http://d.puremagic.com/issues/show_bug.cgi?id=5247
Summary: std.utf.stride() should not return 0xFF
Product: D
Version: D2
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Phobos
AssignedTo: nob...@puremagic.com
ReportedBy: rsi...@gmail.com
--- Comment #0 from Shin Fujishiro <rsi...@gmail.com> 2010-11-21 01:12:18 PST
---
stride(s, i) returns 0xFF, or 255, if s[i] is not a UTF-8 lead byte. This
design allows the function to silently succeed when the input is broken:
auto str = new char[](300);
str[0] = '\xFE'; // broken
str = str[str.stride(0) .. $]; // jumps 255 bytes
stride(s, i) should throw an exception if s[i] is not a lead byte. Or at least
the error value should not be 255.
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