emsg = "unrecognized history modifier";
elen = 29;
break;
+ case NO_PREV_SUBST:
+ emsg = "no previous substitution";
+ elen = 24;
+ break;
default:
emsg = "unknown expansion error";
elen = 23;
}
}
- /* If there is no lhs, the substitution can't succeed. */
- if (subst_lhs_len == 0)
- {
- *ret_string = hist_error (string, starting_index, i, SUBST_FAILED);
- free (result);
- free (temp);
- return -1;
- }
-
FREE (subst_rhs);
subst_rhs = get_subst_pattern (string, &i, delimiter, 1, &subst_rhs_len);
else
i += 2;
+ /* If there is no lhs, the substitution can't succeed. */
+ if (subst_lhs_len == 0)
+ {
+ *ret_string = hist_error (string, starting_index, i, NO_PREV_SUBST);
+ free (result);
+ free (temp);
+ return -1;
+ }
+
l_temp = strlen (temp);
/* Ignore impossible cases. */
if (subst_lhs_len > l_temp)