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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>
This commit is contained in:
ringabout 2022-11-16 17:22:51 +08:00 • committed by GitHub
commit 06cd15663d
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25 changed files with 50 additions and 50 deletions
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lib/std/private/strimpl.nim
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@ -106,7 +106,7 @@ func find*(s, sub: cstring, start: Natural = 0, last = 0): int =
if sub.len > s.len - start: return -1
if sub.len == 1: return find(s, sub[0], start, last)
if last == 0 and s.len > start:
let found = c_strstr(s[start].unsafeAddr, sub)
let found = c_strstr(cast[cstring](s[start].unsafeAddr), sub)
if not found.isNil:
result = cast[ByteAddress](found) -% cast[ByteAddress](s)
else: