clang-tidy: Use nullptr

3 files changed, 11 insertions, 11 deletions

diff --git a/java_jni/jni/jau/UnixDynamicLinkerImpl_JNI.cxx b/java_jni/jni/jau/UnixDynamicLinkerImpl_JNI.cxx
index eaf3d7e..4ee1938 100644
--- a/java_jni/jni/jau/UnixDynamicLinkerImpl_JNI.cxx
+++ b/java_jni/jni/jau/UnixDynamicLinkerImpl_JNI.cxx
@@ -73,7 +73,7 @@ Java_jau_sys_dl_UnixDynamicLinkerImpl_dlopen(JNIEnv *env, jclass _unused, jstrin
     const char *_UTF8arg0 = nullptr;
     void *_res;
 #ifdef DEBUG_DLOPEN
-    DLOPEN_FPTR_TYPE dlopenFunc = NULL;
+    DLOPEN_FPTR_TYPE dlopenFunc = nullptr;
     DBG_PRINT("XXX dlopen.0\n");
 #endif
 
diff --git a/java_jni/jni/jau/WindowsDynamicLinkerImpl_JNI.cxx b/java_jni/jni/jau/WindowsDynamicLinkerImpl_JNI.cxx
index 799885a..6ddd230 100644
--- a/java_jni/jni/jau/WindowsDynamicLinkerImpl_JNI.cxx
+++ b/java_jni/jni/jau/WindowsDynamicLinkerImpl_JNI.cxx
@@ -61,18 +61,18 @@ JNIEXPORT jlong JNICALL
 Java_jau_sys_dl_WindowsDynamicLinkerImpl_GetProcAddressA(JNIEnv *env, jclass _unused, jlong hModule, jstring lpProcName) {
   (void)_unused;
 
-  const char* _strchars_lpProcName = NULL;
+  const char* _strchars_lpProcName = nullptr;
   PROC _res;
-  if (lpProcName != NULL) {
-    _strchars_lpProcName = env->GetStringUTFChars(lpProcName, (jboolean*)NULL);
-    if (_strchars_lpProcName == NULL) {
+  if (lpProcName != nullptr) {
+    _strchars_lpProcName = env->GetStringUTFChars(lpProcName, (jboolean*)nullptr);
+    if (_strchars_lpProcName == nullptr) {
       env->ThrowNew(env->FindClass("java/lang/OutOfMemoryError"),
                        "Failed to get UTF-8 chars for argument \"lpProcName\" in native dispatcher for \"GetProcAddressA\"");
       return 0;
     }
   }
   _res = GetProcAddressA((HANDLE) (intptr_t) hModule, (LPCSTR) _strchars_lpProcName);
-  if (lpProcName != NULL) {
+  if (lpProcName != nullptr) {
     env->ReleaseStringUTFChars(lpProcName, _strchars_lpProcName);
   }
   return (jlong) (intptr_t) _res;
@@ -88,11 +88,11 @@ JNIEXPORT jlong JNICALL
 Java_jau_sys_dl_WindowsDynamicLinkerImpl_LoadLibraryW(JNIEnv *env, jclass _unused, jstring lpLibFileName) {
   (void)_unused;
 
-  jchar* _strchars_lpLibFileName = NULL;
+  jchar* _strchars_lpLibFileName = nullptr;
   HANDLE _res;
-  if (lpLibFileName != NULL) {
+  if (lpLibFileName != nullptr) {
     _strchars_lpLibFileName = (jchar *) calloc(env->GetStringLength(lpLibFileName) + 1, sizeof(jchar));
-    if (_strchars_lpLibFileName == NULL) {
+    if (_strchars_lpLibFileName == nullptr) {
       env->ThrowNew(env->FindClass("java/lang/OutOfMemoryError"),
                        "Could not allocate temporary buffer for copying string argument \"lpLibFileName\" in native dispatcher for \"LoadLibraryW\"");
       return 0;
@@ -100,7 +100,7 @@ Java_jau_sys_dl_WindowsDynamicLinkerImpl_LoadLibraryW(JNIEnv *env, jclass _unuse
     env->GetStringRegion(lpLibFileName, 0, env->GetStringLength(lpLibFileName), _strchars_lpLibFileName);
   }
   _res = LoadLibraryW((LPCWSTR) _strchars_lpLibFileName);
-  if (lpLibFileName != NULL) {
+  if (lpLibFileName != nullptr) {
     free((void*) _strchars_lpLibFileName);
   }
   return (jlong) (intptr_t) _res;
diff --git a/java_jni/jni/jau/jau_io_MemUtil.cxx b/java_jni/jni/jau/jau_io_MemUtil.cxx
index 82d6d76..e5a1b83 100644
--- a/java_jni/jni/jau/jau_io_MemUtil.cxx
+++ b/java_jni/jni/jau/jau_io_MemUtil.cxx
@@ -81,7 +81,7 @@ jboolean Java_org_jau_io_MemUtil_zeroString(JNIEnv *env, jclass clazz, jstring j
             jau::jni::JNICriticalArray<uint8_t, jbyteArray> criticalArray(env); // RAII - release
             uint8_t * ptr = criticalArray.get(jstr_value, criticalArray.Mode::UPDATE_AND_RELEASE);
             DBG_PRINT("zeroString.1: value: %p, len %zu, is_copy %d", ptr, jstr_value_size, criticalArray.getIsCopy());
-            if( NULL == ptr ) {
+            if( nullptr == ptr ) {
                 ERR_PRINT("GetPrimitiveArrayCritical(address byte array) is null");
                 return JNI_FALSE;
             }