Re: [libvirt] [PATCH 1/6] Add helper module for dealing with USB host devices

* src/Makefile.am: Add usb.h and usb.h to libvirt_util.la * src/libvirt_private.syms: Export symbols * src/usb.c, src/usb.h: Helper APIs for USB host devices --- src/Makefile.am | 1 + src/hostusb.c | 103 ++++++++++++++++++++++++++++++++++++++++++++++ src/hostusb.h | 45 ++++++++++++++++++++ src/libvirt_private.syms | 4 ++ 4 files changed, 153 insertions(+), 0 deletions(-) create mode 100644 src/hostusb.c create mode 100644 src/hostusb.h

+/* For virReportOOMError() and virReportSystemError() */ +#define VIR_FROM_THIS VIR_FROM_NONE

+usbDevice * +usbGetDevice(virConnectPtr conn, + unsigned bus, + unsigned devno) +{

+ usbDevice *dev; + + if (VIR_ALLOC(dev) < 0) { + virReportOOMError(conn); + return NULL; + } + + dev->bus = bus; + dev->dev = devno; + + snprintf(dev->name, sizeof(dev->name), "%.3o:%.3o", + dev->bus, dev->dev); + snprintf(dev->path, sizeof(dev->path), + USB_DEVFS "%03o/%03o", dev->bus, dev->dev); + + /* XXX fixme. this should be product/vendor */ + snprintf(dev->id, sizeof(dev->id), "%d %d", dev->bus, dev->dev); + + VIR_DEBUG("%s %s: initialized", dev->id, dev->name); + + return dev;