diff --git a/test/hotspot/jtreg/serviceability/jvmti/AddModuleUsesAndProvides/libAddModuleUsesAndProvidesTest.c b/test/hotspot/jtreg/serviceability/jvmti/AddModuleUsesAndProvides/libAddModuleUsesAndProvidesTest.c
index 86f9993c703..a979d1f913e 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/AddModuleUsesAndProvides/libAddModuleUsesAndProvidesTest.c
+++ b/test/hotspot/jtreg/serviceability/jvmti/AddModuleUsesAndProvides/libAddModuleUsesAndProvidesTest.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -200,7 +200,7 @@ Java_MyPackage_AddModuleUsesAndProvidesTest_checkUses(JNIEnv *env,
throw_exc(env, "Check #UC3: service can not be used unexpectedly");
return FAILED;
}
- fflush(0);
+ fflush(NULL);
return PASSED;
}
@@ -275,7 +275,7 @@ Java_MyPackage_AddModuleUsesAndProvidesTest_checkProvides(JNIEnv *env,
throw_exc(env, "Check #PC2: error in add provides to baseModule with correct service and serviceImpl");
return FAILED;
}
- fflush(0);
+ fflush(NULL);
return PASSED;
}
diff --git a/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents1.cpp b/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents1.cpp
index fa60c07f8db..0f040175bf9 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents1.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents1.cpp
@@ -71,7 +71,7 @@ CompiledMethodLoad(jvmtiEnv* jvmti, jmethodID method,
check_jvmti_status(env, err, "CompiledMethodLoad: Error in JVMTI GetMethodName");
printf("%s: CompiledMethodLoad: %s%s\n", AGENT_NAME, name, sign);
- fflush(0);
+ fflush(nullptr);
}
JNIEXPORT jint JNICALL
diff --git a/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents2.cpp b/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents2.cpp
index 7af061196a1..d582a964892 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents2.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/GenerateEvents/libGenerateEvents2.cpp
@@ -71,7 +71,7 @@ CompiledMethodLoad(jvmtiEnv* jvmti, jmethodID method,
check_jvmti_status(env, err, "CompiledMethodLoad: Error in JVMTI GetMethodName");
printf("%s: CompiledMethodLoad: %s%s\n", AGENT_NAME, name, sign);
- fflush(0);
+ fflush(nullptr);
}
JNIEXPORT jint JNICALL
@@ -132,7 +132,7 @@ Java_MyPackage_GenerateEventsTest_agent2FailStatus(JNIEnv *env, jclass cls) {
printf("check2: Unexpected non-zero event count in agent2: %d\n", agent2_event_count);
}
printf("\n");
- fflush(0);
+ fflush(nullptr);
return fail_status;
}
diff --git a/test/hotspot/jtreg/serviceability/jvmti/GetClassFields/FilteredFields/libFilteredFieldsTest.cpp b/test/hotspot/jtreg/serviceability/jvmti/GetClassFields/FilteredFields/libFilteredFieldsTest.cpp
index 28bfaaa03bd..fbefb1219e6 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/GetClassFields/FilteredFields/libFilteredFieldsTest.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/GetClassFields/FilteredFields/libFilteredFieldsTest.cpp
@@ -35,7 +35,7 @@ jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
jint res = jvm->GetEnv((void **)&jvmti, JVMTI_VERSION_1_1);
if (res != JNI_OK || jvmti == nullptr) {
printf("Wrong result of a valid call to GetEnv!\n");
- fflush(0);
+ fflush(nullptr);
return JNI_ERR;
}
return JNI_OK;
@@ -72,7 +72,7 @@ Java_FilteredFieldsTest_getJVMTIFieldCount(JNIEnv *env, jclass cls, jclass clazz
printf(" [%d]: %s\n", i, name);
jvmti->Deallocate((unsigned char *)name);
}
- fflush(0);
+ fflush(nullptr);
return fcount;
}
diff --git a/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/MissedStackMapFrames/libMissedStackMapFrames.cpp b/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/MissedStackMapFrames/libMissedStackMapFrames.cpp
index 5cebf608c34..066794d1d60 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/MissedStackMapFrames/libMissedStackMapFrames.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/MissedStackMapFrames/libMissedStackMapFrames.cpp
@@ -31,7 +31,7 @@ static void _log(const char* format, ...) {
va_start(args, format);
vprintf(format, args);
va_end(args);
- fflush(0);
+ fflush(nullptr);
}
static jvmtiEnv* jvmti = nullptr;
diff --git a/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/RedefineRetransform/libRedefineRetransform.cpp b/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/RedefineRetransform/libRedefineRetransform.cpp
index 518e147c942..450b0f35918 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/RedefineRetransform/libRedefineRetransform.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/RedefineClasses/RedefineRetransform/libRedefineRetransform.cpp
@@ -36,7 +36,7 @@ static void _log(const char* format, ...) {
va_start(args, format);
vprintf(format, args);
va_end(args);
- fflush(0);
+ fflush(nullptr);
}
static bool isTestClass(const char* name) {
diff --git a/test/hotspot/jtreg/serviceability/jvmti/events/FramePop/framepop02/libframepop02.cpp b/test/hotspot/jtreg/serviceability/jvmti/events/FramePop/framepop02/libframepop02.cpp
index 61c9a91184b..93df7f98277 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/events/FramePop/framepop02/libframepop02.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/events/FramePop/framepop02/libframepop02.cpp
@@ -194,7 +194,7 @@ void JNICALL MethodEntry(jvmtiEnv *jvmti, JNIEnv *jni,
{
if (printdump == JNI_TRUE) {
print_current_time();
- fflush(0);
+ fflush(nullptr);
LOG(">>> %sMethod entry\n>>>", (isNative == JNI_TRUE) ? "Native " : "");
printInfo(jni, jvmti, thr, method, frameCount);
}
@@ -231,7 +231,7 @@ void JNICALL FramePop(jvmtiEnv *jvmti, JNIEnv *jni,
{
if (printdump == JNI_TRUE) {
print_current_time();
- fflush(0);
+ fflush(nullptr);
LOG(" >>> Frame Pop\n>>>");
printInfo(jni, jvmti, thr, method, frameCount);
}
diff --git a/test/hotspot/jtreg/serviceability/jvmti/thread/GetStackTrace/get_stack_trace.hpp b/test/hotspot/jtreg/serviceability/jvmti/thread/GetStackTrace/get_stack_trace.hpp
index d7c85704275..b8828b0e80f 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/thread/GetStackTrace/get_stack_trace.hpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/thread/GetStackTrace/get_stack_trace.hpp
@@ -70,7 +70,7 @@ int compare_stack_trace(jvmtiEnv *jvmti, JNIEnv *jni, jthread thread,
int exp_idx = expected_frames_length - 1 - i;
printf("expected idx %d\n", exp_idx);
- fflush(0);
+ fflush(nullptr);
