mingw-w64-bug-large-binary-chunk

Small example to reproduce a bug in MinGW-W64's standard lib

Instructions

1. Clone the repo and enter directory

   git clone https://github.com/j-hap/mingw-w64-bug-large-binary-chunk.git
   cd mingw-w64-bug-large-binary-chunk
   

2. create a file that is at least INT32_MAX + 1 = 2147483648 Bytes in size
   Windows:

   fsutil file createnew test.dat 2147483649
   

   Linux:

   fallocate -l 2147483649 test.dat
   

3. Setup up environment (depends on your compiler, OS, shell, etc.)
4. Build

   cmake -S . -B ./out
   cmake --build ./out
   

5. Run (executable may be in a subdirectory, depending on the build tool)

   ./out/mingw-w64-bug-large-binary-chunk*