Warnings when compiling in Visual C++

[PeterDraex]

Hello, when I include the crow header in my project in Visual Studio 2017 on Windows and I get the following warnings:

crow.h(6644): warning C4267: '+=': conversion from 'size_t' to 'char', possible loss of data
crow.h(6656): warning C4293: '>>': shift count negative or too big, undefined behavior
crow.h(6837): warning C4244: '=': conversion from 'uint64_t' to '::size_t', possible loss of data
crow.h(6592): warning C4267: '+=': conversion from 'size_t' to 'char', possible loss of data

Is this normal?

Thanks, Peter

[marosiak]

Yes it's normal as you're trying to compile linux lib on windows. Sadly crow is linux only :/

On Thu, Mar 15, 2018 at 1:13 PM, Peter Dräxler [email protected] wrote:

Hello, when I include the crow header in my project in Visual Studio 2017 on Windows and I get the following warnings:

crow.h(6644): warning C4267: '+=': conversion from 'size_t' to 'char', possible loss of data crow.h(6656): warning C4293: '>>': shift count negative or too big, undefined behavior crow.h(6837): warning C4244: '=': conversion from 'uint64_t' to '::size_t', possible loss of data crow.h(6592): warning C4267: '+=': conversion from 'size_t' to 'char', possible loss of data

Is this normal?

Thanks, Peter

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[netromdk]

No. Crow runs on Linux, Mac, and Windows just fine. These warnings mean that some code should be revisited to not truncate or coerce wrongly.

[PeterDraex]

Would you guys, perhaps, like to label this as a bug? Shouldn’t be hard to get done.