1 /*
   2  * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * A class to manage AccessBridge debugging
  28  */
  29 
  30 #include "AccessBridgeDebug.h"
  31 #include <stdarg.h>
  32 #include <stdio.h>
  33 #include <windows.h>
  34 
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38 
  39 /**
  40  * print a GetLastError message
  41  */
  42 char *printError(char *msg) {
  43     LPVOID lpMsgBuf = NULL;
  44     static char retbuf[256];
  45 
  46     if (msg != NULL) {
  47         strncpy((char *)retbuf, msg, sizeof(retbuf));
  48         // if msg text is >= 256 ensure buffer is null terminated
  49         retbuf[255] = '\0';
  50     }
  51     if (!FormatMessage(
  52                        FORMAT_MESSAGE_ALLOCATE_BUFFER |
  53                        FORMAT_MESSAGE_FROM_SYSTEM |
  54                        FORMAT_MESSAGE_IGNORE_INSERTS,
  55                        NULL,
  56                        GetLastError(),
  57                        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
  58                        (LPTSTR) &lpMsgBuf,
  59                        0,
  60                        NULL ))
  61         {
  62             PrintDebugString("  %s: FormatMessage failed", msg);
  63         } else {
  64             PrintDebugString("  %s: %s", msg, (char *)lpMsgBuf);
  65         }
  66     if (lpMsgBuf != NULL) {
  67         strncat((char *)retbuf, ": ", sizeof(retbuf) - strlen(retbuf) - 1);
  68         strncat((char *)retbuf, (char *)lpMsgBuf, sizeof(retbuf) - strlen(retbuf) - 1);
  69     }
  70     return (char *)retbuf;
  71 }
  72 
  73 
  74     /**
  75      * Send debugging info to the appropriate place
  76      */
  77     void PrintDebugString(char *msg, ...) {
  78 #ifdef DEBUGGING_ON
  79         char buf[1024];
  80         va_list argprt;
  81 
  82         va_start(argprt, msg);     // set up argptr
  83         vsprintf(buf, msg, argprt);
  84 #ifdef SEND_TO_OUTPUT_DEBUG_STRING
  85         OutputDebugString(buf);
  86 #endif
  87 #ifdef SEND_TO_CONSOLE
  88         printf(buf);
  89         printf("\r\n");
  90 #endif
  91 #endif
  92     }
  93 
  94     /**
  95      * Send Java debugging info to the appropriate place
  96      */
  97     void PrintJavaDebugString2(char *msg, ...) {
  98 #ifdef JAVA_DEBUGGING_ON
  99         char buf[1024];
 100         va_list argprt;
 101 
 102         va_start(argprt, msg);     // set up argptr
 103         vsprintf(buf, msg, argprt);
 104 #ifdef SEND_TO_OUTPUT_DEBUG_STRING
 105         OutputDebugString(buf);
 106 #endif
 107 #ifdef SEND_TO_CONSOLE
 108         printf(buf);
 109         printf("\r\n");
 110 #endif
 111 #endif
 112     }
 113     /**
 114      * Wide version of the method to send debugging info to the appropriate place
 115      */
 116     void wPrintDebugString(wchar_t *msg, ...) {
 117 #ifdef DEBUGGING_ON
 118         char buf[1024];
 119         char charmsg[256];
 120         va_list argprt;
 121 
 122         va_start(argprt, msg);          // set up argptr
 123         sprintf(charmsg, "%ls", msg);  // convert format string to multi-byte
 124         vsprintf(buf, charmsg, argprt);
 125 #ifdef SEND_TO_OUTPUT_DEBUG_STRING
 126         OutputDebugString(buf);
 127 #endif
 128 #ifdef SEND_TO_CONSOLE
 129         printf(buf);
 130         printf("\r\n");
 131 #endif
 132 #endif
 133     }
 134 
 135     /**
 136      * Wide version of the method to send Java debugging info to the appropriate place
 137      */
 138     void wPrintJavaDebugString(wchar_t *msg, ...) {
 139 #ifdef JAVA_DEBUGGING_ON
 140         char buf[1024];
 141         char charmsg[256];
 142         va_list argprt;
 143 
 144         va_start(argprt, msg);          // set up argptr
 145         sprintf(charmsg, "%ls", msg);  // convert format string to multi-byte
 146         vsprintf(buf, charmsg, argprt);
 147 #ifdef SEND_TO_OUTPUT_DEBUG_STRING
 148         OutputDebugString(buf);
 149 #endif
 150 #ifdef SEND_TO_CONSOLE
 151         printf(buf);
 152         printf("\r\n");
 153 #endif
 154 #endif
 155     }
 156 #ifdef __cplusplus
 157 }
 158 #endif