/*
* pop a block handling special variables
*/
void
popblock()
{
register struct block *l = e.loc;
register struct tbl *vp, **vpp = l->vars.tbls;
register int i;
e.loc = l->next; /* pop block */
for (i = l->vars.size; --i >= 0; )
if ((vp = *vpp++) != NULL && (vp->flag&SPECIAL))
setspec(global(vp->name));
afreeall(&l->area);
}
/* convert variable vq to integer variable, setting its value to num */
void
setint_n(struct tbl *vq, mksh_ari_t num, int newbase)
{
if (!(vq->flag & INTEGER) && (vq->flag & ALLOC)) {
vq->flag &= ~ALLOC;
vq->type = 0;
afree(vq->val.s, vq->areap);
}
vq->val.i = num;
if (newbase != 0)
vq->type = newbase;
vq->flag |= ISSET|INTEGER;
if (vq->flag&SPECIAL)
setspec(vq);
}
/* set variable to string value */
int
setstr(struct tbl *vq, const char *s, int error_ok)
{
char *salloc = NULL;
bool no_ro_check = tobool(error_ok & 0x4);
error_ok &= ~0x4;
if ((vq->flag & RDONLY) && !no_ro_check) {
warningf(true, "read-only: %s", vq->name);
if (!error_ok)
errorfxz(2);
return (0);
}
if (!(vq->flag&INTEGER)) {
/* string dest */
if ((vq->flag&ALLOC)) {
#ifndef MKSH_SMALL
/* debugging */
if (s >= vq->val.s &&
s <= vq->val.s + strlen(vq->val.s)) {
internal_errorf(
"setstr: %s=%s: assigning to self",
vq->name, s);
}
#endif
afree(vq->val.s, vq->areap);
}
vq->flag &= ~(ISSET|ALLOC);
vq->type = 0;
if (s && (vq->flag & (UCASEV_AL|LCASEV|LJUST|RJUST)))
s = salloc = formatstr(vq, s);
if ((vq->flag&EXPORT))
exportprep(vq, s);
else {
strdupx(vq->val.s, s, vq->areap);
vq->flag |= ALLOC;
}
} else {
/* integer dest */
if (!v_evaluate(vq, s, error_ok, true))
return (0);
}
vq->flag |= ISSET;
if ((vq->flag&SPECIAL))
setspec(vq);
afree(salloc, ATEMP);
return (1);
}
/* set variable to integer */
void
setint(struct tbl *vq, mksh_ari_t n)
{
if (!(vq->flag&INTEGER)) {
vtemp->flag = (ISSET|INTEGER);
vtemp->type = 0;
vtemp->areap = ATEMP;
vtemp->val.i = n;
/* setstr can't fail here */
setstr(vq, str_val(vtemp), KSH_RETURN_ERROR);
} else
vq->val.i = n;
vq->flag |= ISSET;
if ((vq->flag&SPECIAL))
setspec(vq);
}
/*
* pop a block handling special variables
*/
void
popblock()
{
register struct block *l = e->loc;
register struct tbl *vp, **vpp = l->vars.tbls, *vq;
register int i;
e->loc = l->next; /* pop block */
for (i = l->vars.size; --i >= 0; )
if ((vp = *vpp++) != NULL && (vp->flag&SPECIAL))
if ((vq = global(vp->name))->flag & ISSET)
setspec(vq);
else
unsetspec(vq);
if (l->flags & BF_DOGETOPTS)
user_opt = l->getopts_state;
afreeall(&l->area);
afree(l, ATEMP);
}
/*
* pop a block handling special variables
*/
void
popblock(void)
{
ssize_t i;
struct block *l = e->loc;
struct tbl *vp, **vpp = l->vars.tbls, *vq;
/* pop block */
e->loc = l->next;
i = 1 << (l->vars.tshift);
while (--i >= 0)
if ((vp = *vpp++) != NULL && (vp->flag&SPECIAL)) {
if ((vq = global(vp->name))->flag & ISSET)
setspec(vq);
else
unsetspec(vq);
}
if (l->flags & BF_DOGETOPTS)
user_opt = l->getopts_state;
afreeall(&l->area);
afree(l, ATEMP);
}