Function dev_path

src/device/device_util.c:155–244

* Warning: This function uses a static buffer. Don't call it more than once * from the same print statement! */

 * from the same print statement!
 */
const char *dev_path(const struct device *dev)
{
	static char buffer[DEVICE_PATH_MAX];

	buffer[0] = '\0';
	if (!dev) {
		strcpy(buffer, "<null>");
	} else {
		switch (dev->path.type) {
		case DEVICE_PATH_NONE:
			strcpy(buffer, "NONE");
			break;
		case DEVICE_PATH_ROOT:
			strcpy(buffer, "Root Device");
			break;
		case DEVICE_PATH_PCI:
			snprintf(buffer, sizeof(buffer),
				 "PCI: %02x:%02x:%02x.%01x",
				 dev->upstream->segment_group,
				 dev->upstream->secondary,
				 PCI_SLOT(dev->path.pci.devfn),
				 PCI_FUNC(dev->path.pci.devfn));
			break;
		case DEVICE_PATH_PNP:
			snprintf(buffer, sizeof(buffer), "PNP: %04x.%01x",
				 dev->path.pnp.port, dev->path.pnp.device);
			break;
		case DEVICE_PATH_I2C:
			snprintf(buffer, sizeof(buffer), "I2C: %02x:%02x",
				 dev->upstream->secondary,
				 dev->path.i2c.device);
			break;
		case DEVICE_PATH_APIC:
			snprintf(buffer, sizeof(buffer), "APIC: %02x",
				 dev->path.apic.apic_id);
			break;
		case DEVICE_PATH_IOAPIC:
			snprintf(buffer, sizeof(buffer), "IOAPIC: %02x",
				 dev->path.ioapic.ioapic_id);
			break;
		case DEVICE_PATH_DOMAIN:
			snprintf(buffer, sizeof(buffer), "DOMAIN: %08x",
				dev->path.domain.domain_id);
			break;
		case DEVICE_PATH_CPU_CLUSTER:
			snprintf(buffer, sizeof(buffer), "CPU_CLUSTER: %01x",
				dev->path.cpu_cluster.cluster);
			break;
		case DEVICE_PATH_CPU:
			snprintf(buffer, sizeof(buffer),
				 "CPU: %02x", dev->path.cpu.id);
			break;
		case DEVICE_PATH_CPU_BUS:
			snprintf(buffer, sizeof(buffer),
				 "CPU_BUS: %02x", dev->path.cpu_bus.id);
			break;
		case DEVICE_PATH_GENERIC:
			snprintf(buffer, sizeof(buffer),