[Spice-devel] [spice-gtk v1 2/4] FIXUP suggestion: drop the function instead
Victor Toso
victortoso at redhat.com
Tue May 21 10:53:22 UTC 2019
Hi,
On Tue, May 21, 2019 at 05:22:39AM -0400, Frediano Ziglio wrote:
> >
> > From: Victor Toso <me at victortoso.com>
> >
> > In this patch series, spice_usbutil_libusb_strerror() becomes useless
> > in favor of libusb_error_name(). Instead of making the helper function
> > to call the native one, drop the usage of the helper function
> > entirely.
> >
> > Signed-off-by: Victor Toso <victortoso at redhat.com>
>
> Are we sure we want libusb_error_name and not libusb_strerror ?
>
> I think (not tested) libusb_error_name give more a "C" version
> of the error, not a string to show to the user.
Ah, indeed.
https://github.com/libusb/libusb/blob/master/libusb/core.c#L2682
We might propose a better api to libusb instead of dropping this
function here. Weird that those errors are not i18n with _("");
That might need to be fixed (...)
> > ---
> > src/channel-usbredir.c | 2 +-
> > src/usb-device-manager.c | 8 ++++----
> > src/usbutil.c | 6 ------
> > src/usbutil.h | 1 -
> > src/win-usb-dev.c | 4 ++--
> > 5 files changed, 7 insertions(+), 14 deletions(-)
> >
> > diff --git a/src/channel-usbredir.c b/src/channel-usbredir.c
> > index 1910ff6..079a976 100644
> > --- a/src/channel-usbredir.c
> > +++ b/src/channel-usbredir.c
> > @@ -292,7 +292,7 @@ static gboolean spice_usbredir_channel_open_device(
> > if (rc != 0) {
> > g_set_error(err, SPICE_CLIENT_ERROR, SPICE_CLIENT_ERROR_FAILED,
> > "Could not open usb device: %s [%i]",
> > - spice_usbutil_libusb_strerror(rc), rc);
> > + libusb_error_name(rc), rc);
> > return FALSE;
> > }
> >
> > diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
> > index bd42142..c1df977 100644
> > --- a/src/usb-device-manager.c
> > +++ b/src/usb-device-manager.c
> > @@ -281,7 +281,7 @@ static gboolean
> > spice_usb_device_manager_initable_init(GInitable *initable,
> > /* Initialize libusb */
> > rc = libusb_init(&priv->context);
> > if (rc < 0) {
> > - const char *desc = spice_usbutil_libusb_strerror(rc);
> > + const char *desc = libusb_error_name(rc);
> > g_warning("Error initializing USB support: %s [%i]", desc, rc);
> > g_set_error(err, SPICE_CLIENT_ERROR, SPICE_CLIENT_ERROR_FAILED,
> > "Error initializing USB support: %s [%i]", desc, rc);
> > @@ -308,7 +308,7 @@ static gboolean
> > spice_usb_device_manager_initable_init(GInitable *initable,
> > LIBUSB_HOTPLUG_MATCH_ANY, LIBUSB_HOTPLUG_MATCH_ANY,
> > spice_usb_device_manager_hotplug_cb, self, &priv->hp_handle);
> > if (rc < 0) {
> > - const char *desc = spice_usbutil_libusb_strerror(rc);
> > + const char *desc = libusb_error_name(rc);
> > g_warning("Error initializing USB hotplug support: %s [%i]", desc,
> > rc);
> > g_set_error(err, SPICE_CLIENT_ERROR, SPICE_CLIENT_ERROR_FAILED,
> > "Error initializing USB hotplug support: %s [%i]", desc,
> > rc);
> > @@ -730,7 +730,7 @@ static gboolean
> > spice_usb_device_manager_get_device_descriptor(
> >
> > bus = libusb_get_bus_number(libdev);
> > addr = libusb_get_device_address(libdev);
> > - errstr = spice_usbutil_libusb_strerror(errcode);
> > + errstr = libusb_error_name(errcode);
> > g_warning("cannot get device descriptor for (%p) %d.%d -- %s(%d)",
> > libdev, bus, addr, errstr, errcode);
> > return FALSE;
> > @@ -1068,7 +1068,7 @@ static gpointer
> > spice_usb_device_manager_usb_ev_thread(gpointer user_data)
> > while (g_atomic_int_get(&priv->event_thread_run)) {
> > rc = libusb_handle_events(priv->context);
> > if (rc && rc != LIBUSB_ERROR_INTERRUPTED) {
> > - const char *desc = spice_usbutil_libusb_strerror(rc);
> > + const char *desc = libusb_error_name(rc);
> > g_warning("Error handling USB events: %s [%i]", desc, rc);
> > break;
> > }
> > diff --git a/src/usbutil.c b/src/usbutil.c
> > index 4aa6ef7..5052ef3 100644
> > --- a/src/usbutil.c
> > +++ b/src/usbutil.c
> > @@ -58,12 +58,6 @@ static GMutex usbids_load_mutex;
> > static int usbids_vendor_count = 0; /* < 0: failed, 0: empty, > 0: loaded */
> > static usb_vendor_info *usbids_vendor_info = NULL;
> >
> > -G_GNUC_INTERNAL
> > -const char *spice_usbutil_libusb_strerror(enum libusb_error error_code)
> > -{
> > - return libusb_error_name(error_code);
> > -}
> > -
> > #ifdef __linux__
> > /* <Sigh> libusb does not allow getting the manufacturer and product strings
> > without opening the device, so grab them directly from sysfs */
> > diff --git a/src/usbutil.h b/src/usbutil.h
> > index de5e92a..50e3949 100644
> > --- a/src/usbutil.h
> > +++ b/src/usbutil.h
> > @@ -28,7 +28,6 @@
> >
> > G_BEGIN_DECLS
> >
> > -const char *spice_usbutil_libusb_strerror(enum libusb_error error_code);
> > void spice_usb_util_get_device_strings(int bus, int address,
> > int vendor_id, int product_id,
> > gchar **manufacturer, gchar
> > **product);
> > diff --git a/src/win-usb-dev.c b/src/win-usb-dev.c
> > index a4dfa78..ce599b9 100644
> > --- a/src/win-usb-dev.c
> > +++ b/src/win-usb-dev.c
> > @@ -113,7 +113,7 @@ g_udev_client_list_devices(GUdevClient *self, GList
> > **devs,
> >
> > rc = libusb_get_device_list(priv->ctx, &lusb_list);
> > if (rc < 0) {
> > - const char *errstr = spice_usbutil_libusb_strerror(rc);
> > + const char *errstr = libusb_error_name(rc);
> > g_warning("%s: libusb_get_device_list failed - %s", name, errstr);
> > g_set_error(err, G_UDEV_CLIENT_ERROR, G_UDEV_CLIENT_LIBUSB_FAILED,
> > "%s: Error getting device list from libusb: %s
> > [%"G_GSSIZE_FORMAT"]",
> > @@ -170,7 +170,7 @@ g_udev_client_initable_init(GInitable *initable,
> > GCancellable *cancellable,
> >
> > rc = libusb_init(&priv->ctx);
> > if (rc < 0) {
> > - const char *errstr = spice_usbutil_libusb_strerror(rc);
> > + const char *errstr = libusb_error_name(rc);
> > g_warning("Error initializing USB support: %s [%i]", errstr, rc);
> > g_set_error(err, G_UDEV_CLIENT_ERROR, G_UDEV_CLIENT_LIBUSB_FAILED,
> > "Error initializing USB support: %s [%i]", errstr, rc);
>
> Frediano
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