Re: [hackers] [SIC] alias patch

Helps if I attach the patch... :-/

-E

On 8/10/07, Evan Gates <evan.gates_AT_gmail.com> wrote:
> New patch again. I was working on it before I got your latest message
> Kris, so it doesn't follow your code, although it probably should, as
> that's most likely a cleaner way to do it. As it is now, I've added
> recursive aliases to the mix. Some examples...
>
> :a long #thisisalongchannelname
> :a mlong :m long
> :j long
> :mlong message to #thisisalongchannelname
> :l long
>
> :a bot :m bot_name
> :bot command to bot
> :a com :bot frequently used command
> :com parameters to command
>
> :a foo :bar
> :a bar :foo
> :foo
>
> results in
>
> emg : 08/10/07 20:25 <sic> alias loop
>
>
> This patch can be applied to the current tip and updates the man page
> accordingly. Let me know if you have find any problems. I'll most
> likely be trying to change over to the way Kris suggested.
>
> -E
>
> On 8/10/07, Kris Maglione <jg_AT_suckless.org> wrote:
> > Something like this (still doesn't apply to channel name as
> > yours does; still untested; could be shorter);
> >
> > #define nelem(x) (sizeof(x)/sizeof *(x))
> > static char *alias[256][2];
> > static int nalias;
> >
> > static char**
> > getalias(char *a) {
> > int i;
> >
> > for(i=0; i < nalias; i++)
> > if(!strcmp(a, alias[i][0]))
> > return alias[i];
> > return nil;
> > }
> >
> > static void
> > parsein(long n, char *msg) {
> > char *p, **q;
> >
> > if(msg[0] == '\0')
> > return;
> > msg = ctok(&msg, '\n');
> > if(msg[0] != ':') {
> > privmsg(channel, msg);
> > return;
> > }
> > msg++;
> > p = tok(&msg);
> > if(!p[0] || p[1])
> > goto casdef;
> > else {
> > if(msg[1])
> > msg += 2;
> > switch(p[1]) {
> > case 'a':
> > p = tok(&msg);
> > if(!p)
> > return;
> > if((q = getalias(p)))
> > free(q[1]);
> > else
> > q = alias[nalias++];
> > assert(nalias <= nelem(alias));
> > q[1] = strdup(msg);
> > break;
> > /* ... */
> > default:
> > casdef:
> > if((q = getalias(p))) {
> > assert(n < 50);
> > p = smprint("%s %s", q[1], msg);
> > parsein(n+1, p);
> > free(p);
> > }else
> > sout("%s %s", p, msg);
> > break;
> > }
> > }
> > }
> >
> > /* ... */
> >
> > static char*
> > smprint(const char *fmt, ...) {
> > va_list ap;
> > char *buf = "";
> > int n;
> >
> > va_start(ap, fmt);
> > n = snprintf(buf, 0, fmt, ap);
> > va_end(ap);
> >
> > buf = malloc(++n);
> > if(buf) {
> > va_start(ap, fmt);
> > snprintf(buf, n, fmt, ap);
> > va_end(ap);
> > }
> > return buf;
> > }
> >
> > --
> > Kris Maglione
> >
> > If you are given an open-book exam, you will forget
> > your book.
> > If you are given a take-home exam, you will forget
> > where you live.
> >
> >
>