Re: (read stream) => RO string?

[Sam S. <sd...@gn...>]

Bruno Haible wrote:
> 
> Sam writes:
> > It appears the the result of (READ stream) can be a read-only string on
> > linux (make system in clocc/src/cllib gives the error "Attempt to modify
> > a read-only string").
> > Is this true?
> > Is this a bug?
> 
> Congratulations, you found a bug in CLOCC. Read-only strings in CLISP
> are currently
>    1. Symbol names (I hope the bug is not in this category!),
>    2. Literal strings read from program source files.
>       Quoting HyperSpec/Body/speope_quote.html:
>       "The consequences are undefined if literal objects (including
>        quoted objects) are destructively modified."

Are you saying that this is illegal?

[1]> (read-from-string "\"a\"")
"a" ;
3
[2]> (setf (char * 0) #\b) 
#\b
[3]> **
"b"
[4]>