OK, I filed [SR-466] as a compiler issue. If the behaviour changes and that flows through to Darwin Foundation, we can update the open source one...
— Luke > On 5 Jan 2016, at 8:21 AM, Philippe Hausler <phaus...@apple.com> wrote: > > No C strings import as UnsafePointer<CChar> for some reason; they all import > as Int8 > > e.g. > public func pthread_setname_np(_: UnsafePointer<Int8>) -> Int32 > > >> On Jan 4, 2016, at 1:20 PM, Tony Parker via swift-corelibs-dev >> <swift-corelibs-dev@swift.org <mailto:swift-corelibs-dev@swift.org>> wrote: >> >> Hi Luke, >> >>> On Jan 2, 2016, at 8:28 PM, Luke Howard via swift-corelibs-dev >>> <swift-corelibs-dev@swift.org <mailto:swift-corelibs-dev@swift.org>> wrote: >>> >>> Many Foundation APIs use Int8 instead of CChar when representing C strings, >>> e.g.: >>> var UTF8String: UnsafePointer >>> <https://developer.apple.com/library/mac/documentation/Swift/Reference/Swift_UnsafePointer_Structure/index.html#//apple_ref/swift/struct/s:VSs13UnsafePointer><Int8 >>> >>> <https://developer.apple.com/library/mac/documentation/Swift/Reference/Swift_Int8_Structure/index.html#//apple_ref/swift/struct/s:VSs4Int8>> >>> { get } >>> I don’t know if/when Swift will be ported to a platform where the character >>> type is unsigned but perhaps it would be good to update these to take CChar >>> instead? >>> >>> — Luke >>> >> >> I’m not really sure why it’s imported to Swift as an unsafe pointer to Int8 >> anyway. The Objective-C code uses char: >> >> @property (nullable, readonly) __strong const char *UTF8String >> NS_RETURNS_INNER_POINTER; // Convenience to return null-terminated UTF8 >> representation >> >> - (nullable instancetype)initWithUTF8String:(const char >> *)nullTerminatedCString; >> >> - Tony >> >> >> _______________________________________________ >> swift-corelibs-dev mailing list >> swift-corelibs-dev@swift.org <mailto:swift-corelibs-dev@swift.org> >> https://lists.swift.org/mailman/listinfo/swift-corelibs-dev > -- www.lukehoward.com soundcloud.com/lukehoward
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