On Tue, Aug 28, 2012 at 2:33 AM, Roland Mainz <roland.ma...@nrubsig.org> wrote: > On Tue, Aug 28, 2012 at 2:11 AM, Roland Mainz <roland.ma...@nrubsig.org> > wrote: >> Attached (as "astksh_fs_at_emulation002.diff.txt") is the 2nd >> prototype patch which adds a POSIX |*at()| emulation (e.g. >> |openat()|&co.) to libast. >> >> Notes: >> - Only tested with ast-ksh.2012-08-24, not ast-open (yet) > > ast-open.2012-08-24 compiles OK. > note that some applications _may_ fail if they do something like > #define fchdir() or #define chdir() ... these functions or cpp macros > MUST redirect to |ast_fchdir()| and |ast_chdir()| since the |*at()| > emulation "remembers" the last fd used to do some optimisations. If > |ast_fchdir()| and |ast_chdir()| are bypassed then this "remembered" > fd is likely "stale" and might cause subtle failures. This is not a > bug.
*sigh* ... and add |close()| --> |ast_close()| ... which I forgot even in my own code. Welcome to sane programming at 2:30h AM... ;-( ---- Bye, Roland -- __ . . __ (o.\ \/ /.o) roland.ma...@nrubsig.org \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 3992797 (;O/ \/ \O;) _______________________________________________ ast-developers mailing list ast-developers@research.att.com https://mailman.research.att.com/mailman/listinfo/ast-developers