if (i < expected_frames_length) {
// for generated classes don't compare lambda indicies
diff --git a/test/hotspot/jtreg/serviceability/jvmti/vthread/SuspendResume1/libSuspendResume1.cpp b/test/hotspot/jtreg/serviceability/jvmti/vthread/SuspendResume1/libSuspendResume1.cpp
index f05e619e0bd..93ad399b121 100644
--- a/test/hotspot/jtreg/serviceability/jvmti/vthread/SuspendResume1/libSuspendResume1.cpp
+++ b/test/hotspot/jtreg/serviceability/jvmti/vthread/SuspendResume1/libSuspendResume1.cpp
@@ -138,7 +138,7 @@ check_suspended_state(JNIEnv* jni, jthread thread, int thr_idx, char* tname, con
LOG("## Agent: %s: virtual thread of carrier thread has state: %s (%d)\n",
func_name, TranslateState(state), (int)state);
- fflush(0);
+ fflush(nullptr);
}
set_agent_fail_status();
fatal(jni, "check_resumed_state: expected SUSPENDED flag in thread state");
@@ -169,7 +169,7 @@ check_resumed_state(JNIEnv* jni, jthread thread, int thr_idx, char* tname, const
LOG("## Agent: %s: virtual thread of carrier thread has state: %s (%d)\n",
func_name, TranslateState(state), (int)state);
- fflush(0);
+ fflush(nullptr);
}
set_agent_fail_status();
fatal(jni, "check_resumed_state: NOT expected SUSPENDED flag in thread state");
@@ -210,7 +210,7 @@ test_thread_resume(JNIEnv* jni, jthread thread, int thr_idx, char* tname) {
LOG("## Agent: test_thread_resume: virtual thread of carrier thread has state: %s (%d)\n",
TranslateState(state), (int)state);
- fflush(0);
+ fflush(nullptr);
}
check_jvmti_status(jni, err, "test_thread_resume: error in JVMTI ResumeThread");
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetClassFields/getclfld007/getclfld007.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetClassFields/getclfld007/getclfld007.cpp
index 3cd33384330..89a62346ca9 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetClassFields/getclfld007/getclfld007.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetClassFields/getclfld007/getclfld007.cpp
@@ -86,7 +86,7 @@ Java_nsk_jvmti_GetClassFields_getclfld007_check(JNIEnv *env, jclass cls, jclass
if (jvmti == nullptr) {
printf("JVMTI client was not properly loaded!\n");
- fflush(0);
+ fflush(nullptr);
result = STATUS_FAILED;
return;
}
@@ -98,7 +98,7 @@ Java_nsk_jvmti_GetClassFields_getclfld007_check(JNIEnv *env, jclass cls, jclass
if (err != JVMTI_ERROR_NONE) {
printf("GetClassFields unexpected error: %s (%d)\n",
TranslateError(err), err);
- fflush(0);
+ fflush(nullptr);
result = STATUS_FAILED;
return;
}
@@ -132,7 +132,7 @@ Java_nsk_jvmti_GetClassFields_getclfld007_check(JNIEnv *env, jclass cls, jclass
jvmti->Deallocate((unsigned char *)name);
jvmti->Deallocate((unsigned char *)sig);
}
- fflush(0);
+ fflush(nullptr);
}
JNIEXPORT int JNICALL
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref001/followref001.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref001/followref001.cpp
index ff431aa2203..b33128b4916 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref001/followref001.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref001/followref001.cpp
@@ -137,14 +137,14 @@ static bool initObjectDescList(jvmtiEnv* jvmti,
*objectsCount = 1 + 2 * chainLength;
printf("Allocate memory for objects list: %d objects\n", *objectsCount);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JVMTI_VERIFY(jvmti->Allocate((*objectsCount * sizeof(ObjectDesc)),
(unsigned char**) objectDescList))) {
nsk_jvmti_setFailStatus();
return false;
}
printf(" ... allocated array: 0x%p\n", (void*)objectDescList);
- fflush(0);
+ fflush(nullptr);
{
int k;
@@ -179,7 +179,7 @@ static bool getAndTagClasses(jvmtiEnv* jvmti,
}
printf("\nFound debugee class: 0x%p\n %s\n",
(void*) *debugeeClass, DEBUGEE_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*rootObjectClass =
jni->FindClass(ROOT_OBJECT_CLASS_NAME)) != nullptr)) {
@@ -194,7 +194,7 @@ static bool getAndTagClasses(jvmtiEnv* jvmti,
printf("\nFound root object class: 0x%p, tag=%ld\n %s\n",
(void*) *rootObjectClass,(long) ROOT_CLASS_TAG,
ROOT_OBJECT_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*chainObjectClass =
@@ -209,7 +209,7 @@ static bool getAndTagClasses(jvmtiEnv* jvmti,
printf("\nFound chain object class: 0x%p, tag=%ld\n %s\n",
(void*) *chainObjectClass, (long) CHAIN_CLASS_TAG,
CHAIN_OBJECT_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
return true;
} /* getAndTagClasses */
@@ -234,7 +234,7 @@ static bool getFieldsAndObjects(jvmtiEnv* jvmti,
}
printf("\nFound fieldID: 0x%p - \'%s\' static field in debugee class\n",
(void*) rootObjectField, OBJECT_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*reachableChainField =
jni->GetFieldID(rootObjectClass, REACHABLE_CHAIN_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
@@ -243,7 +243,7 @@ static bool getFieldsAndObjects(jvmtiEnv* jvmti,
}
printf("\nFound fieldID: 0x%p - \'%s\' field in root object class\n",
(void*) reachableChainField, REACHABLE_CHAIN_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*unreachableChainField =
jni->GetFieldID(rootObjectClass, UNREACHABLE_CHAIN_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
@@ -253,7 +253,7 @@ static bool getFieldsAndObjects(jvmtiEnv* jvmti,
printf("\nFound fieldID: 0x%p - \'%s\' field in root object class\n",
(void*) unreachableChainField, UNREACHABLE_CHAIN_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*nextField =
jni->GetFieldID(chainObjectClass, NEXT_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
@@ -262,7 +262,7 @@ static bool getFieldsAndObjects(jvmtiEnv* jvmti,
}
printf("\nFound fieldID: 0x%p - \'%s\' field in chain object class\n",
(void*) nextField, NEXT_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*rootObjectPtr =
jni->GetStaticObjectField(debugeeClass, rootObjectField)) != nullptr)) {
@@ -270,14 +270,14 @@ static bool getFieldsAndObjects(jvmtiEnv* jvmti,
return false;
}
printf("\nFound root object: 0x%p\n", (void*) *rootObjectPtr);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*rootObjectPtr = jni->NewGlobalRef(*rootObjectPtr)) != nullptr)) {
nsk_jvmti_setFailStatus();
return false;
}
printf("Created root object global ref: 0x%p\n", (void*)*rootObjectPtr);
- fflush(0);
+ fflush(nullptr);
return true;
} /* getFieldsAndObjects */
@@ -318,7 +318,7 @@ static bool getAndTagChainObjects(
