JehanneOS/jehanne
JehanneOS
/
jehanne
1
0
Fork 0
Code Issues Pull Requests Projects Releases Activity

kern: cleanup procread for Qnote

This commit is contained in:
Giacomo Tesio 2017-10-23 03:11:22 +02:00
parent 70d5961022
commit c17d5bdb18
1 changed files with 6 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sys/src/kern/port/devproc.c
View File

@ -899,17 +899,15 @@ procread(Chan *c, void *va, long n, int64_t off)
n = 0;
else {
i = jehanne_strlen(p->note[0].msg) + 1;
if(i > n)
i = n;
rptr = va;
jehanne_memmove(rptr, p->note[0].msg, i);
rptr[i-1] = '\0';
p->nnote--;
jehanne_memmove(p->note, p->note+1, p->nnote*sizeof(Note));
if(i < n)
n = i;
}
if(p->nnote == 0)
rptr = va;
jehanne_memmove(rptr, p->note[0].msg, n);
rptr[n-1] = '\0';
if(--p->nnote == 0)
p->notepending = 0;
jehanne_memmove(p->note, p->note+1, p->nnote*sizeof(Note));
}
poperror();
qunlock(&p->debug);
psdecref(p);