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alarm: try /bin for command

--- a/sys/src/cmd/alarm.c

+++ b/sys/src/cmd/alarm.c

@@ -33,27 +33,23 @@

 	exits("usage");

 }

-static int

-notefun(void *, char *msg)

+static void

+catch(void *, char *msg)

 {

  	postnote(PNGROUP, cpid, msg);

-	return 1;

+	noted(NDFLT);

 }

 void

 main(int argc, char *argv[])

 {

-	char *path, *p, *q;

+	char buf[1024], *p, *q;

 	Waitmsg *w;

 	long n, t;

-	ARGBEGIN{

-	default: usage();

-	}ARGEND

-

-	if(argc < 2)

+	if(argc < 3)

 		usage();

-	n = strtol(*argv++, &p, 10);

+	n = strtol(argv[1], &p, 10);

 	if(n < 0)

 		usage();

 	t = n * 1000;

@@ -74,18 +70,19 @@

 		}

 		t += n;

 	}

-	path = *argv;

-	if(p = strrchr(path, '/'))

-		if(p[1])

-			*argv = p+1;

-	atnotify(notefun,1);

 	switch((cpid = rfork(RFFDG|RFREND|RFPROC|RFMEM|RFNOTEG))){

 	case -1:

 		sysfatal("%r");

 	case 0: /* child */

-		exec(path, argv);

-		sysfatal("%s: %r", *argv);

+		exec(argv[2], &argv[2]);

+		if(argv[2][0] != '/' && strncmp(argv[2], "./", 2) &&

+		   strncmp(argv[2], "../", 3)){

+			snprint(buf, sizeof(buf), "/bin/%s", argv[2]);

+			exec(argv[2] = buf, &argv[2]);

+		}

+		sysfatal("%s: %r", argv[2]);

 	}

+	notify(catch);

 	alarm(t);

 	if(w = wait())

 		exits(w->msg);

-- 

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