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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Private Function

processExecutablePath

Doc Source

Private Function

std.Io.Dispatch.processExecutablePath

fn processExecutablePath(userdata: ?*anyopaque, out_buffer: []u8) process.ExecutablePathError!usize

Params

userdata: ?*anyopaque
out_buffer: []u8

File

Io/Dispatch.zig:3955

fn processExecutablePath(userdata: ?*anyopaque, out_buffer: []u8) process.ExecutablePathError!usize {
    const ev: *Evented = @ptrCast(@alignCast(userdata));
    // _NSGetExecutablePath() returns a path that might be a symlink to
    // the executable.
    var symlink_path_buf: [c.PATH_MAX + 1]u8 = undefined;
    var n: u32 = symlink_path_buf.len;
    const rc = c._NSGetExecutablePath(&symlink_path_buf, &n);
    if (rc != 0) return error.NameTooLong;
    const symlink_path = std.mem.sliceTo(&symlink_path_buf, 0);
    assert(Dir.path.isAbsolute(symlink_path));
    return dirRealPathFile(ev, .cwd(), symlink_path, out_buffer) catch |err| switch (err) {
        error.NetworkNotFound => unreachable, // Windows-only
        error.FileBusy => unreachable, // Windows-only
        else => |e| return e,
    };
}