src/windows/native/java/util/WindowsPreferences.c
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2000, 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2014, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
@@ -22,12 +22,14 @@
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <stdlib.h>
-#include <jni.h>
#include <windows.h>
+#include "jni.h"
+#include "jni_util.h"
+#include "jvm.h"
#ifdef __cplusplus
extern "C" {
#endif
JNIEXPORT jintArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegOpenKey
(JNIEnv* env, jclass this_class, jint hKey, jbyteArray lpSubKey, jint securityMask) {
@@ -35,16 +37,19 @@
char* str;
int tmp[2];
int errorCode=-1;
jintArray result;
str = (*env)->GetByteArrayElements(env, lpSubKey, NULL);
+ CHECK_NULL_RETURN(str, NULL);
errorCode = RegOpenKeyEx((HKEY)hKey, str, 0, securityMask, &handle);
(*env)->ReleaseByteArrayElements(env, lpSubKey, str, 0);
tmp[0]= (int) handle;
tmp[1]= errorCode;
result = (*env)->NewIntArray(env,2);
+ if(result != NULL) {
(*env)->SetIntArrayRegion(env, result, 0, 2, tmp);
+ }
return result;
}
JNIEXPORT jint JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegCloseKey
(JNIEnv* env, jclass this_class, jint hKey) {
@@ -56,29 +61,33 @@
HKEY handle;
char* str;
int tmp[3];
DWORD lpdwDisposition;
int errorCode;
- jintArray result;
+ jintArray result = NULL;
str = (*env)->GetByteArrayElements(env, lpSubKey, NULL);
+ CHECK_NULL_RETURN(str, NULL);
errorCode = RegCreateKeyEx((HKEY)hKey, str, 0, NULL,
REG_OPTION_NON_VOLATILE, KEY_READ,
NULL, &handle, &lpdwDisposition);
(*env)->ReleaseByteArrayElements(env, lpSubKey, str, 0);
tmp[0]= (int) handle;
tmp[1]= errorCode;
tmp[2]= lpdwDisposition;
result = (*env)->NewIntArray(env,3);
+ if (result != NULL) {
(*env)->SetIntArrayRegion(env, result, 0, 3, tmp);
+ }
return result;
}
JNIEXPORT jint JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegDeleteKey
(JNIEnv* env, jclass this_class, jint hKey, jbyteArray lpSubKey) {
char* str;
int result;
str = (*env)->GetByteArrayElements(env, lpSubKey, NULL);
+ CHECK_NULL_RETURN(str, -1);
result = RegDeleteKey((HKEY)hKey, str);
(*env)->ReleaseByteArrayElements(env, lpSubKey, str, 0);
return result;
};
@@ -94,28 +103,37 @@
char* buffer;
jbyteArray result;
DWORD valueType;
DWORD valueSize;
valueNameStr = (*env)->GetByteArrayElements(env, valueName, NULL);
+ CHECK_NULL_RETURN(valueNameStr, NULL);
if (RegQueryValueEx((HKEY)hKey, valueNameStr, NULL, &valueType, NULL,
&valueSize) != ERROR_SUCCESS) {
(*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0);
return NULL;
}
buffer = (char*)malloc(valueSize);
+ if (buffer != NULL) {
if (RegQueryValueEx((HKEY)hKey, valueNameStr, NULL, &valueType, buffer,
&valueSize) != ERROR_SUCCESS) {
free(buffer);
(*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0);
return NULL;
}
+ } else {
+ JNU_ThrowOutOfMemoryError(env, "native memory allocation failed");
+ (*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0);
+ return NULL;
+ }
if (valueType == REG_SZ) {
result = (*env)->NewByteArray(env, valueSize);
+ if (result != NULL) {
(*env)->SetByteArrayRegion(env, result, 0, valueSize, buffer);
+ }
} else {
result = NULL;
}
free(buffer);
(*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0);
@@ -133,11 +151,13 @@
int nameSize = -1;
int error_code = -1;
if ((valueName == NULL)||(data == NULL)) {return -1;}
size = (*env)->GetArrayLength(env, data);
dataStr = (*env)->GetByteArrayElements(env, data, NULL);
+ CHECK_NULL_RETURN(dataStr, -1);
valueNameStr = (*env)->GetByteArrayElements(env, valueName, NULL);
+ CHECK_NULL_RETURN(valueNameStr, -1);
error_code = RegSetValueEx((HKEY)hKey, valueNameStr, 0,
REG_SZ, dataStr, size);
(*env)->ReleaseByteArrayElements(env, data, dataStr, 0);
(*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0);
return error_code;
@@ -147,18 +167,19 @@
(JNIEnv* env, jclass this_class, jint hKey, jbyteArray valueName) {
char* valueNameStr;
int error_code = -1;
if (valueName == NULL) {return -1;}
valueNameStr = (*env)->GetByteArrayElements(env, valueName, NULL);
+ CHECK_NULL_RETURN(valueNameStr, -1);
error_code = RegDeleteValue((HKEY)hKey, valueNameStr);
(*env)->ReleaseByteArrayElements(env, valueName, valueNameStr, 0);
return error_code;
}
JNIEXPORT jintArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegQueryInfoKey
(JNIEnv* env, jclass this_class, jint hKey) {
- jintArray result;
+ jintArray result = NULL;
int tmp[5];
int valuesNumber = -1;
int maxValueNameLength = -1;
int maxSubKeyLength = -1;
int subKeysNumber = -1;
@@ -171,27 +192,35 @@
tmp[1]= (int)errorCode;
tmp[2]= valuesNumber;
tmp[3]= maxSubKeyLength;
tmp[4]= maxValueNameLength;
result = (*env)->NewIntArray(env,5);
+ if (result != NULL) {
(*env)->SetIntArrayRegion(env, result, 0, 5, tmp);
+ }
return result;
}
JNIEXPORT jbyteArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegEnumKeyEx
(JNIEnv* env, jclass this_class, jint hKey , jint subKeyIndex, jint maxKeyLength) {
int size = maxKeyLength;
jbyteArray result;
char* buffer = NULL;
buffer = (char*)malloc(maxKeyLength);
+ if (buffer == NULL) {
+ JNU_ThrowOutOfMemoryError(env, "native memory allocation failed");
+ return NULL;
+ }
if (RegEnumKeyEx((HKEY) hKey, subKeyIndex, buffer, &size, NULL, NULL,
NULL, NULL) != ERROR_SUCCESS){
free(buffer);
return NULL;
}
result = (*env)->NewByteArray(env, size + 1);
+ if (result != NULL) {
(*env)->SetByteArrayRegion(env, result, 0, size + 1, buffer);
+ }
free(buffer);
return result;
}
JNIEXPORT jbyteArray JNICALL Java_java_util_prefs_WindowsPreferences_WindowsRegEnumValue
@@ -199,18 +228,24 @@
int size = maxValueNameLength;
jbyteArray result;
char* buffer = NULL;
int error_code;
buffer = (char*)malloc(maxValueNameLength);
+ if (buffer == NULL) {
+ JNU_ThrowOutOfMemoryError(env, "native memory allocation failed");
+ return NULL;
+ }
error_code = RegEnumValue((HKEY) hKey, valueIndex, buffer,
&size, NULL, NULL, NULL, NULL);
if (error_code!= ERROR_SUCCESS){
free(buffer);
return NULL;
}
result = (*env)->NewByteArray(env, size + 1);
+ if (result != NULL) {
(*env)->SetByteArrayRegion(env, result, 0, size + 1, buffer);
+ }
free(buffer);
return result;
}