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cstatunistd.h

sys/stat.h returning wrong size

I am using

  1. unistd.h
  2. sys/stat.h

and what is interesting is that st_size is bigger than the value returned after read()? st.st_size returns 644 - read() returns 606, Any thoughts?

Solution

  • Size of file and size of stream may not match. For example, when you open file in text mode, OS can translate multi-byte EOL sequences into single char. This is usually visible on Windows, but if you have a Windows file on Linux, the effect can be the same.