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(function() {
var major = 80;
var device = FS.makedev(major++, 0);
var device_ops = {
open: function(stream) {
stream.payload = [65, 66, 67, 68];
},
read: function(stream, buffer, offset, length, pos) {
var bytesRead = 0;
for (var i = 0; i < length; i++) {
if (stream.payload.length) {
bytesRead++;
buffer[offset+i] = stream.payload.shift();
} else {
break;
}
}
return bytesRead;
},
write: function(stream, buffer, offset, length, pos) {
for (var i = 0; i < length; i++) {
Module.print("TO DEVICE: " + buffer[offset+i]);
}
return i;
}
};
FS.registerDevice(device, device_ops);
FS.mkdev('/device', 0666, device);
var broken_device = FS.makedev(major++, 0);
var broken_device_ops = {
read: function(stream, buffer, offset, length, pos) {
throw new FS.ErrnoError(ERRNO_CODES.EIO);
},
write: function(stream, buffer, offset, length, pos) {
throw new FS.ErrnoError(ERRNO_CODES.EIO);
}
};
FS.registerDevice(broken_device, broken_device_ops);
FS.mkdev('/broken-device', 0666, broken_device);
// NB: These are meant to test FS.createDevice specifically,
// and as such do not use registerDevice/mkdev
FS.createDevice('/', 'createDevice-read-only', function() {});
FS.createDevice('/', 'createDevice-write-only', null, function() {});
FS.createDataFile('/', 'file', '1234567890', true, true);
FS.createFolder('/', 'folder', true, true);
})();
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