static int
vn_readwrite_io(struct vn_softc * vn, struct buf * bp, vfs_context_t ctx)
{
int error = 0;
char * iov_base;
caddr_t vaddr;
if (buf_map(bp, &vaddr))
panic("vn device: buf_map failed");
iov_base = (char *)vaddr;
if (vn->sc_shadow_vp == NULL) {
user_ssize_t temp_resid;
error = file_io(vn->sc_vp, ctx,
buf_flags(bp) & B_READ ? UIO_READ : UIO_WRITE,
iov_base,
(off_t)buf_blkno(bp) * vn->sc_secsize,
buf_resid(bp), &temp_resid);
buf_setresid(bp, temp_resid);
}
else {
if (buf_flags(bp) & B_READ)
error = shadow_read(vn, bp, iov_base, ctx);
else
error = shadow_write(vn, bp, iov_base, ctx);
}
buf_unmap(bp);
return (error);
}
static int load(char *s)
{
int i,k;
long kk;
long k1,k2;
char *p;
int alku;
int shad_permit=1;
char x[LLENGTH];
char aika[26];
int lev=0;
if (*s==EOS) return(1);
disp_frame=0;
p=strchr(s,',');
if (p==NULL)
{
k1=atol(s);
if (k1<1L) k1=1L;
k2=jmax;
}
else
{
*p=EOS;
k1=atol(s);
if (k1<1L) k1=1L;
k2=atol(p+1);
if (k2<k1) k2=jmax;
if (strchr(p+1,'*')!=NULL) disp_frame=1;
}
if (edit) alku=0;
else alku=1;
if (disp_frame)
{
pvmaika(aika);
k=sprintf(line,"* - - SURVO MM ");
k+=sprintf(line+k,"%s %20.20s%7d%5d 0",aika,edisk,ted2,ted1-1);
edwrite(line,jj,0);
if (zs[jj]==0) {
i=shadow_create(jj);
if (i<0) return(-1);
}
for (i=0; i<k; ++i) line[i]=' ';
line[k]=EOS;
line[1]='{';
line[k-1]='}';
lev=k;
edwrite(line,zs[jj],0);
++jj;
}
for (kk=k1; kk<=k2; ++kk)
{
if (jj>r2) {
ei_tilaa();
break;
}
edread(line,jj);
if (!empty_s(line+1))
{
/* ei_tilaa(); */
i=lis_rivit(jj,k2-kk+1L+(long)disp_frame); /* 29.6.90 */
if (i<0) break;
}
i=etsi(kk);
if (i<0) {
muste_fclose(text);
return(-1);
}
i=lue_rivi(line);
if (feof(text) && !*line) {
jmax=kk-1;
break;
}
if (i<0) return(-1);
if (!disp_frame) edwrite(line,jj,alku);
else
{
sprintf(x,"*%4ld %s",kk,line); /* k -> kk 24.5.93 */
edwrite(x,jj,0);
}
j=kk+1;
if (edit!=3) talleta_alku((long)j,muste_ftell(text));
if ((edit==1 || (edit==3 && !empty32)) && shad_permit)
shad_permit=shadow_write((int)kk,jj,disp_frame); /* showsh */
++jj;
}
if (!shad_permit) return(-1);
if (disp_frame)
{
strncpy(line,space,lev);
line[lev]=EOS;
line[0]='*';
edwrite(line,jj,0);
if (zs[jj]==0) {
i=shadow_create(jj);
if (i<0) return(-1);
}
for (i=0; i<lev; ++i) line[i]=' ';
line[lev]=EOS;
line[lev-1]='}';
edwrite(line,zs[jj],0);
}
return(1);
}
