src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c

*** 43,52 ****
--- 43,53 ----
  #include "java_net_SocketOptions.h"
  #include "java_net_NetworkInterface.h"
  
  #include "NetworkInterface.h"
  #include "jvm.h"
+ #include "jdk_strerror.h"
  #include "jni_util.h"
  #include "net_util.h"
  
  #define IN_CLASSD(i)    (((long)(i) & 0xf0000000) == 0xe0000000)
  #define IN_MULTICAST(i) IN_CLASSD(i)
*** 2166,2175 ****
--- 2167,2177 ----
  Java_java_net_TwoStacksPlainDatagramSocketImpl_socketGetOption(JNIEnv *env, jobject this,
                                                        jint opt) {
  
      int fd=-1, fd1=-1;
      int level, optname, optlen;
+     char buf[1024];
      union {
          int i;
      } optval = {0};
      int ipv6_supported = ipv6_available();
  
*** 2209,2220 ****
          fd = fd1; /* must be IPv6 only */
      }
  
      optlen = sizeof(optval.i);
      if (NET_GetSockOpt(fd, level, optname, (void *)&optval, &optlen) < 0) {
!         char errmsg[255];
!         sprintf(errmsg, "error getting socket option: %s\n", strerror(errno));
          JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", errmsg);
          return NULL;
      }
  
      switch (opt) {
--- 2211,2224 ----
          fd = fd1; /* must be IPv6 only */
      }
  
      optlen = sizeof(optval.i);
      if (NET_GetSockOpt(fd, level, optname, (void *)&optval, &optlen) < 0) {
!         int size = 0;
!         char errmsg[300];
!         jdk_strerror(errno, buf, (size_t) 255);
!         sprintf(errmsg, "error getting socket option: %s\n", buf);
          JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", errmsg);
          return NULL;
      }
  
      switch (opt) {