nsk_jvmti_setFailStatus();
}
printf(" tag=%-5ld object=0x%p\n", (long)objTag, (void*)nextObj);
- fflush(0);
+ fflush(nullptr);
/* To continue traversing objects in the chain */
if (!getAndTagChainObjects(jvmti,
@@ -394,7 +394,7 @@ static int getAndTagTestedObjects(
(long) ROOT_OBJECT_TAG, (void*) *rootObjectPtr);
printf(" reachable objects chain: %d objects\n", chainLength);
- fflush(0);
+ fflush(nullptr);
if (!getAndTagChainObjects(jvmti,
jni,
@@ -453,7 +453,7 @@ static bool checkTestedObjects(jvmtiEnv* jvmti,
}
printf("\nReachable objects:\n");
- fflush(0);
+ fflush(nullptr);
for (i = 0; i < chainLength; i++) {
idx = i + 1;
printf("Reachable object:\n"
@@ -488,7 +488,7 @@ static bool checkTestedObjects(jvmtiEnv* jvmti,
NSK_COMPLAIN0("Unreachable object was iterated\n");
nsk_jvmti_setFailStatus();
}
- fflush(0);
+ fflush(nullptr);
}
return true;
@@ -514,7 +514,7 @@ static void releaseTestedObjects(jvmtiEnv* jvmti,
}
}
- fflush(0);
+ fflush(nullptr);
} /* releaseTestedObjects */
@@ -542,7 +542,7 @@ jint JNICALL heapReferenceCallback(
/* ss45998: class_tag=>referrence_class_tag */
printf(" size: %" LL "d, tag_ptr: 0x%p, referrer_tag_ptr: 0x%p, length: %-d\n",
size, tag_ptr, referrer_tag_ptr, length);
- fflush(0);
+ fflush(nullptr);
if (((uintptr_t) tag_ptr & FULL_32_BIT_MASK) == FULL_32_BIT_MASK) {
NSK_COMPLAIN1("wrong tag_ptr passed to "
@@ -567,7 +567,7 @@ jint JNICALL heapReferenceCallback(
printf(" class_tag=%" LL "d, tag=%" LL "d, size=%" LL "d,"
" ref_tag=%" LL "d, referrer_index=%d\n\n",
class_tag, tag, size, ref_tag, referrer_index);
- fflush(0);
+ fflush(nullptr);
if (length != -1) {
NSK_COMPLAIN1("wrong length passed to heapReferenceCallback: "
@@ -647,7 +647,7 @@ jint JNICALL heapReferenceCallback(
case JVMTI_HEAP_REFERENCE_OTHER: {
NSK_COMPLAIN1("This reference kind was not expected: %s\n",
ref_kind_str[reference_kind]);
- fflush(0);
+ fflush(nullptr);
nsk_jvmti_setFailStatus();
return 0;
}
@@ -674,7 +674,7 @@ jint JNICALL primitiveFieldCallback(
(long) class_tag,
(long) DEREF(tag_ptr),
(int) value_type);
- fflush(0);
+ fflush(nullptr);
return 0;
} /* primitiveFieldCallback */
@@ -694,7 +694,7 @@ jint JNICALL arrayPrimitiveValueCallback(
(long) DEREF(tag_ptr),
(int) element_count,
(int) element_type);
- fflush(0);
+ fflush(nullptr);
return 0;
} /* arrayPrimitiveValueCallback */
@@ -711,7 +711,7 @@ jint JNICALL stringPrimitiveValueCallback(
(long) class_tag,
(long) DEREF(tag_ptr),
(int) value_length);
- fflush(0);
+ fflush(nullptr);
return 0;
} /* stringPrimitiveValueCallback */
@@ -725,14 +725,14 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
jobject rootObject = nullptr;
printf("Wait for tested objects created\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout))) {
return;
}
printf(">>> Obtain and tag tested objects from debugee class\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(getAndTagTestedObjects(jvmti,
jni,
@@ -745,7 +745,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Let debugee to clean links to unreachable objects\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_resumeSync())) {
return;
@@ -755,7 +755,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Start iteration from root tested object: 0x%p\n\n", rootObject);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JVMTI_VERIFY(jvmti->FollowReferences((jint) 0, /* heap_filter */
(jclass) nullptr, /* class */
@@ -767,19 +767,19 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Check if reachable objects were iterated:\n");
- fflush(0);
+ fflush(nullptr);
if (!checkTestedObjects(jvmti, jni, chainLength, objectDescList)) {
nsk_jvmti_setFailStatus();
}
printf(">>> Clean used data\n");
- fflush(0);
+ fflush(nullptr);
releaseTestedObjects(jvmti, jni, chainLength, objectDescList, rootObject);
printf(">>> Let debugee to finish\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_resumeSync())) {
return;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref002/followref002.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref002/followref002.cpp
index 6366b430776..9ea3a5d0d01 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref002/followref002.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref002/followref002.cpp
@@ -131,7 +131,7 @@ static int getAndTagChainObjects(
nsk_jvmti_setFailStatus();
}
printf(" tag=%-5ld object=0x%p\n", (long)objTag, (void*)obj);
- fflush(0);
+ fflush(nullptr);
if (!getAndTagChainObjects(jvmti, jni, obj,
nextField,
nextFieldName,
@@ -170,14 +170,14 @@ static int getAndTagTestedObjects(
*objectsCount = 1 + 2 * chainLength;
printf("Allocate memory for objects list: %d objects\n", *objectsCount);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JVMTI_VERIFY(jvmti->Allocate((*objectsCount * sizeof(ObjectDesc)),
(unsigned char**)objectDescList))) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
}
printf(" ... allocated array: 0x%p\n", (void*)objectDescList);
- fflush(0);
+ fflush(nullptr);
{
int k;
@@ -191,7 +191,7 @@ static int getAndTagTestedObjects(
(*objectDescList)[0].exp_class_tag = rootClassTag;
printf("Find debugee class: %s\n", DEBUGEE_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (debugeeClass = jni->FindClass(DEBUGEE_CLASS_NAME)) != nullptr)) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
@@ -199,7 +199,7 @@ static int getAndTagTestedObjects(
printf(" ... found class: 0x%p\n", (void*)debugeeClass);
printf("Find root object class: %s\n", ROOT_OBJECT_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (rootObjectClass = jni->FindClass(ROOT_OBJECT_CLASS_NAME)) != nullptr)) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
@@ -212,7 +212,7 @@ static int getAndTagTestedObjects(
printf(" tag=%-5ld rootClass=0x%p\n", (long)rootClassTag, (void*)rootObjectClass);
printf("Find chain object class: %s\n", CHAIN_OBJECT_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (chainObjectClass =
jni->FindClass(CHAIN_OBJECT_CLASS_NAME)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -226,7 +226,7 @@ static int getAndTagTestedObjects(
printf(" tag=%-5ld chainClass=0x%p\n", (long)chainClassTag, (void*)chainObjectClass);
printf("Find static field in debugee class: %s\n", OBJECT_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (objectField =
