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Binary output ofstream/VC++ WTF?!?!

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char c[4] = {2,0x0A,0xFF,0x0D}; ofstream o; o.open("test"); o.write(c, 4); o.close(); // first five bytes of test: 02, 0D, 0A, FF, 0D ofstream inserts 0x0D before 0x0A! I tried a few other cases too. This is banal! I figure it''s because 0A is Line-Feed, and 0D is carriage return, and for some reason M$ expects that I''m trying to create a file for reading. anyone know of a workaround? or maybe a flag I''m not setting right? George D. Filiotis I am a signature virus. Please add me to your signature so that I may multiply.

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Original post by Programmer16
ofstream o("test.txt", ios::binary);

Do you have to give the other flags with it? Like ios::out and ios::trunc? Or are they assumed by the ofstream class?

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With ofstream, ios::out is assumed. And with ifstream, ios::in is assumed. If you want to use ios::trunc you do have to apply it too.
ofstream o("test.txt", ios::binary | ios::trunc);

I use DirectX 8.1 and C++ (Microsoft Visual C++ 6.0 Professional edition)

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