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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBitmap.h" | 8 #include "SkBitmap.h" |
9 #include "SkErrorInternals.h" | 9 #include "SkErrorInternals.h" |
10 #include "SkValidatingReadBuffer.h" | 10 #include "SkValidatingReadBuffer.h" |
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164 size_t size = 0; | 164 size_t size = 0; |
165 if (!fError) { | 165 if (!fError) { |
166 size = path->readFromMemory(fReader.peek(), fReader.available()); | 166 size = path->readFromMemory(fReader.peek(), fReader.available()); |
167 this->validate((SkAlign4(size) == size) && (0 != size)); | 167 this->validate((SkAlign4(size) == size) && (0 != size)); |
168 } | 168 } |
169 if (!fError) { | 169 if (!fError) { |
170 (void)this->skip(size); | 170 (void)this->skip(size); |
171 } | 171 } |
172 } | 172 } |
173 | 173 |
174 void SkValidatingReadBuffer::readPatch(SkPatch* patch) { | |
175 size_t size = 0; | |
176 if (!fError) { | |
177 size = patch->readFromMemory(fReader.peek(), fReader.available()); | |
178 this->validate((SkAlign4(size) == size) && (0 != size)); | |
179 } | |
180 if (!fError) { | |
181 (void)this->skip(size); | |
182 } | |
183 } | |
184 | |
185 bool SkValidatingReadBuffer::readArray(void* value, size_t size, size_t elementS
ize) { | 174 bool SkValidatingReadBuffer::readArray(void* value, size_t size, size_t elementS
ize) { |
186 const uint32_t count = this->getArrayCount(); | 175 const uint32_t count = this->getArrayCount(); |
187 this->validate(size == count); | 176 this->validate(size == count); |
188 (void)this->skip(sizeof(uint32_t)); // Skip array count | 177 (void)this->skip(sizeof(uint32_t)); // Skip array count |
189 const size_t byteLength = count * elementSize; | 178 const size_t byteLength = count * elementSize; |
190 const void* ptr = this->skip(SkAlign4(byteLength)); | 179 const void* ptr = this->skip(SkAlign4(byteLength)); |
191 if (!fError) { | 180 if (!fError) { |
192 memcpy(value, ptr, byteLength); | 181 memcpy(value, ptr, byteLength); |
193 return true; | 182 return true; |
194 } | 183 } |
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274 | 263 |
275 void SkValidatingReadBuffer::skipFlattenable() { | 264 void SkValidatingReadBuffer::skipFlattenable() { |
276 SkString name; | 265 SkString name; |
277 this->readString(&name); | 266 this->readString(&name); |
278 if (fError) { | 267 if (fError) { |
279 return; | 268 return; |
280 } | 269 } |
281 uint32_t sizeRecorded = this->readUInt(); | 270 uint32_t sizeRecorded = this->readUInt(); |
282 this->skip(sizeRecorded); | 271 this->skip(sizeRecorded); |
283 } | 272 } |
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