src/java.base/windows/native/libjava/ProcessHandleImpl_win.c

*** 1,7 ****
  /*
!  * Copyright (c) 2014, 2015, 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
--- 1,7 ----
  /*
!  * Copyright (c) 2014, 2020, 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
*** 467,486 ****
          JNU_CHECK_EXCEPTION(env);
      }
  }
  
  static void getCmdlineInfo(JNIEnv *env, HANDLE handle, jobject jinfo) {
!     char exeName[1024];
!     int bufsize = sizeof exeName;
!     jstring commandObj;
! 
!     if (QueryFullProcessImageName(handle, 0,  exeName, &bufsize)) {
!         commandObj = (*env)->NewStringUTF(env, exeName);
          CHECK_NULL(commandObj);
          (*env)->SetObjectField(env, jinfo,
                                 ProcessHandleImpl_Info_commandID, commandObj);
-     }
  }
  
  static void procToUser(JNIEnv *env, HANDLE handle, jobject jinfo) {
  #define TOKEN_LEN 256
      DWORD token_len = TOKEN_LEN;
--- 467,498 ----
          JNU_CHECK_EXCEPTION(env);
      }
  }
  
  static void getCmdlineInfo(JNIEnv *env, HANDLE handle, jobject jinfo) {
!     WCHAR exeName[1024];
!     WCHAR *longPath;
!     DWORD bufsize = sizeof(exeName)/sizeof(WCHAR);
!     jstring commandObj = NULL;
! 
!     if (QueryFullProcessImageNameW(handle, 0,  exeName, &bufsize)) {
!         commandObj = (*env)->NewString(env, (const jchar *)exeName,
!                                        (jsize)wcslen(exeName));
!     } else if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
!         bufsize = 32768;
!         longPath = (WCHAR*)malloc(bufsize * sizeof(WCHAR));
!         if (longPath != NULL) {
!             if (QueryFullProcessImageNameW(handle, 0, longPath, &bufsize)) {
!                 commandObj = (*env)->NewString(env, (const jchar *)longPath,
!                                                (jsize)wcslen(longPath));
!             }
!             free(longPath);
!         }
!     }
      CHECK_NULL(commandObj);
      (*env)->SetObjectField(env, jinfo,
                             ProcessHandleImpl_Info_commandID, commandObj);
  }
  
  static void procToUser(JNIEnv *env, HANDLE handle, jobject jinfo) {
  #define TOKEN_LEN 256
      DWORD token_len = TOKEN_LEN;