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# libsood

libsood is a Zig library providing parsing and constructing of SOOD message, a binary format used in Roon Server discovery.
libsood is available as,

- Zig module (`sood`)
- static or dynamic library (C API) (`libsood`)
- WebAssembly Module (`sood.wasm`)

## Installation

This library requires Zig toolchain v0.14.

### Zig module

Add an entry with `.url = "https://git.pocka.jp/libsood.git/archive/<GIT REF>.tar.gz"` to `dependencies` section in your `build.zig.zon`.
Or, run the below command:

```
$ zig fetch --save https://git.pocka.jp/libsood.git/archive/<GIT REF>.tar.gz
```

Then, in your `build.zig`:

```zig
fn build(b: *std.Build) void {
	// [snip]

	const sood = b.dependency("sood", .{
		.target = target,
		.optimize = optimize,
	});

	// [snip]

	libOrExe.root_module.addImport("sood", sood.module("sood"));

	// [snip]
}
```

### Static library

Clone the repository and run the below command:

```
$ zig build
```

This emits files under `zig-out/`.
A static library file will be generated at `zig-out/lib/` (filename differs by platform).

### Dynamic library

Clone the repository and run the below command:

```
$ zig build -Dlinkage=dynamic
```

This emits files under `zig-out/`.
A dynamic library file will be generated at `zig-out/lib/` (filename differs by platform).

### WebAssembly module

Clone the repository and run the below command:

```
$ zig build wasm -Doptimize=ReleaseSmall
```

This emits files under `zig-out/`.
A WebAssembly module file will be generated as `zig-out/bin/sood.wasm`.
If binary size does not matter to your use-case, set `ReleaseFast` to `-Doptimize` instead.

## Documentation

Library documentation is available as man pages.

```
$ man ./man/sood.7
```

Currently, Zig module and WebAssembly module do not have API documentation.

- `sood.7` ... General documentation.
- `sood.3` ... C API index.
- `sood_*.3` ... C API function documentation.