Re: [Bug-ed] Possible bug in GNU Ed

[Antonio Diaz Diaz]

Dear Mark,

Mark Manning wrote:
> In the file buffer.c within the function join_lines() there is an if
> statement as follows...
>
>   if(!put_sbuf_line(buf, current_addr_) ||
>      !push_undo_atom(UADD, -1, -1))
>   {
>     ...
>   }
>
> It is my understanding that in cases like this the order of operations
> is indeterminate.

I don't know where did you learn that, but I advice you to learn it 
again, for example in the GNU C Reference Manual[1].
[1]http://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html#Logical-Operators

"The logical conjunction operator || tests if at least one of two 
expressions it true. If the first expression is true, then the second 
expression is not evaluated.

     if ((x == 5) || (y == 10))
        printf (``x is 5 or y is 10'');"


Regards,
Antonio Diaz.