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hidapi: update hid_write() for windows from mainstream.

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Returns bytes_written if WriteFile returns synchronously
Relevant mainstream discussions:
	https://github.com/libusb/hidapi/pull/697
	https://github.com/libusb/hidapi/issues/695
This commit is contained in:
Ozkan Sezer
2024-09-29 17:56:40 +03:00
committed by Sam Lantinga
parent 3eab599977
commit 13c5d1092f
1 changed files with 4 additions and 1 deletions
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5
src/hidapi/windows/hid.c
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@@ -1282,7 +1282,7 @@ int HID_API_EXPORT HID_API_CALL hid_write(hid_device *dev, const unsigned char *
length = dev->output_report_length;
}
res = WriteFile(dev->device_handle, buf, (DWORD) length, NULL, &dev->write_ol);
res = WriteFile(dev->device_handle, buf, (DWORD) length, &bytes_written, &dev->write_ol);
if (!res) {
if (GetLastError() != ERROR_IO_PENDING) {
@@ -1291,6 +1291,9 @@ int HID_API_EXPORT HID_API_CALL hid_write(hid_device *dev, const unsigned char *
goto end_of_function;
}
overlapped = TRUE;
} else {
/* WriteFile() succeeded synchronously. */
function_result = bytes_written;
}
if (overlapped) {