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Fix warnings emitted by MSVC when using -W4 #192

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merged 1 commit into from May 17, 2018

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b-spencer commented May 17, 2018

These changes fix a few warnings emitted by recent versions of MSVC when compiling with -W4. Half of the changes are in Windows-specific code, and the other half should be safe no matter the compiler or OS.

The allocation function change is probably the only one that needs explanation. MSVC gives warnings about the function pointers not being stable across DLL boundaries or something to that effect, so for Windows, I've made them be called indirectly, which at least made the compiler happy. I can't say I've tested every linking combination on Windows with them before or after the change, but it seems harmless.

@bradh352 bradh352 self-requested a review May 17, 2018

@bradh352

looks fine to me, I'll merge when travis checks succeed

@bradh352 bradh352 merged commit c18f512 into c-ares:master May 17, 2018

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