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kbdfs: don't get confused by broken utf8

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This commit is contained in:
cinap_lenrek 2018-10-21 03:42:24 +02:00
parent b4eb667f02
commit 2fd35e9bf8
1 changed files with 21 additions and 15 deletions
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36
sys/src/cmd/aux/kbdfs/kbdfs.c
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@ -625,23 +625,29 @@ consproc(void *)
p = buf;
e = buf + sizeof(buf);
while((n = read(consfd, p, e - p)) > 0){
x = buf + n;
while(p < x && fullrune(p, x - p)){
p += chartorune(&r, p);
if(r){
if(r == 021 || r == 023) /* XON/XOFF */
continue;
if(r == '\n' && cr){
cr = 0;
continue;
}
if(cr = (r == '\r'))
r = '\n';
send(runechan, &r);
x = p + n;
p = buf;
while((n = x - p) > 0){
if(!fullrune(p, n)){
memmove(buf, p, n);
break;
}
p += chartorune(&r, p);
if(r == 021 || r == 023) /* XON/XOFF */
continue;
if(r == 0 || r == Runeerror){
cr = 0;
continue;
}
if(r == '\n' && cr){
cr = 0;
continue;
}
if(cr = (r == '\r'))
r = '\n';
send(runechan, &r);
}
n = x - p;
memmove(buf, p, n);
if(n < 0) n = 0;
p = buf + n;
}