int64_t DimWriteStatistics::GetFileSizeOnDisk ( const std::string &  file, MessageImp &  log  )

static

Returns the size on disk of a given file.

Retrieves the size on disk of a given file, in bytes

Parameters

file	the filename for which the size should be retrieved

Returns

the size of the file, in bytes

Definition at line 81 of file DimWriteStatistics.cc.

References MessageImp::Error(), and str.

{
     errno = 0;
     struct stat st;
     if (!stat(file.c_str(), &st))
         return st.st_size;

     //ignoring error #2: no such file or directory is not an error for new files
     if (errno == 0 || errno == 2)
         return 0;

     ostringstream str;
     str << "stat() failed for '" << file << "': " << strerror(errno) << " [errno=" << errno << "]";
     log.Error(str);

     return -1;
}

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