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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 266 void StringBuilder::AddFormattedList(const char* format, va_list list) { | 266 void StringBuilder::AddFormattedList(const char* format, va_list list) { |
| 267 ASSERT(!is_finalized() && position_ < buffer_.length()); | 267 ASSERT(!is_finalized() && position_ < buffer_.length()); |
| 268 int n = OS::VSNPrintF(buffer_ + position_, format, list); | 268 int n = OS::VSNPrintF(buffer_ + position_, format, list); |
| 269 if (n < 0 || n >= (buffer_.length() - position_)) { | 269 if (n < 0 || n >= (buffer_.length() - position_)) { |
| 270 position_ = buffer_.length(); | 270 position_ = buffer_.length(); |
| 271 } else { | 271 } else { |
| 272 position_ += n; | 272 position_ += n; |
| 273 } | 273 } |
| 274 } | 274 } |
| 275 | 275 |
| 276 | |
| 277 MemoryMappedExternalResource::MemoryMappedExternalResource(const char* filename) | |
| 278 : filename_(NULL), | |
| 279 data_(NULL), | |
| 280 length_(0), | |
| 281 remove_file_on_cleanup_(false) { | |
| 282 Init(filename); | |
| 283 } | |
| 284 | |
| 285 | |
| 286 MemoryMappedExternalResource:: | |
| 287 MemoryMappedExternalResource(const char* filename, | |
| 288 bool remove_file_on_cleanup) | |
| 289 : filename_(NULL), | |
| 290 data_(NULL), | |
| 291 length_(0), | |
| 292 remove_file_on_cleanup_(remove_file_on_cleanup) { | |
| 293 Init(filename); | |
| 294 } | |
| 295 | |
| 296 | |
| 297 MemoryMappedExternalResource::~MemoryMappedExternalResource() { | |
| 298 // Release the resources if we had successfully acquired them: | |
| 299 if (file_ != NULL) { | |
| 300 delete file_; | |
| 301 if (remove_file_on_cleanup_) { | |
| 302 OS::Remove(filename_); | |
| 303 } | |
| 304 DeleteArray<char>(filename_); | |
| 305 } | |
| 306 } | |
| 307 | |
| 308 | |
| 309 void MemoryMappedExternalResource::Init(const char* filename) { | |
| 310 file_ = OS::MemoryMappedFile::open(filename); | |
| 311 if (file_ != NULL) { | |
| 312 filename_ = StrDup(filename); | |
| 313 data_ = reinterpret_cast<char*>(file_->memory()); | |
| 314 length_ = file_->size(); | |
| 315 } | |
| 316 } | |
| 317 | |
| 318 } } // namespace v8::internal | 276 } } // namespace v8::internal |
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