Hi Waldek, what's your view on this patch? - Qian
On 10/24/24 6:40 PM, Qian Yun wrote: > There was this problem when using fricas(sman) in a pipe, > the output may get truncated at beginning or end. > > I used a workaround before, but now I have find the root cause > and a proper fix. > > First, "expose-bug.patch" in the attachment reverts the workaround > and expose the bug during the book building. > > The root cause is that, the first prompt is send from "FRICASsys" > to "session", skipping "sman", causing a race. > > If "session" gets "(1) -> \0" from "FRICASsys", then gets > "a very long string" from "sman", then the socket may send them > together, so "spadclient" gets this: > > "(1) -> \0a very long string" > > When printed by "fputs", those after '\0' is truncated. > > Now, with my patch, the initial prompt is sent from "FRICASsys" > to terminal, then to "sman", then to "session", then to "spadclient". > > - Qian -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to fricas-devel+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/fricas-devel/28d3eca1-9eac-4112-b973-b196cf8616e8%40gmail.com.
