[PATCH] Add const to input parameter for JNU_IsInstanceOfByName
Andrew Luo
andrewluotechnologies at outlook.com
Fri Aug 23 05:22:44 UTC 2019
Thanks for reviewing.
Can someone help sponsor/commit the patch for me?
Thanks,
-Andrew
diff -r 70fab3a8ff02 src/java.base/share/native/libjava/jni_util.c
--- a/src/java.base/share/native/libjava/jni_util.c Tue Jul 16 07:29:12 2019 +0900
+++ b/src/java.base/share/native/libjava/jni_util.c Mon Jul 15 16:07:35 2019 -0700
@@ -1096,7 +1096,7 @@
}
JNIEXPORT jint JNICALL
-JNU_IsInstanceOfByName(JNIEnv *env, jobject object, char* classname)
+JNU_IsInstanceOfByName(JNIEnv *env, jobject object, const char* classname)
{
jclass cls;
if ((*env)->EnsureLocalCapacity(env, 1) < 0)
diff -r 70fab3a8ff02 src/java.base/share/native/libjava/jni_util.h
--- a/src/java.base/share/native/libjava/jni_util.h Tue Jul 16 07:29:12 2019 +0900
+++ b/src/java.base/share/native/libjava/jni_util.h Mon Jul 15 16:07:35 2019 -0700
@@ -208,7 +208,7 @@
* has been thrown.
*/
JNIEXPORT jint JNICALL
-JNU_IsInstanceOfByName(JNIEnv *env, jobject object, char *classname);
+JNU_IsInstanceOfByName(JNIEnv *env, jobject object, const char *classname);
/* Get or set class and instance fields.
-----Original Message-----
From: Alan Bateman <Alan.Bateman at oracle.com>
Sent: Friday, July 19, 2019 4:03 AM
To: Andrew Luo <andrewluotechnologies at outlook.com>; core-libs-dev <core-libs-dev at openjdk.java.net>
Subject: Re: [PATCH] Add const to input parameter for JNU_IsInstanceOfByName
On 16/07/2019 00:10, Andrew Luo wrote:
> Hi Everyone,
>
> I'm making some const-correctness fixes to some downstream libraries that use JNU_* functions, and noticed that JNU_IsInstanceOfByName takes in the class name by char* instead of const char* when it does not need to modify the string. It would be useful to change this so that we don't have to (unnecessarily) const-cast every time and can safely pass string literals to this function. Patch is inline below - any comments/feedback welcome.
This looks okay to me.
-Alan.
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