Fixed up some of the code for c_enums and c_flags. Also added examples.

This commit is contained in:
Jason Smith
2017-08-24 14:02:53 -04:00
parent 8b5d5a9c57
commit d408d4b239
4 changed files with 96 additions and 29 deletions

47
examples/enums.rs Normal file
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#[macro_use]
extern crate binding;
c_enum!
{
/// Test enum is a simple enum testing the
/// capabilities of creating a C enum.
enum TestEnum : i32
{
/// This is the first item.
variant One = 1,
/// This is the second item.
variant Two = -2,
/// This is the third item.
variant Three = 3
}
}
pub fn main()
{
let cenum: TestEnum;
cenum = TestEnum::One;
println!("Enum value is: {}", cenum);
if TestEnum::is_valid_value(-2) == true
{
match TestEnum::from_value(-2)
{
Some(variant) =>
{
println!("Enum value is: {}", variant.to_value());
}
None =>
{
panic!("Should not happen since we checked ahead of time.");
}
}
}
}

34
examples/flags.rs Normal file
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#[macro_use]
extern crate binding;
c_flags!
{
/// A sample of flags useful for the EvDev library.
flags ReadFlags: u32
{
/// Process data in sync mode.
const SYNC = 0b000000000000000000000001,
/// Process data in normal mode.
const NORMAL = 0b000000000000000000000010,
/// Pretend the next event is a SYN_DROPPED and require
/// the caller to sync.
const FORCE_SYNC = 0b000000000000000000000100,
/// The fd is not in O_NONBLOCK and a read may block.
const BLOCKING = 0b000000000000000000001000
}
}
pub fn main()
{
let flag: ReadFlags;
flag = SYNC | NORMAL;
println!("Flag: {:#010b}", flag.get_bits());
println!("Flag: {}", flag);
}