you didn't read the thread! They are already solved as LOGAPPEND command.
2010/12/3 Kenneth Lerman <kenneth.ler...@se-ltd.com>
> On 12/01/2010 05:49 AM, Slavko Kocjancic wrote:
> > Hello...
> >
> > I was trying to change behaviour of (LOGOPEN, filename) feature to not
> > truncate file when oppened (to add)
> > As my knowledge with C is not good I can't manage to do in way I like
> > and to be good for others too.
> > My idea was to use (LOGOPEN, filename) as is and (LOGOPEN, filename,
> > append) to append to file.
> > But I can't find a way to do it. So After little twigeling I manage like
> > this:
> >
> > (LOGOPEN, filename) as is
> > (LOGOPEN, _filename) to append to the file. (filename start's with
> > underscore)
> >
> > and change was done in src/emc/task/emccanon.cc
> >
> > the old way is:
> >
> > void LOGOPEN(char *name) {
> > if(logfile) fclose(logfile);
> > logfile = fopen(name, "wt");
> > fprintf(stderr, "LOGOPEN(%s) -> %p\n", name, logfile);
> > }
> >
> >
> > changed to:
> >
> > void LOGOPEN(char *name) {
> > if(logfile) fclose(logfile);
> > if (name[1] == '_') {
> >
> s/b if (name[0] == '_') { // arrays in C begin with the 0 element
> > logfile = fopen(name, "at");
> >
> S/B logfile = fopen(name+1, "at"); // you want to skip the '_'
> > } else {
> > logfile = fopen(name, "wt");
> > }
> > fprintf(stderr, "LOGOPEN(%s) -> %p\n", name, logfile);
> > }
> >
> >
> > It's works. But can someone check if maybe I make something dumb, and to
> > update that in 2.5.0~pre? (probably comment in manual is good to have
> too)
> >
> > Thanks
> > Slavko.
> >
> > p.s.
> > What is 'correct' way to post such changes?!
> >
> >
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