modules/plugin/os2wrapper/util_debug.c

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is InnoTek Plugin Wrapper code.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * InnoTek Systemberatung GmbH.
  18  * Portions created by the Initial Developer are Copyright (C) 2003-2005
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   InnoTek Systemberatung GmbH / Knut St. Osmundsen
  23  *   Peter Weilbacher <mozilla@weilbacher.org>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 /*
  40  *  Debug Stuff.
  41  */
  42
  43 /*******************************************************************************
  44 *   Header Files                                                               *
  45 *******************************************************************************/
  46 #include <stdarg.h>
  47 #include <string.h>
  48 #include <stdio.h>
  49 #include <stdlib.h>
  50 #ifdef __IBMC__
  51 #include <builtin.h>
  52 #endif
  53
  54 #define INCL_BASE
  55 #include <os2.h>
  56
  57 #define INCL_DEBUGONLY
  58 #include "nsInnoTekPluginWrapper.h"
  59
  60 /*******************************************************************************
  61 *   Header Files                                                               *
  62 *******************************************************************************/
  63 static const char szPrefix[] = "ipluginw: ";
  64
  65
  66 /**
  67  * Writes to log.
  68  */
  69 int     npdprintf(const char *pszFormat, ...)
  70 {
  71     static int      fInited = 0;
  72     static FILE *   phFile;
  73     char    szMsg[4096];
  74     int     rc;
  75     va_list args;
  76
  77     strcpy(szMsg, szPrefix);
  78     rc = strlen(szMsg);
  79     va_start(args, pszFormat);
  80     rc += vsprintf(&szMsg[rc], pszFormat, args);
  81     va_end(args);
  82     if (rc > (int)sizeof(szMsg) - 32)
  83     {
  84         /* we're most likely toasted now. */
  85 #ifdef __IBMC__
  86         _interrupt(3);
  87 #else
  88         asm("int $3");
  89 #endif
  90     }
  91
  92     if (rc > 0 && szMsg[rc - 1] != '\n')
  93     {
  94         szMsg[rc++] = '\n';
  95         szMsg[rc] = '\0';
  96     }
  97
  98     fwrite(&szMsg[0], 1, rc, stderr);
  99     if (!fInited)
 100     {
 101         fInited = 1;
 102         phFile = fopen("ipluginw.log", "w");
 103         if (phFile)
 104         {
 105             DATETIME dt;
 106             DosGetDateTime(&dt);
 107             fprintf(phFile, "*** Log Opened on %04d-%02d-%02d %02d:%02d:%02d ***\n",
 108                     dt.year, dt.month, dt.day, dt.hours, dt.minutes, dt.seconds);
 109             fprintf(phFile, "*** Build Date: " __DATE__ " " __TIME__ " ***\n");
 110         }
 111     }
 112     if (phFile)
 113     {
 114         fwrite(&szMsg[0], 1, rc, phFile);
 115         fflush(phFile);
 116     }
 117
 118     return rc;
 119 }
 120
 121
 122 /**
 123  * Release int 3.
 124  */
 125 void _Optlink ReleaseInt3(unsigned uEAX, unsigned uEDX, unsigned uECX)
 126 {
 127 #ifdef __IBMC__
 128     _interrupt(3);
 129 #else
 130     asm("int $3");
 131 #endif
 132 }