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BosDevCapabilityDescriptor.c
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95 lines (85 loc) · 2.55 KB
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/*
* Copyright (C) 2013 Klaus Reimer (k@ailis.de)
* See LICENSE.md file for copying conditions
*/
#include "BosDevCapabilityDescriptor.h"
jobject wrapBosDevCapabilityDescriptor(JNIEnv *env,
const struct libusb_bos_dev_capability_descriptor *descriptor)
{
return wrapPointer(env, descriptor,
CLASS_PATH("BosDevCapabilityDescriptor"),
"/bosDevCapabilityDescriptorPointer");
}
jobjectArray wrapBosDevCapabilityDescriptors(JNIEnv *env, int count,
struct libusb_bos_dev_capability_descriptor * const *descriptors)
{
jobjectArray array = (jobjectArray) (*env)->NewObjectArray(env,
count, (*env)->FindClass(env, CLASS_PATH("BosDevCapabilityDescriptor")),
NULL);
for (int i = 0; i < count; i++)
(*env)->SetObjectArrayElement(env, array, i,
wrapBosDevCapabilityDescriptor(env, descriptors[i]));
return array;
}
struct libusb_bos_dev_capability_descriptor*
unwrapBosDevCapabilityDescriptor(JNIEnv *env, jobject descriptor)
{
return (struct libusb_bos_dev_capability_descriptor *) unwrapPointer(env,
descriptor, "bosDevCapabilityDescriptorPointer");
}
/**
* byte bLength()
*/
JNIEXPORT jbyte JNICALL METHOD_NAME(BosDevCapabilityDescriptor, bLength)
(
JNIEnv *env, jobject this
)
{
struct libusb_bos_dev_capability_descriptor* descriptor =
unwrapBosDevCapabilityDescriptor(env, this);
if (!descriptor) return 0;
return (jbyte) descriptor->bLength;
}
/**
* byte bDescriptorType()
*/
JNIEXPORT jbyte JNICALL METHOD_NAME(BosDevCapabilityDescriptor,
bDescriptorType)
(
JNIEnv *env, jobject this
)
{
struct libusb_bos_dev_capability_descriptor* descriptor =
unwrapBosDevCapabilityDescriptor(env, this);
if (!descriptor) return 0;
return (jbyte) descriptor->bDescriptorType;
}
/**
* byte bDevCapabilityType()
*/
JNIEXPORT jbyte JNICALL METHOD_NAME(BosDevCapabilityDescriptor,
bDevCapabilityType)
(
JNIEnv *env, jobject this
)
{
struct libusb_bos_dev_capability_descriptor* descriptor =
unwrapBosDevCapabilityDescriptor(env, this);
if (!descriptor) return 0;
return (jbyte) descriptor->bDevCapabilityType;
}
/**
* ByteBuffer devCapabilityData()
*/
JNIEXPORT jobject JNICALL METHOD_NAME(BosDevCapabilityDescriptor,
devCapabilityData)
(
JNIEnv *env, jobject this
)
{
struct libusb_bos_dev_capability_descriptor *descriptor =
unwrapBosDevCapabilityDescriptor(env, this);
if (!descriptor) return NULL;
return NewDirectReadOnlyByteBuffer(env, descriptor->dev_capability_data,
descriptor->bLength - 3);
}