jni->GetStaticFieldID(debugeeClass, OBJECT_FIELD_NAME, ROOT_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -235,7 +235,7 @@ static int getAndTagTestedObjects(
printf(" ... got fieldID: 0x%p\n", (void*)objectField);
printf("Find instance field in root object class: %s\n", REACHABLE_CHAIN_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (reachableChainField =
jni->GetFieldID(rootObjectClass, REACHABLE_CHAIN_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -244,7 +244,7 @@ static int getAndTagTestedObjects(
printf(" ... got fieldID: 0x%p\n", (void*)reachableChainField);
printf("Find instance field in root object class: %s\n", UNREACHABLE_CHAIN_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (unreachableChainField =
jni->GetFieldID(rootObjectClass, UNREACHABLE_CHAIN_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -253,7 +253,7 @@ static int getAndTagTestedObjects(
printf(" ... got fieldID: 0x%p\n", (void*)unreachableChainField);
printf("Find instance field in chain object class: %s\n", TAIL_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (tailField =
jni->GetFieldID(chainObjectClass, TAIL_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -262,14 +262,14 @@ static int getAndTagTestedObjects(
printf(" ... got fieldID: 0x%p\n", (void*)tailField);
printf("Get root object from static field: %s\n", OBJECT_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*rootObject =
jni->GetStaticObjectField(debugeeClass, objectField)) != nullptr)) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
}
printf(" ... got object: 0x%p\n", (void*)*rootObject);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*rootObject = jni->NewGlobalRef(*rootObject)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -280,7 +280,7 @@ static int getAndTagTestedObjects(
printf("Obtain and tag chain objects:\n");
printf(" root tested object:\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_JVMTI_VERIFY(jvmti->SetTag(*rootObject, rootObjectTag))) {
nsk_jvmti_setFailStatus();
}
@@ -295,7 +295,7 @@ static int getAndTagTestedObjects(
(*objectDescList)[chainLength].exp_found = 1;
printf(" reachable objects chain: %d objects\n", chainLength);
- fflush(0);
+ fflush(nullptr);
if (!getAndTagChainObjects(jvmti, jni, *rootObject,
reachableChainField,
REACHABLE_CHAIN_FIELD_NAME,
@@ -348,7 +348,7 @@ static int checkTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni,
}
printf("\nReachable objects:\n");
- fflush(0);
+ fflush(nullptr);
for (i = 0; i < chainLength; i++) {
idx = i + 1;
printf("Reachable object:\n"
@@ -383,7 +383,7 @@ static int checkTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni,
NSK_COMPLAIN0("Unreachable object was iterated\n");
nsk_jvmti_setFailStatus();
}
- fflush(0);
+ fflush(nullptr);
}
return NSK_TRUE;
@@ -404,7 +404,7 @@ static int releaseTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
}
}
- fflush(0);
+ fflush(nullptr);
return NSK_TRUE;
} /* releaseTestedObjects */
@@ -456,7 +456,7 @@ jint JNICALL heapReferenceCallback(
(long) size,
(long) ref_tag,
(int) referrer_index);
- fflush(0);
+ fflush(nullptr);
if (tag_ptr == nullptr) {
NSK_COMPLAIN1("null tag_ptr is passed to heapReferenceCallback:"
@@ -531,7 +531,7 @@ jint JNICALL heapReferenceCallback(
case JVMTI_HEAP_REFERENCE_OTHER: {
NSK_COMPLAIN1("This reference kind was not expected: %s\n",
ref_kind_str[reference_kind]);
- fflush(0);
+ fflush(nullptr);
nsk_jvmti_setFailStatus();
return 0;
}
@@ -556,7 +556,7 @@ jint JNICALL primitiveFieldCallback(
(long) class_tag,
(long) DEREF(tag_ptr),
(int) value_type);
- fflush(0);
+ fflush(nullptr);
return 0;
}
@@ -574,7 +574,7 @@ jint JNICALL arrayPrimitiveValueCallback(
(long) DEREF(tag_ptr),
(int) element_count,
(int) element_type);
- fflush(0);
+ fflush(nullptr);
return 0;
}
@@ -590,7 +590,7 @@ jint JNICALL stringPrimitiveValueCallback(
(long) class_tag,
(long) DEREF(tag_ptr),
(int) value_length);
- fflush(0);
+ fflush(nullptr);
return 0;
}
@@ -602,13 +602,13 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
jobject rootObject = nullptr;
printf("Wait for tested objects created\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout))) {
return;
}
printf(">>> Obtain and tag tested objects from debugee class\n");
- fflush(0);
+ fflush(nullptr);
{
if (!NSK_VERIFY(getAndTagTestedObjects(jvmti, jni,
chainLength, &objectsCount,
@@ -618,7 +618,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Let debugee to clean links to unreachable objects\n");
- fflush(0);
+ fflush(nullptr);
{
if (!NSK_VERIFY(nsk_jvmti_resumeSync())) {
return;
@@ -629,7 +629,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf("\n\n>>> Start 1-st iteration for root tested object: 0x%p\n", rootObject);
- fflush(0);
+ fflush(nullptr);
{
jint heap_filter = JVMTI_HEAP_FILTER_UNTAGGED | JVMTI_HEAP_FILTER_CLASS_UNTAGGED;
if (!NSK_JVMTI_VERIFY(jvmti->FollowReferences(heap_filter,
@@ -643,7 +643,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Check if reachable objects were iterated\n");
- fflush(0);
+ fflush(nullptr);
{
if (!checkTestedObjects(jvmti, jni, chainLength, objectDescList)) {
nsk_jvmti_setFailStatus();
@@ -660,7 +660,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf("\n\n>>> Start 2-nd iteration for root tested object: 0x%p\n", rootObject);
- fflush(0);
+ fflush(nullptr);
{
/* This time everythig is filtered out */
jint heap_filter = JVMTI_HEAP_FILTER_UNTAGGED | JVMTI_HEAP_FILTER_CLASS_UNTAGGED |
@@ -676,7 +676,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Check if reachable objects were not reported this time\n");
- fflush(0);
+ fflush(nullptr);
{
if (!checkTestedObjects(jvmti, jni, chainLength, objectDescList)) {
nsk_jvmti_setFailStatus();
@@ -684,7 +684,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Clean used data\n");
- fflush(0);
+ fflush(nullptr);
{
if (!NSK_VERIFY(releaseTestedObjects(jvmti, jni, chainLength, objectDescList, rootObject))) {
return;
@@ -692,7 +692,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf("Let debugee to finish\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
return;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref003/followref003.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref003/followref003.cpp
