/*
 * DF-4666 PATCHED twin — identical harness with the fix.diff guard
 * (empty table returns the caller's vddci instead of entries[0xFFFFFFFF]).
 */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

#define PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES 32

struct pp_atomctrl_voltage_table_entry {
	uint16_t value;
	uint32_t smio_low;
};

struct pp_atomctrl_voltage_table {
	uint32_t count;
	uint32_t mask_low;
	uint32_t phase_delay;
	struct pp_atomctrl_voltage_table_entry entries[PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES];
};

/* PATCHED per fix.diff */
uint16_t phm_find_closest_vddci_fixed(struct pp_atomctrl_voltage_table *vddci_table, uint16_t vddci)
{
	uint32_t  i;

	if (vddci_table == NULL || vddci_table->count == 0 ||
	    vddci_table->count > PP_ATOMCTRL_MAX_VOLTAGE_ENTRIES)
		return vddci;

	for (i = 0; i < vddci_table->count; i++) {
		if (vddci_table->entries[i].value >= vddci)
			return vddci_table->entries[i].value;
	}

	printf("vddci is larger than max value in vddci_table\n");
	return vddci_table->entries[i-1].value;
}

int main(void)
{
	struct pp_atomctrl_voltage_table *t = calloc(1, sizeof(*t));
	uint16_t r;

	t->count = 0;
	r = phm_find_closest_vddci_fixed(t, 1000);
	printf("[patched] count=0 -> returned %u (caller's request), NO wild access\n", r);

	t->count = 4;
	for (uint32_t k = 0; k < 4; k++)
		t->entries[k].value = (uint16_t)(800 + 10 * k);
	r = phm_find_closest_vddci_fixed(t, 9999);
	printf("[patched] count=4 -> returned %u (normal path intact)\n", r);
	printf("FIX VALIDATED: empty table no longer indexes entries[0xFFFFFFFF]\n");
	return 0;
}