https://issues.dlang.org/show_bug.cgi?id=12923
--- Comment #2 from Timothee Cour <[email protected]> --- (In reply to Timothee Cour from comment #1) > (In reply to Timothee Cour from comment #0) > > import std.utf; > > void main(){ > > char[3]a=[167, 133, 175]; > > validate(a); > > //passes > > > > auto k=stride(a,0); > > /+ > > std.utf.UTFException@std/utf.d(199): Invalid UTF-8 sequence (at index 0) > > pure @safe uint std.utf.stride!(char[3]).stride(ref char[3], ulong) + 141 > > +/ > > } > > > > This happens even after applying the fix > > https://github.com/D-Programming-Language/phobos/pull/2038 > > Additionally, another error is thrown on any of those: > foreach (i, dchar c; a){} //src/rt/util/utf.d:290 Invalid UTF-8 sequence > foreach_reverse (i, dchar c; a){} //src/rt/aApplyR.d:511 Invalid UTF-8 > sequence > > so perhaps std.utf.validate accepts some invalid UTF sequences Here's one possible fix: in decodeImpl: ---- UTFException invalidUTF(){...} //insert this import core.bitop; immutable msbs = 7 - bsr(~fst); if (msbs < 2 || msbs > 6) throw invalidUTF(); UTFException outOfBounds() {...} ---- To have same behavior as inside strideImpl. But is that correct, or was the behavior in strideImpl wrong itself? --
