342 lines
8.5 KiB
C
342 lines
8.5 KiB
C
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const char amiga_rcs[] = "$Id: amiga.c,v 1.12 2007/01/07 07:40:52 joergs Exp $";
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/*********************************************************************
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*
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* File : $Source: /cvsroot/ijbswa/current/amiga.c,v $
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*
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* Purpose : Amiga-specific declarations.
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*
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* Copyright : Written by and Copyright (C) 2001 the SourceForge
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* Privoxy team. http://www.privoxy.org/
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will
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* be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* The GNU General Public License should be included with
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* this file. If not, you can view it at
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* http://www.gnu.org/copyleft/gpl.html
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* or write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Revisions :
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* $Log: amiga.c,v $
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* Revision 1.12 2007/01/07 07:40:52 joergs
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* Added AmigaOS4 support and made it work on AmigaOS 3.x with current sources.
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*
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* Revision 1.11 2006/07/18 14:48:45 david__schmidt
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* Reorganizing the repository: swapping out what was HEAD (the old 3.1 branch)
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* with what was really the latest development (the v_3_0_branch branch)
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*
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* Revision 1.9 2002/03/26 22:29:54 swa
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* we have a new homepage!
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*
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* Revision 1.8 2002/03/25 19:32:15 joergs
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* Name in version string changed from junkbuster to Privoxy.
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*
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* Revision 1.7 2002/03/24 13:25:43 swa
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* name change related issues
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*
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* Revision 1.6 2002/03/09 20:03:52 jongfoster
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* - Making various functions return int rather than size_t.
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* (Undoing a recent change). Since size_t is unsigned on
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* Windows, functions like read_socket that return -1 on
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* error cannot return a size_t.
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*
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* THIS WAS A MAJOR BUG - it caused frequent, unpredictable
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* crashes, and also frequently caused JB to jump to 100%
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* CPU and stay there. (Because it thought it had just
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* read ((unsigned)-1) == 4Gb of data...)
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*
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* - The signature of write_socket has changed, it now simply
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* returns success=0/failure=nonzero.
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*
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* - Trying to get rid of a few warnings --with-debug on
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* Windows, I've introduced a new type "jb_socket". This is
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* used for the socket file descriptors. On Windows, this
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* is SOCKET (a typedef for unsigned). Everywhere else, it's
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* an int. The error value can't be -1 any more, so it's
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* now JB_INVALID_SOCKET (which is -1 on UNIX, and in
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* Windows it maps to the #define INVALID_SOCKET.)
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*
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* - The signature of bind_port has changed.
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*
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* Revision 1.5 2002/03/03 09:18:03 joergs
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* Made jumbjuster work on AmigaOS again.
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*
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* Revision 1.4 2001/10/07 15:35:13 oes
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* Replaced 6 boolean members of csp with one bitmap (csp->flags)
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*
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* Revision 1.3 2001/09/12 22:54:51 joergs
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* Stacksize of main thread increased.
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*
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* Revision 1.2 2001/05/23 00:13:58 joergs
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* AmigaOS support fixed.
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*
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* Revision 1.1.1.1 2001/05/15 13:58:46 oes
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* Initial import of version 2.9.3 source tree
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*
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*
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*********************************************************************/
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#include "config.h"
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#ifdef AMIGA
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#include <stdio.h>
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#include <signal.h>
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#include "project.h"
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const char amiga_h_rcs[] = AMIGA_H_VERSION;
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static char *ver USED = "$VER: Privoxy " __AMIGAVERSION__ " (" __AMIGADATE__ ")";
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#ifdef __amigaos4__
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static char *stack USED = "$STACK: 524288";
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#else
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unsigned long __stack = 100*1024;
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#endif
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struct Task *main_task = NULL;
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int childs = 0;
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void serve(struct client_state *csp);
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SAVEDS ULONG server_thread(void)
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{
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struct client_state *local_csp;
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struct UserData UserData;
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struct Task *me=FindTask(NULL);
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#ifdef __amigaos4__
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struct Library *SocketBase;
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#endif
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Wait(SIGF_SINGLE);
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local_csp=(struct client_state *)(me->tc_UserData);
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me->tc_UserData=&UserData;
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SocketBase=(APTR)OpenLibrary("bsdsocket.library",3);
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if (SocketBase)
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#ifdef __amigaos4__
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{
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ISocket = (struct SocketIFace *)GetInterface(SocketBase, "main", 1, NULL);
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}
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if (ISocket)
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#endif
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{
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SetErrnoPtr(&(UserData.eno),sizeof(int));
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local_csp->cfd=ObtainSocket(local_csp->cfd, AF_INET, SOCK_STREAM, 0);
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if(JB_INVALID_SOCKET!=local_csp->cfd)
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{
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Signal(main_task,SIGF_SINGLE);
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serve((struct client_state *) local_csp);
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} else {
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local_csp->flags &= ~CSP_FLAG_ACTIVE;
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Signal(main_task,SIGF_SINGLE);
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}
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#ifdef __amigaos4__
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DropInterface((struct Interface *)ISocket);
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#endif
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CloseLibrary(SocketBase);
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} else {
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#ifdef __amigaos4__
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CloseLibrary(SocketBase);
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#endif
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local_csp->flags &= ~CSP_FLAG_ACTIVE;
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Signal(main_task,SIGF_SINGLE);
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}
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childs--;
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return 0;
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}
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static BPTR olddir;
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void amiga_exit(void)
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{
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#ifdef __amigaos4__
