 && 29
316 data4[4] == 0 && data4[5] == 0 && data4[6] == 0 && data4[7] == 0 && 29
317 data1 == 0 && data2 == 0 && data3 == 0;
executed: return data4[0] == 0 && data4[1] == 0 && data4[2] == 0 && data4[3] == 0 && data4[4] == 0 && data4[5] == 0 && data4[6] == 0 && data4[7] == 0 && data1 == 0 && data2 == 0 && data3 == 0;
Execution Count:29
29
318} -
319QUuid::Variant QUuid::variant() const -
320{ -
321 if (isNull())
evaluated: isNull()
TRUEFALSE
yes
Evaluation Count:4
yes
Evaluation Count:15
4-15
322 return VarUnknown;
executed: return VarUnknown;
Execution Count:4
4
323 -
324 if ((data4[0] & 0x80) == 0x00) return NCS;
evaluated: (data4[0] & 0x80) == 0x00
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:13
executed: return NCS;
Execution Count:2
2-13
325 else if ((data4[0] & 0xC0) == 0x80) return DCE;
partially evaluated: (data4[0] & 0xC0) == 0x80
TRUEFALSE
yes
Evaluation Count:13
no
Evaluation Count:0
executed: return DCE;
Execution Count:13
0-13
326 else if ((data4[0] & 0xE0) == 0xC0) return Microsoft;
never evaluated: (data4[0] & 0xE0) == 0xC0
never executed: return Microsoft;
0
327 else if ((data4[0] & 0xE0) == 0xE0) return Reserved;
never executed: return Reserved;
never evaluated: (data4[0] & 0xE0) == 0xE0
0
328 return VarUnknown;
never executed: return VarUnknown;
0
329} -
330QUuid::Version QUuid::version() const -
331{ -
332 -
333 Version ver = (Version)(data3>>12); -
334 if (isNull()
partially evaluated: isNull()
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:4
0-4
335 || (variant() != DCE)
evaluated: (variant() != DCE)
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:3
1-3
336 || ver < Time
partially evaluated: ver < Time
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:3
0-3
337 || ver > Sha1)
partially evaluated: ver > Sha1
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:3
0-3
338 return VerUnknown;
executed: return VerUnknown;
Execution Count:1
1
339 return ver;
executed: return ver;
Execution Count:3
3
340} -
341bool QUuid::operator<(const QUuid &other) const -
342{ -
343 if (variant() != other.variant())
evaluated: variant() != other.variant()
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:1
1
344 return variant() < other.variant();
executed: return variant() < other.variant();
Execution Count:1
1
345 -
346 if (data1!=other.data1) return (data1<other.data1);;
executed: return (data1<other.data1);
Execution Count:1
partially evaluated: data1!=other.data1
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
0-1
347 if (data2!=other.data2) return (data2<other.data2);;
never executed: return (data2<other.data2);
never evaluated: data2!=other.data2
0
348 if (data3!=other.data3) return (data3<other.data3);;
never executed: return (data3<other.data3);
never evaluated: data3!=other.data3
0
349 for (int n = 0; n < 8; n++) {
never evaluated: n < 8
0
350 if (data4[n]!=other.data4[n]) return (data4[n]<other.data4[n]);;
never executed: return (data4[n]<other.data4[n]);
never evaluated: data4[n]!=other.data4[n]
0
351 }
never executed: }
0
352 return false;
never executed: return false;
0
353} -
354bool QUuid::operator>(const QUuid &other) const -
355{ -
356 if (variant() != other.variant())
evaluated: variant() != other.variant()
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:1
1
357 return variant() > other.variant();
executed: return variant() > other.variant();
Execution Count:1
1
358 -
359 if (data1!=other.data1) return (data1>other.data1);;
partially evaluated: data1!=other.data1
TRUEFALSE
yes
Evaluation Count:1
no
Evaluation Count:0
executed: return (data1>other.data1);
Execution Count:1
0-1
360 if (data2!=other.data2) return (data2>other.data2);;
never evaluated: data2!=other.data2
never executed: return (data2>other.data2);
0
361 if (data3!=other.data3) return (data3>other.data3);;
never evaluated: data3!=other.data3
never executed: return (data3>other.data3);
0
362 for (int n = 0; n < 8; n++) {
never evaluated: n < 8
0
363 if (data4[n]!=other.data4[n]) return (data4[n]>other.data4[n]);;
never evaluated: data4[n]!=other.data4[n]
never executed: return (data4[n]>other.data4[n]);
0
364 }
never executed: }
0
365 return false;
never executed: return false;
0
366} -
367 -
368 -
369 -
370 -
371 -
