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[wasm] Fix WASI build around TimeZone #984

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Oct 18, 2024
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2 changes: 1 addition & 1 deletion Sources/FoundationEssentials/TimeZone/TimeZone.swift
Original file line number Diff line number Diff line change
Expand Up @@ -390,7 +390,7 @@ extension TimeZone {

extension TimeZone {
internal static func dataFromTZFile(_ name: String) -> Data {
#if NO_TZFILE || os(Windows)
#if NO_TZFILE || os(Windows) || os(WASI)
return Data()
#else
let path = TZDIR + "/" + name
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3 changes: 3 additions & 0 deletions Sources/FoundationEssentials/TimeZone/TimeZone_Cache.swift
Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,9 @@ struct TimeZoneCache : Sendable, ~Copyable {
return TimeZone(inner: result)
}
}
#elseif os(WASI)
// WASI doesn't provide a way to get the current timezone for now, so
// just return the default GMT timezone.
#else
let buffer = UnsafeMutableBufferPointer<CChar>.allocate(capacity: Int(PATH_MAX + 1))
defer { buffer.deallocate() }
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