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if (ISocket)
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#else
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if (SocketBase)
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#endif
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{
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#ifdef __amigaos4__
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struct Library *SocketBase = ISocket->Data.LibBase;
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DropInterface((struct Interface *)ISocket);
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#endif
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CloseLibrary(SocketBase);
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}
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CurrentDir(olddir);
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}
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#ifndef __amigaos4__
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static struct SignalSemaphore memsem;
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static struct SignalSemaphore *memsemptr = NULL;
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#endif
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static struct UserData GlobalUserData;
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void InitAmiga(void)
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{
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#ifdef __amigaos4__
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struct Library *SocketBase;
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#endif
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main_task = FindTask(NULL);
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main_task->tc_UserData = &GlobalUserData;
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if (((struct Library *)SysBase)->lib_Version < 39)
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{
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exit(RETURN_FAIL);
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}
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signal(SIGINT,SIG_IGN);
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SocketBase = (APTR)OpenLibrary("bsdsocket.library",3);
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#ifdef __amigaos4__
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if (SocketBase)
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{
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ISocket = (struct SocketIFace *)GetInterface(SocketBase, "main", 1, NULL);
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}
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if (!ISocket)
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#else
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if (!SocketBase)
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#endif
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{
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#ifdef __amigaos4__
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CloseLibrary(SocketBase);
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#endif
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fprintf(stderr, "Can't open bsdsocket.library V3+\n");
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exit(RETURN_ERROR);
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}
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SetErrnoPtr(&(GlobalUserData.eno),sizeof(int));
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#ifndef __amigaos4__
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InitSemaphore(&memsem);
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memsemptr = &memsem;
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#endif
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olddir=CurrentDir(GetProgramDir());
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atexit(amiga_exit);
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}
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#ifndef __amigaos4__
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#ifdef __GNUC__
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#ifdef libnix
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/* multithreadingsafe libnix replacements */
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static void *memPool=NULL;
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void *malloc (size_t s)
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{
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ULONG *mem;
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LONG size = s;
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if (size<=0)
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{
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return NULL;
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}
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if (!memPool)
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{
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if (!(memPool=CreatePool(MEMF_ANY,32*1024,8*1024)))
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{
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return NULL;
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}
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}
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size += sizeof(ULONG) + MEM_BLOCKMASK;
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size &= ~MEM_BLOCKMASK;
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if (memsemptr)
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{
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ObtainSemaphore(memsemptr);
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}
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if ((mem=AllocPooled(memPool,size)))
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{
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*mem++=size;
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}
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if (memsemptr)
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{
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ReleaseSemaphore(memsemptr);
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}
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return mem;
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}
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void free (void *m)
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{
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ULONG *mem = m;
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if(mem && memPool)
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{
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ULONG size=*--mem;
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if (memsemptr)
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{
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ObtainSemaphore(memsemptr);
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}
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FreePooled(memPool,mem,size);
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if (memsemptr)
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{
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ReleaseSemaphore(memsemptr);
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}
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}
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}
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void *realloc (void *old, size_t ns)
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{
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void *new;
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LONG osize, *o = old;
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LONG nsize = ns;
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if (!old)
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{
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return malloc(nsize);
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}
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osize = (*(o-1)) - sizeof(ULONG);
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if (nsize <= osize)
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{
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return old;
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}
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if ((new = malloc(nsize)))
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{
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ULONG *n = new;
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osize >>= 2;
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while(osize--)
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{
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*n++ = *o++;
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}
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free(old);
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}
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return new;
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}
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void __memCleanUp (void)
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{
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if (memsemptr)
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{
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ObtainSemaphore(memsemptr);
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}
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if (memPool)
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{
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DeletePool(memPool);
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}
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if (memsemptr)
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{
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ReleaseSemaphore(memsemptr);
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}
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}
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#define ADD2LIST(a,b,c) asm(".stabs \"_" #b "\"," #c ",0,0,_" #a )
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#define ADD2EXIT(a,pri) ADD2LIST(a,__EXIT_LIST__,22); \
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asm(".stabs \"___EXIT_LIST__\",20,0,0," #pri "+128")
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ADD2EXIT(__memCleanUp,-50);
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#elif !defined(ixemul)
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#error No libnix and no ixemul!?
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#endif /* libnix */
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#else
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#error Only GCC is supported, multithreading safe malloc/free required.
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#endif /* __GNUC__ */
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#endif /* !__amigaos4__ */
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#endif /* def AMIGA */
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