index cb0385ee653..80cbf856f45 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref003/followref003.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref003/followref003.cpp
@@ -146,7 +146,7 @@ static int getChainObjects(jvmtiEnv* jvmti, JNIEnv* jni, jobject firstObject,
nsk_jvmti_setFailStatus();
}
printf(" tag=%-5ld object=0x%p\n", (long)objTag, (void*)obj);
- fflush(0);
+ fflush(nullptr);
if (!getChainObjects(jvmti, jni, obj, nextField, nextFieldName,
nextField, nextFieldName,
count, objectDescList, tag, reachable)) {
@@ -173,14 +173,14 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
*objectsCount = 1 + 2 * chainLength;
printf("Allocate memory for objects list: %d objects\n", *objectsCount);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JVMTI_VERIFY(jvmti->Allocate((*objectsCount * sizeof(ObjectDesc)),
(unsigned char**)objectDescList))) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
}
printf(" ... allocated array: 0x%p\n", (void*)objectDescList);
- fflush(0);
+ fflush(nullptr);
{
int k;
@@ -194,7 +194,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
(*objectDescList)[0].exp_class_tag = rootClassTag;
printf("Find debugee class: %s\n", DEBUGEE_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (debugeeClass = jni->FindClass(DEBUGEE_CLASS_NAME)) != nullptr)) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
@@ -202,7 +202,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
printf(" ... found class: 0x%p\n", (void*)debugeeClass);
printf("Find root object class: %s\n", ROOT_OBJECT_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (rootObjectClass = jni->FindClass(ROOT_OBJECT_CLASS_NAME)) != nullptr)) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
@@ -216,7 +216,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
(long)rootClassTag, (void*)rootObjectClass);
printf("Find chain object class: %s\n", CHAIN_OBJECT_CLASS_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (chainObjectClass =
jni->FindClass(CHAIN_OBJECT_CLASS_NAME)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -232,7 +232,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
(long)chainClassTag, (void*)chainObjectClass);
printf("Find static field in debugee class: %s\n", OBJECT_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (objectField =
jni->GetStaticFieldID(debugeeClass, OBJECT_FIELD_NAME, ROOT_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -241,7 +241,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
printf(" ... got fieldID: 0x%p\n", (void*)objectField);
printf("Find instance field in root object class: %s\n", REACHABLE_CHAIN_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (reachableChainField =
jni->GetFieldID(rootObjectClass, REACHABLE_CHAIN_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -250,7 +250,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
printf(" ... got fieldID: 0x%p\n", (void*)reachableChainField);
printf("Find instance field in root object class: %s\n", UNREACHABLE_CHAIN_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (unreachableChainField =
jni->GetFieldID(rootObjectClass, UNREACHABLE_CHAIN_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -259,7 +259,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
printf(" ... got fieldID: 0x%p\n", (void*)unreachableChainField);
printf("Find instance field in chain object class: %s\n", TAIL_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (tailField =
jni->GetFieldID(chainObjectClass, TAIL_FIELD_NAME, CHAIN_OBJECT_CLASS_SIG)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -268,14 +268,14 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
printf(" ... got fieldID: 0x%p\n", (void*)tailField);
printf("Get root object from static field: %s\n", OBJECT_FIELD_NAME);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*rootObject =
jni->GetStaticObjectField(debugeeClass, objectField)) != nullptr)) {
nsk_jvmti_setFailStatus();
return NSK_FALSE;
}
printf(" ... got object: 0x%p\n", (void*)*rootObject);
- fflush(0);
+ fflush(nullptr);
if (!NSK_JNI_VERIFY(jni, (*rootObject = jni->NewGlobalRef(*rootObject)) != nullptr)) {
nsk_jvmti_setFailStatus();
@@ -286,7 +286,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
printf("Obtain and tag chain objects:\n");
printf(" root tested object\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_JVMTI_VERIFY(jvmti->SetTag(*rootObject, rootObjectTag))) {
nsk_jvmti_setFailStatus();
}
@@ -298,7 +298,7 @@ static int getTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
(*objectDescList)[0].tag = rootObjectTag;
printf(" reachable objects chain: %d objects\n", chainLength);
- fflush(0);
+ fflush(nullptr);
if (!getChainObjects(jvmti, jni, *rootObject,
reachableChainField, REACHABLE_CHAIN_FIELD_NAME,
tailField, TAIL_FIELD_NAME,
@@ -347,7 +347,7 @@ static int checkTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni,
}
printf("\nReachable objects:\n");
- fflush(0);
+ fflush(nullptr);
for (i = 0; i < chainLength; i++) {
idx = i + 1;
printf("Reachable object:\n"
@@ -382,7 +382,7 @@ static int checkTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni,
NSK_COMPLAIN0("Unreachable object was iterated\n");
nsk_jvmti_setFailStatus();
}
- fflush(0);
+ fflush(nullptr);
}
return NSK_TRUE;
@@ -403,7 +403,7 @@ static int releaseTestedObjects(jvmtiEnv* jvmti, JNIEnv* jni, int chainLength,
}
}
- fflush(0);
+ fflush(nullptr);
return NSK_TRUE;
}
@@ -646,7 +646,7 @@ jint JNICALL heapReferenceCallback(
(long) size);
}
- fflush(0);
+ fflush(nullptr);
return 0;
}
@@ -665,7 +665,7 @@ jint JNICALL heapReferenceCallback(
method,
(long) location,
(int) index);
- fflush(0);
+ fflush(nullptr);
if (tag_ptr == nullptr) {
NSK_COMPLAIN1("null tag_ptr is passed to heapReferenceCallback:"
@@ -748,7 +748,7 @@ jint JNICALL heapReferenceCallback(
if (tag != rootObjectTag || class_tag != rootClassTag) {
NSK_COMPLAIN1("This reference kind was not expected: %s\n",
ref_kind_str[ref_kind]);
- fflush(0);
+ fflush(nullptr);
nsk_jvmti_setFailStatus();
}
break;
@@ -818,7 +818,7 @@ jint JNICALL heapReferenceCallback(
default: {
NSK_COMPLAIN1("This reference kind was not expected: %s\n\n",
ref_kind_str[ref_kind]);
- fflush(0);
+ fflush(nullptr);
nsk_jvmti_setFailStatus();
break;
}
@@ -840,7 +840,7 @@ jint JNICALL primitiveFieldCallback
