diff options
Diffstat (limited to 'base/file_util_posix.cc')
-rw-r--r-- | base/file_util_posix.cc | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/base/file_util_posix.cc b/base/file_util_posix.cc index a269d3f..6c5b86a 100644 --- a/base/file_util_posix.cc +++ b/base/file_util_posix.cc @@ -667,15 +667,22 @@ bool FileEnumerator::ReadDirectory(std::vector<DirectoryEntryInfo>* entries, // MemoryMappedFile MemoryMappedFile::MemoryMappedFile() - : file_(base::kInvalidPlatformFileValue), + : file_(-1), data_(NULL), length_(0) { } -bool MemoryMappedFile::MapFileToMemoryInternal() { +bool MemoryMappedFile::MapFileToMemory(const FilePath& file_name) { + file_ = open(file_name.value().c_str(), O_RDONLY); + + if (file_ == -1) { + LOG(ERROR) << "Couldn't open " << file_name.value(); + return false; + } + struct stat file_stat; - if (fstat(file_, &file_stat) == base::kInvalidPlatformFileValue) { - LOG(ERROR) << "Couldn't fstat " << file_ << ", errno " << errno; + if (fstat(file_, &file_stat) == -1) { + LOG(ERROR) << "Couldn't fstat " << file_name.value() << ", errno " << errno; return false; } length_ = file_stat.st_size; @@ -683,7 +690,7 @@ bool MemoryMappedFile::MapFileToMemoryInternal() { data_ = static_cast<uint8*>( mmap(NULL, length_, PROT_READ, MAP_SHARED, file_, 0)); if (data_ == MAP_FAILED) - LOG(ERROR) << "Couldn't mmap " << file_ << ", errno " << errno; + LOG(ERROR) << "Couldn't mmap " << file_name.value() << ", errno " << errno; return data_ != MAP_FAILED; } @@ -691,12 +698,12 @@ bool MemoryMappedFile::MapFileToMemoryInternal() { void MemoryMappedFile::CloseHandles() { if (data_ != NULL) munmap(data_, length_); - if (file_ != base::kInvalidPlatformFileValue) + if (file_ != -1) close(file_); data_ = NULL; length_ = 0; - file_ = base::kInvalidPlatformFileValue; + file_ = -1; } } // namespace file_util |