372static QThreadStorage<QFile *> *devUrandomStorage() { static QGlobalStatic<QThreadStorage<QFile *> > thisGlobalStatic = { { (0) }, false }; if (!thisGlobalStatic.pointer.load() && !thisGlobalStatic.destroyed) { QThreadStorage<QFile *> *x = new QThreadStorage<QFile *>; if (!thisGlobalStatic.pointer.testAndSetOrdered(0, x)) delete x; else static QGlobalStaticDeleter<QThreadStorage<QFile *> > cleanup(thisGlobalStatic); } return thisGlobalStatic.pointer.load(); };
partially evaluated: !thisGlobalStatic.pointer.testAndSetOrdered(0, x)
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:2
evaluated: !thisGlobalStatic.pointer.load()
TRUEFALSE
yes
Evaluation Count:2
yes
Evaluation Count:1265
partially evaluated: !thisGlobalStatic.destroyed
TRUEFALSE
yes
Evaluation Count:2
no
Evaluation Count:0
never executed: delete x;
executed: return thisGlobalStatic.pointer.load();
Execution Count:1267
0-1267
373 -
374 -
375QUuid QUuid::createUuid() -
376{ -
377 QUuid result; -
378 uint *data = &(result.data1); -
379 -
380 -
381 QFile *devUrandom; -
382 -
383 devUrandom = devUrandomStorage()->localData(); -
384 if (!devUrandom) {
evaluated: !devUrandom
TRUEFALSE
yes
Evaluation Count:10
yes
Evaluation Count:1249
10-1249
385 devUrandom = new QFile(QLatin1String("/dev/urandom")); -
386 devUrandom->open(QIODevice::ReadOnly | QIODevice::Unbuffered); -
387 devUrandomStorage()->setLocalData(devUrandom); -
388 }
executed: }
Execution Count:10
10
389 -
390 -
391 -
392 -
393 -
394 enum { AmountToRead = 4 * sizeof(uint) }; -
395 if (devUrandom->isOpen()
partially evaluated: devUrandom->isOpen()
TRUEFALSE
yes
Evaluation Count:1259
no
Evaluation Count:0
0-1259
396 && devUrandom->read((char *) data, AmountToRead) == AmountToRead) {
partially evaluated: devUrandom->read((char *) data, AmountToRead) == AmountToRead
TRUEFALSE
yes
Evaluation Count:1259
no
Evaluation Count:0
0-1259
397 -
398 ; -
399 } else
executed: }
Execution Count:1259
1259
400 -
401 { -
402 static const int intbits = sizeof(int)*8; -
403 static int randbits = 0; -
404 if (!randbits) {
never evaluated: !randbits
0
405 int r = 0; -
406 int max = 2147483647; -
407 do { ++r; } while ((max=max>>1));
never evaluated: (max=max>>1)
never executed: }
0
408 randbits = r; -
409 }
never executed: }
0
410 -
411 -
412 -
413 -
414 -
415 static QThreadStorage<int *> uuidseed; -
416 if (!uuidseed.hasLocalData())
never evaluated: !uuidseed.hasLocalData()
0
417 { -
418 int *pseed = new int; -
419 static QBasicAtomicInt serial = { (2) }; -
420 qsrand(*pseed = QDateTime::currentDateTime().toTime_t() -
421 + quintptr(&pseed) -
422 + serial.fetchAndAddRelaxed(1)); -
423 uuidseed.setLocalData(pseed); -
424 }
never executed: }
0
425 -
426 -
427 -
428 -
429 -
430 -
431 -
432 int chunks = 16 / sizeof(uint); -
433 while (chunks--) {
never evaluated: chunks--
0
434 uint randNumber = 0; -
435 for (int filled = 0; filled < intbits; filled += randbits)
never evaluated: filled < intbits
0
436 randNumber |= qrand()<<filled;
never executed: randNumber |= qrand()<<filled;
0
437 *(data+chunks) = randNumber; -
438 }
never executed: }
0
439 }
never executed: }
0
440 -
441 result.data4[0] = (result.data4[0] & 0x3F) | 0x80; -
442 result.data3 = (result.data3 & 0x0FFF) | 0x4000; -
443 -
444 return result;
executed: return result;
Execution Count:1259
1259
445} -
446QDebug operator<<(QDebug dbg, const QUuid &id) -
447{ -
448 dbg.nospace() << "QUuid(" << id.toString() << ')'; -
449 return dbg.space();
executed: return dbg.space();
Execution Count:1
1
450} -
451 -
452 -
453 -
454 -
455 -
456 -
457 -
458uint qHash(const QUuid &uuid, uint seed) -
459{ -
460 return uuid.data1 ^ uuid.data2 ^ (uuid.data3 << 16) 3
461 ^ ((uuid.data4[0] << 24) | (uuid.data4[1] << 16) | (uuid.data4[2] << 8) | uuid.data4[3]) 3
462 ^ ((uuid.data4[4] << 24) | (uuid.data4[5] << 16) | (uuid.data4[6] << 8) | uuid.data4[7]) 3
463 ^ seed;
executed: return uuid.data1 ^ uuid.data2 ^ (uuid.data3 << 16) ^ ((uuid.data4[0] << 24) | (uuid.data4[1] << 16) | (uuid.data4[2] << 8) | uuid.data4[3]) ^ ((uuid.data4[4] << 24) | (uuid.data4[5] << 16) | (uuid.data4[6] << 8) | uuid.data4[7]) ^ seed;
Execution Count:3
3
464} -
465 -
466 -
467 -
468 -
Switch to Source codePreprocessed file
Generated by Squish Coco Non-Commercial