static char sccsid
[] = "@(#)var.c 3.6 %G%";
/* do this first, easier to recover */
if (val
.v_type
== V_STR
&& (val
.v_str
= str_cpy(val
.v_str
)) == 0)
if (*(p
= var_lookup1(head
, name
)) == 0) {
r
= (struct var
*) malloc(sizeof (struct var
));
if ((r
->r_name
= str_cpy(name
)) == 0) {
r
->r_left
= r
->r_right
= 0;
var_setstr1(head
, name
, str
)
return var_set1(head
, name
, &v
);
var_setnum1(head
, name
, num
)
return var_set1(head
, name
, &v
);
if (*(p
= var_lookup1(head
, name
)) == 0)
if ((cmp
= strcmp(name
, (*p
)->r_name
)) < 0)
if (var_walk1(r
->r_left
, func
, a
) < 0 || (*func
)(a
, r
) < 0
|| var_walk1(r
->r_right
, func
, a
) < 0)