Re: Get point is moving backwards.
RyanMcCoskrie ha scritto:
I'm working on a small assembler for a virtualised architecture on
Linux.
This is the central loop:
while( !input.eof() ){
input >> str;
Never use eof() unless you really know what it does and I can assure you
that it doesn't do what you think it should do. Use this instead:
while (input >> str) {
(hint: this implicitly tests fail() instead of eof(), which is the
correct thing to do in this case)
if( str == "set") set();
//etcetera...
Set then goes on to gather information from the input file (a global
variable)
and adds the results to the output buffer.
Seems good in theory.
When I run this though on the second iteration of the central loop the
get point has defaulted
back to zero.
What is the "get point"?
Is this meant to happen or should I file a bug report to the FSF?
You weren't clear enough to let me understand what it's happening, but
it looks precisely like something that could be caused by using eof()
instead of fail().
Ganesh
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