From: Stuart Morrow <morrow.stuart@gmail.com>
To: 9front@9front.org
Subject: Re: [9front] screenlock
Date: Sun, 18 Jul 2021 20:31:52 +0100 [thread overview]
Message-ID: <CABB-WO9a+dZbJJcRHTGSGFXewS_pXf4tRULZNGOgV6w2VSyvnQ@mail.gmail.com> (raw)
In-Reply-To: <E34DD43A58FEBD4E0BB840C7C06268DA@felloff.net>
> thats wrong because the read wont return you a '\0' terminated string.
Oh, yeah. And I can even come up with a scenario where wctl will emit
without there being a notcurrent.
--- /mnt/git/object/be36c092ac061a04065720e98e5849130487be7f/tree/sys/src/cmd/screenlock.c
+++ sys/src/cmd/screenlock.c
@@ -119,14 +119,19 @@
void
top(void*)
{
- int fd;
+ int fd, n;
+ char buf[128];
- if((fd = open("/dev/wctl", OWRITE)) < 0)
+ if((fd = open("/dev/wctl", ORDWR)) < 0)
return;
for(;;){
- write(fd, "current", 7);
- sleep(500);
+ n = read(fd, buf, sizeof buf-1);
+ if(n > 48){
+ buf[n] = '\0';
+ if(strstr(buf+48, "notcurrent"))
+ write(fd, "current", 7);
+ }
}
}
@@ -186,7 +191,7 @@
tm = localtime(time(&blank));
s = smprint("user %s at %d:%02.2d", getuser(), tm->hour, tm->min);
p = subpt(p, Pt(stringwidth(font, "m") * strlen(s) / 2, 0));
- string(screen, p, screen->display->white, ZP, font, s);
+ stringbg(screen, p, display->white, ZP, font, s, display->black, ZP);
}
next prev parent reply other threads:[~2021-07-18 19:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-18 16:04 Stuart Morrow
2021-07-18 17:45 ` cinap_lenrek
2021-07-18 19:31 ` Stuart Morrow [this message]
2021-07-18 20:23 ` cinap_lenrek
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