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

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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
1 changed files with 18 additions and 15 deletions
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src/add-ons/print/transports/usb_port/print_transport.cpp
+7 -4
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@@ -45,12 +45,13 @@
#include "PrintTransportAddOn.h" #include "PrintTransportAddOn.h"
class UsbPort : public BDataIO { class UsbPort : public BDataIO
{
public: public:
UsbPort(BDirectory *printer, BMessage *msg); UsbPort(BDirectory *printer, BMessage *msg);
~UsbPort(); ~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 Read(void *buffer, size_t size);
ssize_t Write(const 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 // 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); UsbPort * transport = new UsbPort(printer, msg);
if (transport->InitCheck()) if (transport->InitCheck() == B_OK)
return transport; return transport;
delete transport; delete transport;