external/openurl/library/handler.c

   1 /***************************************************************************
   2
   3  openurl.library - universal URL display and browser launcher library
   4  Copyright (C) 1998-2005 by Troels Walsted Hansen, et al.
   5  Copyright (C) 2005-2013 by openurl.library Open Source Team
   6
   7  This library is free software; it has been placed in the public domain
   8  and you can freely redistribute it and/or modify it. Please note, however,
   9  that some components may be under the LGPL or GPL license.
  10
  11  This library is distributed in the hope that it will be useful,
  12  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14
  15  openurl.library project: http://sourceforge.net/projects/openurllib/
  16
  17  $Id$
  18
  19 ***************************************************************************/
  20
  21 #include "lib.h"
  22 #include "debug.h"
  23
  24 /***********************************************************************/
  25
  26 static BOOL localSendRexxMsg(struct MsgPort *reply, STRPTR rxport, STRPTR rxcmd)
  27 {
  28   BOOL success = FALSE;
  29   struct RexxMsg *rxmsg;
  30
  31   ENTER();
  32
  33   if((rxmsg = CreateRexxMsg(reply, NULL, NULL)) != NULL)
  34   {
  35     rxmsg->rm_Action = RXCOMM|RXFF_STRING|RXFF_NOIO;
  36
  37      if((rxmsg->rm_Args[0] = (IPTR)CreateArgstring(rxcmd,strlen(rxcmd))) != 0)
  38      {
  39        struct MsgPort *port;
  40
  41        Forbid();
  42
  43        if((port = FindPort(rxport)) != NULL)
  44        {
  45          PutMsg(port, (struct Message *)rxmsg);
  46
  47          success = TRUE;
  48        }
  49
  50        Permit();
  51
  52        if(success == FALSE)
  53          DeleteArgstring((APTR)rxmsg->rm_Args[0]);
  54      }
  55
  56      if(success == FALSE)
  57        DeleteRexxMsg(rxmsg);
  58   }
  59
  60   RETURN(success);
  61   return success;
  62 }
  63
  64 /**************************************************************************/
  65
  66 void SAVEDS handler(void)
  67 {
  68   struct Process *me = (struct Process *)FindTask(NULL);
  69   struct startMsg *smsg;
  70   struct MsgPort *port;
  71   BOOL res = FALSE;
  72
  73   ENTER();
  74
  75   WaitPort(&me->pr_MsgPort);
  76   smsg = (struct startMsg *)GetMsg(&me->pr_MsgPort);
  77
  78   #if defined(__amigaos4__)
  79   port = AllocSysObject(ASOT_PORT, TAG_DONE);
  80   #else
  81   port = CreateMsgPort();
  82   #endif
  83
  84   if(port != NULL)
  85     res = localSendRexxMsg(port, smsg->port, smsg->cmd);
  86
  87   smsg->res = res;
  88   ReplyMsg((struct Message *)smsg);
  89
  90   if(res == TRUE)
  91   {
  92     struct RexxMsg *rxmsg;
  93
  94     WaitPort(port);
  95     rxmsg = (struct RexxMsg *)GetMsg(port);
  96
  97     DeleteArgstring((APTR)rxmsg->rm_Args[0]);
  98     DeleteRexxMsg(rxmsg);
  99   }
 100
 101   if(port != NULL)
 102   {
 103     #if defined(__amigaos4__)
 104     FreeSysObject(ASOT_PORT, port);
 105     #else
 106     DeleteMsgPort(port);
 107     #endif
 108   }
 109
 110   ObtainSemaphore(&OpenURLBase->libSem);
 111   OpenURLBase->rexx_use--;
 112   ReleaseSemaphore(&OpenURLBase->libSem);
 113
 114   #if !defined(__amigaos4__)
 115   // all systems except OS4 should leave this function in forbidden state
 116   Forbid();
 117   #endif
 118
 119   LEAVE();
 120 }
 121
 122 /**************************************************************************/
 123