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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/std/private/oscommon.nim
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@ -63,7 +63,7 @@ when defined(windows) and not weirdTarget:
template findNextFile*(a, b: untyped): untyped = findNextFileA(a, b)
template getCommandLine*(): untyped = getCommandLineA()
template getFilename*(f: untyped): untyped = $cstring(addr f.cFileName)
template getFilename*(f: untyped): untyped = $cast[cstring](addr f.cFileName)
proc skipFindData*(f: WIN32_FIND_DATA): bool {.inline.} =
# Note - takes advantage of null delimiter in the cstring