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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>
(cherry picked from commit 06cd15663d)
This commit is contained in:
ringabout
2022-11-16 17:22:51 +08:00
committed by narimiran
parent 99528ee295
commit dd80e968e8
21 changed files with 44 additions and 44 deletions
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tests/system/tostring.nim
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@@ -47,7 +47,7 @@ import strutils
let arr = ['H','e','l','l','o',' ','W','o','r','l','d','!','\0']
doAssert $arr == "['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd', '!', '\\x00']"
doAssert $cstring(unsafeAddr arr) == "Hello World!"
doAssert $cast[cstring](addr arr) == "Hello World!"
proc takes(c: cstring) =
doAssert c == cstring""