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fixes ptr to cstring warnings[backport] (#20848)

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* fix =#13790 ptr char (+friends) should not implicitly convert to cstring

* Apply suggestions from code review

* first round; compiles on windows

* nimPreviewSlimSystem

* conversion is unsafe, cast needed

* fixes more tests

* fixes asyncnet

* another try another error

* last one

* true

* one more

* why bugs didn't show at once

* add `nimPreviewCstringConversion` switch

* typo

* fixes ptr to cstring warnings[backport]

* add fixes

Co-authored-by: xflywind <43030857+xflywind@users.noreply.github.com>
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ringabout 2022-11-16 17:22:51 +08:00 • committed by GitHub
commit 06cd15663d
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lib/system/dyncalls.nim
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@ -161,7 +161,7 @@ elif defined(windows) or defined(dos):
dec(m)
k = k div 10
if k == 0: break
result = getProcAddress(cast[THINSTANCE](lib), addr decorated)
result = getProcAddress(cast[THINSTANCE](lib), cast[cstring](addr decorated))
if result != nil: return
procAddrError(name)