libusb.patch

diff -r -U1 -N old/CMakeLists.txt new/CMakeLists.txt
--- old/CMakeLists.txt	1970-01-01 01:00:00.000000000 +0100
+++ new/CMakeLists.txt	2020-11-09 21:29:32.655791922 +0000
@@ -0,0 +1,20 @@
+project(usb-1.0)
+
+add_library(${PROJECT_NAME} STATIC
+  libusb/core.c
+  libusb/descriptor.c
+  libusb/hotplug.c
+  libusb/io.c
+  libusb/os/poll_windows.c
+  libusb/strerror.c
+  libusb/sync.c
+  libusb/os/threads_windows.c
+  libusb/os/windows_nt_common.c
+  libusb/os/windows_usbdk.c
+  libusb/os/windows_winusb.c
+)
+
+target_include_directories(${PROJECT_NAME}
+  PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}
+  PRIVATE libusb msvc
+)
diff -U1 -r old/libusb/io.c new/libusb/io.c
--- old/libusb/io.c	2020-11-10 10:00:03.634154870 +0000
+++ new/libusb/io.c	2020-11-10 10:10:26.220831003 +0000
@@ -2102,3 +2102,3 @@
 	struct pollfd *fds = NULL;
-	int i = -1;
+	unsigned int i = 0;
 	int timeout_ms;
@@ -2156,5 +2156,5 @@
 			struct libusb_pollfd *pollfd = &ipollfd->pollfd;
-			i++;
 			ctx->pollfds[i].fd = pollfd->fd;
 			ctx->pollfds[i].events = pollfd->events;
+			i++;
 		}
diff -U1 -r old/libusb/os/poll_windows.c new/libusb/os/poll_windows.c
--- old/libusb/os/poll_windows.c	2020-11-10 09:55:29.981467999 +0000
+++ new/libusb/os/poll_windows.c	2020-11-10 10:02:11.076339151 +0000
@@ -153,3 +153,3 @@
 {
-	int n;
+	unsigned int n;
 	usbi_mutex_static_lock(&fd_table_lock);
@@ -163,3 +163,3 @@
 {
-	int n;
+	unsigned int n;
 	struct file_descriptor *fd;