Re: [PATCH] multibyte_identifiers: opt-in UTF-8 variable names (UAX #31 + NFC) behind a root-controlled system switch
Chet Ramey <[email protected]>
| Newsgroups | gmane.comp.shells.bash.bugs |
|---|---|
| Organization | ITS, Case Western Reserve University |
| Message-ID | <[email protected]> |
On 8/12/26 11:24 AM, [email protected] wrote: > The ${#name} call site in subst.c passes a plain char to > legal_variable_starter. Since 9c8a70bc that expression indexes > sh_syntaxtab directly, so on a platform with signed char a byte >= 0x80 > becomes a negative subscript; UBSan reports it as > > index -61 out of bounds for type 'int [256]' > > for the first byte of a two-byte UTF-8 sequence. Thanks for the report. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/
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