=?ISO-8859-1?Q?Dennis_Bj=F6rklund?= <[EMAIL PROTECTED]> writes:
> I've been looking into the code of psql to fix a problem with charsets and
> noticed that psql changes the strings it gets back from functions like
> PQfname() and PQgetvalue().

I'd call that a bug in psql.  Where do you see it happening exactly?

> Or should I read that the return value is "char *" and not "const char *" 
> as it's okay to alter it?

No, I think the return value ought to be treated as const char *.
We're hesitant to actually declare it that way because we'd cause compile
errors in many client applications that aren't being const-paranoid.
But the app has no business modifying those values.

                        regards, tom lane

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