Function next [src]
Call nextSize to get the length of the next variable name and check
if buffer is large enough to hold the name.
Prototype
pub fn next( self: *VariableNameIterator, ) IterateVariableNameError!?[:0]const u16 Parameters
self: *VariableNameIterator Possible Errors
Source
pub fn next(
self: *VariableNameIterator,
) IterateVariableNameError!?[:0]const u16 {
var len = self.buffer.len;
switch (self.services._getNextVariableName(
&len,
@ptrCast(self.buffer.ptr),
&self.guid,
)) {
.success => return self.buffer[0 .. len - 1 :0],
.not_found => return null,
.buffer_too_small => return error.BufferTooSmall,
.device_error => return error.DeviceError,
.unsupported => return error.Unsupported,
else => |status| return uefi.unexpectedStatus(status),
}
}