0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">=


Now I want to directly use zlib in my project to compress some data -

nothing to do with PNGs - but I'm having trouble. I'm following the=
zlib

1.2.11 manual, but whenever I try to deflateInit(...) or compress(...) I r>
get a return value of Z_STREAM_ERROR - this despite the fact that I'm <=
br>
copy and pasting code directly from examples and tutorials. I found a

zlib example VS project online which directly compiles some zlib source >
code into itself, and the code in question works fine in that project.
<=
/blockquote>

The most likely culprit if you are copying =
and pasting code from examples (it may not be the actual problem but the mo=
st likely culprit) is that when you opened the file with fopen or whatever,=
you didn't open it in binary mode, and Windows is translating the \n t=
o \r\n or what have you.

When you use fopen on Win=
dows you need to add a "b" at the end of the "mode" arg=
ument to make sure that Windows opens it in binary mode.

v>

However, this is a well-known problem so if that is not what you fou=
nd on stackoverflow or what have you, it may not be that.

iv>

=C2=A0<=
/div>

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