Follow the *actual* InitCheck() semantics, on Alan Westbrook suggestion.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8538 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Philippe Houdoin
2004-08-05 15:04:33 +00:00
parent 1d90c31ea2
commit 39a650c883
@@ -45,12 +45,13 @@
#include "PrintTransportAddOn.h"
class UsbPort : public BDataIO {
class UsbPort : public BDataIO
{
public:
UsbPort(BDirectory *printer, BMessage *msg);
~UsbPort();
bool InitCheck() { return fFile > -1; }
status_t InitCheck() { return fFile > -1 ? B_OK : B_ERROR; };
ssize_t Read(void *buffer, size_t size);
ssize_t Write(const void *buffer, size_t size);
@@ -62,9 +63,11 @@ class UsbPort : public BDataIO {
// Implementation of transport add-on interface
BDataIO* instanciate_transport(BDirectory* printer, BMessage* msg) {
BDataIO *
instanciate_transport(BDirectory *printer, BMessage *msg)
{
UsbPort * transport = new UsbPort(printer, msg);
if (transport->InitCheck())
if (transport->InitCheck() == B_OK)
return transport;
delete transport;