(long) class_tag,
(long) DEREF(tag_ptr),
(int) value_type);
- fflush(0);
+ fflush(nullptr);
return 0;
}
@@ -853,7 +853,7 @@ jint JNICALL arrayPrimitiveValueCallback
(long) DEREF(tag_ptr),
(int) element_count,
(int) element_type);
- fflush(0);
+ fflush(nullptr);
return 0;
}
@@ -865,7 +865,7 @@ jint JNICALL stringPrimitiveValueCallback
(long) class_tag,
(long) DEREF(tag_ptr),
(int) value_length);
- fflush(0);
+ fflush(nullptr);
return 0;
}
@@ -902,13 +902,13 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
jobject rootObject = nullptr;
printf("Wait for tested objects created\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout))) {
return;
}
printf(">>> Obtain and tag tested objects from debugee class\n");
- fflush(0);
+ fflush(nullptr);
{
if (!NSK_VERIFY(getTestedObjects(jvmti, jni, chainLength, &objectsCount,
&objectDescList, &rootObject))) {
@@ -917,7 +917,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Let debugee to clean links to unreachable objects\n");
- fflush(0);
+ fflush(nullptr);
{
if (!NSK_VERIFY(nsk_jvmti_resumeSync())) {
return;
@@ -933,7 +933,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf("\n\n>>> Start 1-st iteration starting from the heap root\n");
- fflush(0);
+ fflush(nullptr);
{
if (!NSK_JVMTI_VERIFY(jvmti->FollowReferences((jint) 0, /* heap_filter */
(jclass) nullptr, /* class */
@@ -946,7 +946,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Check if reachable objects were iterated\n");
- fflush(0);
+ fflush(nullptr);
{
if (!checkTestedObjects(jvmti, jni, chainLength, objectDescList)) {
nsk_jvmti_setFailStatus();
@@ -968,7 +968,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf("\n\n>>> Start 2-nd iteration starting from the heap root\n");
- fflush(0);
+ fflush(nullptr);
first_followref = 0;
{
jint heap_filter = JVMTI_HEAP_FILTER_UNTAGGED
@@ -985,7 +985,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
printf(">>> Check that both reachable and unreachable "
"objects were not iterated\n");
- fflush(0);
+ fflush(nullptr);
{
if (!checkTestedObjects(jvmti, jni, chainLength, objectDescList)) {
nsk_jvmti_setFailStatus();
@@ -994,7 +994,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
printf(">>> Clean used data\n");
- fflush(0);
+ fflush(nullptr);
{
if (!NSK_VERIFY(releaseTestedObjects(jvmti, jni, chainLength,
objectDescList, rootObject))) {
@@ -1003,7 +1003,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf("Let debugee to finish\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
return;
}
@@ -1047,7 +1047,7 @@ jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
info = INFO_HEAPOBJ;
else {
printf("Unknown option value: info=%s\n", infoOpt);
- fflush(0);
+ fflush(nullptr);
return JNI_ERR;
}
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref004/followref004.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref004/followref004.cpp
index e73534de8b6..2446b5f7caf 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref004/followref004.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref004/followref004.cpp
@@ -86,7 +86,7 @@ jint JNICALL primitiveFieldCallback(
(long) DEREF(tag_ptr),
(int) value_type);
- fflush(0);
+ fflush(nullptr);
markTagVisited(DEREF(tag_ptr));
@@ -111,7 +111,7 @@ jint JNICALL arrayPrimitiveValueCallback(
(long) DEREF(tag_ptr),
(int) element_count,
(int) element_type);
- fflush(0);
+ fflush(nullptr);
markTagVisited(DEREF(tag_ptr));
@@ -132,7 +132,7 @@ jint JNICALL stringPrimitiveValueCallback(
(long) class_tag,
(long) DEREF(tag_ptr),
(int) value_length);
- fflush(0);
+ fflush(nullptr);
markTagVisited(DEREF(tag_ptr));
@@ -168,14 +168,14 @@ static void JNICALL agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg)
jvmtiError retCode;
printf(">>> Sync with Java code\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_waitForSync(g_timeout))) {
return;
}
printf(">>> Create JNI global references\n");
- fflush(0);
+ fflush(nullptr);
createGlobalRefs(jni);
@@ -192,7 +192,7 @@ static void JNICALL agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg)
checkThatAllTagsVisited();
printf(">>> Let debugee to finish\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_resumeSync())) {
return;
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref005/followref005.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref005/followref005.cpp
index 333ddcccf83..d0194feab02 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref005/followref005.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref005/followref005.cpp
@@ -88,7 +88,7 @@ agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
}
printf(">>> Let debugee to finish\n");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_waitForSync(g_timeout))) {
return;
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref006/followref006.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref006/followref006.cpp
index 54485fb809a..5c5e3780321 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref006/followref006.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/FollowReferences/followref006/followref006.cpp
@@ -181,7 +181,7 @@ static void JNICALL agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg)
checkNoObjIterated(jni, jvmti, JAVA_UTIL_CALENDAR_CLASS_NAME);
NSK_DISPLAY0("Let debugee to finish");
- fflush(0);
+ fflush(nullptr);
if (!NSK_VERIFY(nsk_jvmti_waitForSync(g_timeout))) {
return;
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretbase/earlyretbase.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretbase/earlyretbase.cpp
index 47b9618d19c..6c57004fc5f 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretbase/earlyretbase.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretbase/earlyretbase.cpp
@@ -33,7 +33,7 @@ extern "C" {
#define STATUS_FAILED 2
#define PASSED 0
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return errCode
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return errCode
static jvmtiEnv *jvmti = nullptr;
static jvmtiCapabilities caps;
@@ -59,7 +59,7 @@ MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr,
if (method == midActiveMethod) {
printf("#### MethodExit event occurred ####\n");
- fflush(0);
+ fflush(nullptr);
meth_exit_gen_events++;
}
}
@@ -70,7 +70,7 @@ FramePop(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
