Patch applied.
See http://libusb-win32.cvs.sourceforge.net/libusb-win32/libusb/src/install.c?revision=1.22&view=markup
Stephan
> Although libusb-win32 is not expected to operate on Windows NT 4 due to
> lack of OS support for USB, it would be helpful if applications linked
> against it could still run on NT, albeit without using USB.
>
> The only thing standing in the way of this currently is the use of
> SetupCopyOEMInf() in usb_install_driver_np(). The NT4 SP6a version of
> setupapi.dll does not have this entrypoint so a runtime link error is
> generated when attempting to launch a program linked against
> libusb-win32.
>
> I've devised the patch below following the same logic as was already in
> place for UpdateDriverForPlugAndPlayDevices() from newdev.dll. There is
> a slight variation in that we still link against setupapi at compile
> time to obtain the other 20 or so symbols we use from it since those are
> available on all platforms it seems. (I'd be willing to respin the patch
> to look up all setupapi.dll symbols, but that seemed like a more
> invasive change than necessary.) GetModuleHandle() is used to obtain a
> handle to the already-loaded setupapi.dll and we look up only the
> offending SetupCopyOEMInf() symbol from it.
>
> With this change in place, my application (apcupsd, FWIW) rus
> successfully in non-USB mode on NT4, and libusb self-installation
> continues to work on XP.
>
> --Adam
>
>
> diff -u -r1.21 install.c
> --- src/install.c 11 Dec 2005 13:10:50 -0000 1.21
> +++ src/install.c 16 Aug 2006 12:11:32 -0000
> @@ -48,6 +48,8 @@
> LPCSTR,
> DWORD,
> PBOOL);
> +typedef BOOL (WINAPI * setup_copy_oem_inf_t)(PCSTR, PCSTR, DWORD, DWORD,
> + PSTR, DWORD, PDWORD, PSTR*);
>
> /* advapi32.dll exports */
> typedef SC_HANDLE (WINAPI * open_sc_manager_t)(LPCTSTR, LPCTSTR, DWORD);
> @@ -214,9 +216,11 @@
> char *p;
> int dev_index;
> HINSTANCE newdev_dll = NULL;
> -
> - update_driver_for_plug_and_play_devices_t UpdateDriverForPlugAndPlayDevices;
> + HMODULE setupapi_dll = NULL;
>
> + update_driver_for_plug_and_play_devices_t UpdateDriverForPlugAndPlayDevices;
> + setup_copy_oem_inf_t SetupCopyOEMInf;
> +
> newdev_dll = LoadLibrary("newdev.dll");
>
> if(!newdev_dll)
> @@ -235,6 +239,22 @@
> return -1;
> }
>
> + setupapi_dll = GetModuleHandle("setupapi.dll");
> + if(!setupapi_dll)
> + {
> + usb_error("usb_install_driver(): loading setupapi.dll failed\n");
> + return -1;
> + }
> + SetupCopyOEMInf =
> + (setup_copy_oem_inf_t)
> + GetProcAddress(setupapi_dll, "SetupCopyOEMInfA");
> +
> + if(!SetupCopyOEMInf)
> + {
> + usb_error("usb_install_driver(): loading setupapi.dll failed\n");
> + return -1;
> + }
> +
>
> dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
>
>
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