Hi Koichi,

On 13/07/2020 08:03, Koichi Sakata wrote:
> I understand that. I respect your idea.
> I fixed the patch as follows.
The changes to NetworkInterface.c look good to me.

>
> By the way, k_standard.c still remains. Is there a way to proceed with it?

You'll need to find a reviewer that understands what that
method is supposed to do in that case, that's not me ;-)

best regards,

-- daniel

Thanks, > Koichi

===== PATCH =====
diff --git a/src/java.base/unix/native/libnet/NetworkInterface.c b/src/java.base/unix/native/libnet/NetworkInterface.c
--- a/src/java.base/unix/native/libnet/NetworkInterface.c
+++ b/src/java.base/unix/native/libnet/NetworkInterface.c
@@ -1296,7 +1296,8 @@
  static int getIndex(int sock, const char *name) {
      struct ifreq if2;
      memset((char *)&if2, 0, sizeof(if2));
-    strncpy(if2.ifr_name, name, sizeof(if2.ifr_name) - 1);
+    strncpy(if2.ifr_name, name, sizeof(if2.ifr_name));
+    if2.ifr_name[sizeof(if2.ifr_name) - 1] = 0;

      if (ioctl(sock, SIOCGIFINDEX, (char *)&if2) < 0) {
          return -1;
@@ -1359,7 +1360,8 @@
  static int getFlags(int sock, const char *ifname, int *flags) {
      struct ifreq if2;
      memset((char *)&if2, 0, sizeof(if2));
-    strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
+    strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name));
+    if2.ifr_name[sizeof(if2.ifr_name) - 1] = 0;

      if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) {
          return -1;
diff --git a/src/java.base/share/native/libfdlibm/k_standard.c b/src/java.base/share/native/libfdlibm/k_standard.c
--- a/src/java.base/share/native/libfdlibm/k_standard.c
+++ b/src/java.base/share/native/libfdlibm/k_standard.c
@@ -739,6 +739,10 @@
                          errno = EDOM;
                  }
                  break;
+            default:
+                exc.retval = zero;
+                errno = EINVAL;
+                break;
          }
          return exc.retval;
  }



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