if (method == midActiveMethod) {
printf("#### FramePop event occurred ####\n");
- fflush(0);
+ fflush(nullptr);
pop_frame_gen_events++;
}
}
@@ -120,7 +120,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretbase_resThread(JNIEnv *env,
return JNI_ERR;
}
printf("<<<<<<<< ResumeThread() is successfully done\n");
- fflush(0);
+ fflush(nullptr);
return PASSED;
}
@@ -176,7 +176,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretbase_doForceEarlyReturn(JNIEnv *env
RETURN_FAILED;
}
printf("Check #1 PASSED: ForceEarlyReturn() is successfully done\n");
- fflush(0);
+ fflush(nullptr);
return(errCode);
}
@@ -268,7 +268,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretbase_check(JNIEnv *env, jclass cls)
"events generated correctly\n");
errCode = PASSED;
}
- fflush(0);
+ fflush(nullptr);
return errCode;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretfp/earlyretfp.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretfp/earlyretfp.cpp
index 9a0ce3d8550..5e7506a871e 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretfp/earlyretfp.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretfp/earlyretfp.cpp
@@ -33,7 +33,7 @@ extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return
#define METHCNT 2
static jvmtiEnv *jvmti = nullptr;
@@ -175,7 +175,7 @@ void check(jvmtiEnv *jvmti_env, jthread thr, jmethodID mid,
printf(" expected: %d\n", framesCount + 1);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -220,7 +220,7 @@ void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
TranslateError(err), err);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -256,7 +256,7 @@ void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
RETURN_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
@@ -289,7 +289,7 @@ void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
printf("Method was_popped_by_exception unexpectedly\n");
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
#ifdef STATIC_BUILD
@@ -361,7 +361,7 @@ jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
printf("Warning: Breakpoint or SingleStep event are not implemented\n");
}
- fflush(0);
+ fflush(nullptr);
return JNI_OK;
}
@@ -431,7 +431,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretfp_printFloat(
JNIEnv *env, jclass cls, jfloat val) {
printf("\n>>> Returned value is %8.4f, hex: %#a\n", val, val);
- fflush(0);
+ fflush(nullptr);
return;
}
@@ -440,7 +440,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretfp_printDouble(
JNIEnv *env, jclass cls, jdouble val) {
printf("\n>>> Returned value is %8.4f, hex: %#a\n", val, val);
- fflush(0);
+ fflush(nullptr);
return;
}
@@ -451,7 +451,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretfp_check(JNIEnv *env, jclass cls) {
framesCount, framesExpected);
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
return errCode;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretint/earlyretint.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretint/earlyretint.cpp
index feb51d5fc40..16cd4c38567 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretint/earlyretint.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretint/earlyretint.cpp
@@ -33,7 +33,7 @@ extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return
static jvmtiEnv *jvmti = nullptr;
static jvmtiCapabilities caps;
@@ -184,7 +184,7 @@ void check(jvmtiEnv *jvmti_env, jthread thr, jmethodID mid,
printf(" expected: %d\n", framesCount + 1);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -229,7 +229,7 @@ void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
TranslateError(err), err);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -270,7 +270,7 @@ void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
RETURN_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
@@ -295,7 +295,7 @@ void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
printf("Method was_popped_by_exception unexpectedly\n");
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
#ifdef STATIC_BUILD
@@ -452,7 +452,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretint_printInt(
JNIEnv *env, jclass cls, jint val) {
printf("\n>>> Returned value: dec %d, hex: %#x\n", val, val);
- fflush(0);
+ fflush(nullptr);
return;
}
@@ -463,7 +463,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretint_check(JNIEnv *env, jclass cls)
framesCount, framesExpected);
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
return errCode;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretlong/earlyretlong.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretlong/earlyretlong.cpp
index 170d6839bef..2cb1a318d44 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretlong/earlyretlong.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretlong/earlyretlong.cpp
@@ -34,7 +34,7 @@ extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return
static jvmtiEnv *jvmti = nullptr;
static jvmtiCapabilities caps;
@@ -168,7 +168,7 @@ void check(jvmtiEnv *jvmti_env, jthread thr, jmethodID mid,
printf(" expected: %d\n", framesCount + 1);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -213,7 +213,7 @@ void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
TranslateError(err), err);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -251,7 +251,7 @@ void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
RETURN_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
@@ -276,7 +276,7 @@ void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
errCode = STATUS_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
#ifdef STATIC_BUILD
@@ -412,7 +412,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretlong_printLong(
printf("\n>>> Returned value: dec: %" LL "d, hex: %#x %#x\n",
val, iptr[0], iptr[1]);
- fflush(0);
+ fflush(nullptr);
return;
}
@@ -423,7 +423,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretlong_check(JNIEnv *env, jclass cls)
framesCount, framesExpected);
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
return errCode;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretobj/earlyretobj.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretobj/earlyretobj.cpp
index 6faf82f9ed9..ee3b79632d5 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretobj/earlyretobj.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretobj/earlyretobj.cpp
