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Update usb.c to address Bug 1886 ("sr: usb: Failed to get libusb file descriptors.") on Windows #235

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Update usb.c to address Bug 1886 ("sr: usb: Failed to get libusb file descriptors.") on Windows #235

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11 changes: 9 additions & 2 deletions src/usb.c
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Original file line number Diff line number Diff line change
Expand Up @@ -262,10 +262,15 @@ static GSource *usb_source_new(struct sr_session *session,
const struct libusb_pollfd **upollfds, **upfd;

upollfds = libusb_get_pollfds(usb_ctx);

/* There are no filehandles in Windows */
#if !defined(__MINGW32__)
if (!upollfds) {
sr_err("Failed to get libusb file descriptors.");
return NULL;
}
#endif

source = g_source_new(&usb_source_funcs, sizeof(struct usb_source));
usource = (struct usb_source *)source;

Expand All @@ -281,7 +286,9 @@ static GSource *usb_source_new(struct sr_session *session,
usource->session = session;
usource->usb_ctx = usb_ctx;
usource->pollfds = g_ptr_array_new_full(8, &usb_source_free_pollfd);


/* There are no filehandles in Windows */
#if !defined(__MINGW32__)
for (upfd = upollfds; *upfd != NULL; upfd++)
usb_pollfd_added((*upfd)->fd, (*upfd)->events, usource);

Expand All @@ -292,7 +299,7 @@ static GSource *usb_source_new(struct sr_session *session,
#endif
libusb_set_pollfd_notifiers(usb_ctx,
&usb_pollfd_added, &usb_pollfd_removed, usource);

#endif
return source;
}

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