1 // Copyright 2022 Google LLC. All rights reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the License);
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "jni_NativeApi.h"
16 #include <string.h>
17
Java_jni_NativeApi_hello(JNIEnv * env,jclass clazz,jstring name)18 JNIEXPORT jstring JNICALL Java_jni_NativeApi_hello
19 (JNIEnv *env, jclass clazz, jstring name) {
20 const char* str = env->GetStringUTFChars(name, 0);
21 char cap[128]; // simplified since this is demo code
22 strcpy(cap, "Hello, ");
23 strncpy(cap + 7, str, 120);
24 env->ReleaseStringUTFChars(name, str);
25 return env->NewStringUTF(cap);
26 }
27