tree 698602c66b641c29c93d512243722a5b7dfb705d
parent 6289f5a2e9097d3c0e04e0617cdece5fd5119d61
author Akshit Shah <shahakshit@google.com> 1692828868 +0000
committer Andrew Jeffery <andrew@aj.id.au> 1695861571 +0000

dbus-sensors: utils: Utility to get device bus & addr from dev name.

This is applicable to all the services which rely on "bus-addr" fmt.
1. FanSensor
2. HwmonTempSensor
3. IntelCPUSensor
4. PSUSensor

In addition this would also fix Fansensor Daemon crashes due to
stoi() exceptions weren't caught earlier.

For example: In a FanSensor Daemon -
Device of f0103000.pwm-fan-controller would be classified as i2cfan
based on new way of defining fan type.
Hence when we parse string for bus-addr, bus=f0103000.pwm and
addr=fan-controller for which stoi() would crash.
This would be true for all non I2c devices defaulting to I2cFan type.

Solution is to use 'std::from_chars' which handles under/overflow
properly. Centralizing this now in Utils would also allow us to manage
this appropriatelty across various services.

Tested:
Tested sanity of all daemons in the system and they work as expected.

Change-Id: I546e967abae7c0fb9fca645867e3037046037647
Signed-off-by: Akshit Shah <shahakshit@google.com>