@@ -34,7 +34,7 @@ extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return
static jvmtiEnv *jvmti = nullptr;
static jvmtiCapabilities caps;
@@ -168,7 +168,7 @@ void check(jvmtiEnv *jvmti_env, jthread thr, jmethodID mid,
printf(" expected: %d\n", framesCount + 1);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -213,7 +213,7 @@ void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
TranslateError(err), err);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -251,7 +251,7 @@ void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
RETURN_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
@@ -274,7 +274,7 @@ void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
errCode = STATUS_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
#ifdef STATIC_BUILD
@@ -410,7 +410,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretobj_check(JNIEnv *env, jclass cls)
framesCount, framesExpected);
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
return errCode;
}
@@ -419,7 +419,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretobj_printObject(
JNIEnv *env, jclass cls, jobject obj) {
printf("\nReturned jobject: %#" PRIxPTR "\n", (uintptr_t)obj);
- fflush(0);
+ fflush(nullptr);
return;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretstr/earlyretstr.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretstr/earlyretstr.cpp
index 6ebb50026a3..8465d05f956 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretstr/earlyretstr.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretstr/earlyretstr.cpp
@@ -33,7 +33,7 @@ extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return
static jvmtiEnv *jvmti = nullptr;
static jvmtiCapabilities caps;
@@ -167,7 +167,7 @@ void check(jvmtiEnv *jvmti_env, jthread thr, jmethodID mid,
printf(" expected: %d\n", framesCount + 1);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -212,7 +212,7 @@ void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
TranslateError(err), err);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -249,7 +249,7 @@ void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
RETURN_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
@@ -273,7 +273,7 @@ void JNICALL MethodExit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread,
errCode = STATUS_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
#ifdef STATIC_BUILD
@@ -409,7 +409,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretstr_check(JNIEnv *env, jclass cls)
framesCount, framesExpected);
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
return errCode;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretvoid/earlyretvoid.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretvoid/earlyretvoid.cpp
index 4919d27e9e7..e66b9fc97ac 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretvoid/earlyretvoid.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/ForceEarlyReturn/earlyretvoid/earlyretvoid.cpp
@@ -33,7 +33,7 @@ extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return
static jvmtiEnv *jvmti = nullptr;
static jvmtiCapabilities caps;
@@ -155,7 +155,7 @@ void check(jvmtiEnv *jvmti_env, jthread thr, jmethodID mid,
}
jvmti_env->Deallocate((unsigned char*)table);
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -192,7 +192,7 @@ void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
TranslateError(err), err);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -223,7 +223,7 @@ void JNICALL SingleStep(jvmtiEnv *jvmti_env, JNIEnv *env,
RETURN_FAILED;
}
}
- fflush(0);
+ fflush(nullptr);
}
#ifdef STATIC_BUILD
@@ -339,7 +339,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretvoid_getReady(
} else {
framesExpected = depth;
}
- fflush(0);
+ fflush(nullptr);
}
JNIEXPORT jint JNICALL
@@ -349,7 +349,7 @@ Java_nsk_jvmti_unit_ForceEarlyReturn_earlyretvoid_check(JNIEnv *env, jclass cls)
framesCount, framesExpected);
errCode = STATUS_FAILED;
}
- fflush(0);
+ fflush(nullptr);
return errCode;
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001/getallstktr001.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001/getallstktr001.cpp
index c1f0443186f..8916186531d 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001/getallstktr001.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001/getallstktr001.cpp
@@ -179,7 +179,7 @@ void compare_all_frames(int ti, int frames_count,
printf("thr #%d: compare frame #%d: fields are the same: "
" method: 0x%p, location: %#" LL "x\n",
ti, fi, fr1->method, fr1->location);
- fflush(0);
+ fflush(nullptr);
}
}
@@ -225,7 +225,7 @@ void compare_one_stack_trace(int ti,
" jthread: 0x%p, state: %d, frame_count: %d\n",
ti, stk1->thread, stk1->state, stk1->frame_count);
- fflush(0);
+ fflush(nullptr);
compare_all_frames(ti,
stk1->frame_count,
stk1->frame_buffer,
@@ -291,7 +291,7 @@ Java_nsk_jvmti_unit_GetAllStackTraces_getallstktr001_GetThreadsInfo(
iGlobalStatus = STATUS_FAILED;
}
printf("GetThreadInfo %d: thread: %s\n", ti, thread_info[ti].name);
- fflush(0);
+ fflush(nullptr);
}
}
diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetConstantPool/getcpool001/getcpool001.cpp b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetConstantPool/getcpool001/getcpool001.cpp
index 997e6c667e6..d3905ad65eb 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetConstantPool/getcpool001/getcpool001.cpp
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetConstantPool/getcpool001/getcpool001.cpp
@@ -36,7 +36,7 @@ extern "C" {
static jvmtiCapabilities caps;
static jvmtiEventCallbacks callbacks;
-#define RETURN_FAILED errCode = STATUS_FAILED; fflush(0); return
+#define RETURN_FAILED errCode = STATUS_FAILED; fflush(nullptr); return
static jint errCode = PASSED;
static jvmtiEnv *jvmti = nullptr;
@@ -63,7 +63,7 @@ Java_nsk_jvmti_unit_GetConstantPool_getcpool001_getCP(
/* Print Constant Pool attrs*/
printf("getCP: id = %d, cnt = %03d, bytes_cnt = %04d\n",
id, cp_cnt, cp_bytes_cnt);
- fflush(0);
+ fflush(nullptr);
}
void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
@@ -83,7 +83,7 @@ void JNICALL Breakpoint(jvmtiEnv *jvmti_env, JNIEnv *env,
TranslateError(err), err);
RETURN_FAILED;
}
- fflush(0);
+ fflush(nullptr);
}
#ifdef STATIC_BUILD