+ params->nb_wc = 0;
+
+ if (value == NULL)
+ return -1;
+ /* Remove all blank characters ahead and after .
+ * Remove 0x/0X if exists.
+ */
+ while (isblank(*value))
+ value++;
+ if (value[0] == '0' && ((value[1] == 'x') || (value[1] == 'X')))
+ value += 2;
+ i = strlen(value);
+ while ((i > 0) && isblank(value[i - 1]))
+ i--;
+
+ if (i == 0)
+ return -1;
+
+ for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
+ c = value[i];
+ if (isxdigit(c) == 0) {
+ /* invalid characters */
+ return -1;
+ }
+ if (isdigit(c))
+ val = c - '0';
+ else if (isupper(c))
+ val = c - 'A' + 10;
+ else
+ val = c - 'a' + 10;
+
+ for (j = 0; j < 4 && idx < RTE_MAX_LCORE; j++, idx++) {
+ if ((1 << j) & val)
+ params->wc_pool[params->nb_wc++] = idx;
+ }
+ }