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[Strict memory safety] Remove now-extraneous "unsafe" from the standard libraries

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Now that we aren't propagating "unsafe" to nested types, remove
unnecessary "unsafe" keywords from the standard library.

(cherry picked from commit fe6856726e)
This commit is contained in:
Doug Gregor
2025-04-19 08:13:05 -07:00
parent 4c5ba0c5cb
commit 469b30334c
8 changed files with 49 additions and 49 deletions
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8
stdlib/public/core/StringUTF8Validation.swift
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@@ -160,11 +160,11 @@ internal func validateUTF8(_ buf: UnsafeBufferPointer<UInt8>) -> UTF8ValidationR
func _legacyNarrowIllegalRange(buf: Slice<UnsafeBufferPointer<UInt8>>) -> Range<Int> {
var reversePacked: UInt32 = 0
if let third = unsafe buf.dropFirst(2).first {
unsafe reversePacked |= UInt32(third)
reversePacked |= UInt32(third)
reversePacked <<= 8
}
if let second = unsafe buf.dropFirst().first {
unsafe reversePacked |= UInt32(second)
reversePacked |= UInt32(second)
reversePacked <<= 8
}
unsafe reversePacked |= UInt32(buf.first!)
@@ -177,8 +177,8 @@ internal func validateUTF8(_ buf: UnsafeBufferPointer<UInt8>) -> UTF8ValidationR
var endIndex = unsafe buf.startIndex
var iter = unsafe buf.makeIterator()
_ = unsafe iter.next()
while let cu = unsafe iter.next(), unsafe UTF8.isContinuation(cu) {
unsafe endIndex += 1
while let cu = unsafe iter.next(), UTF8.isContinuation(cu) {
endIndex += 1
// Unicode's Maximal subpart of an ill-formed subsequence will yield
// at most 3 bytes of error.
if unsafe buf.distance(from: buf.startIndex, to: endIndex) >= 3 {