/*
**      $VER: LibInit.c 1.0 (14.8.96)
**
**      Library initializers and functions to be called by StartUp.c
**
**      (C) Copyright 1996 Andreas R. Kleinert
**      All Rights Reserved.
**
**      Modified by Dirk Holtwick for DITO, 1996
*/

/// HEADER
#include <exec/types.h>
#include <exec/memory.h>
#include <exec/libraries.h>
#include <exec/execbase.h>
#include <exec/resident.h>
#include <exec/initializers.h>

#include <proto/exec.h>

#include "defs.h"
#include "base.h"

ULONG __saveds __stdargs L_OpenLibs(void);
void  __saveds __stdargs L_CloseLibs(void);

extern struct DitoExtBase *DitoExtBase;

extern ULONG DITO_OpenExtension(void);
extern void DITO_CloseExtension(void);

struct ExecBase      *SysBase       = NULL;
struct DosLibrary    *DOSBase       = NULL;
struct IntuitionBase *IntuitionBase = NULL;
struct GfxBase       *GfxBase       = NULL;

char __aligned ExLibName   [] = LIBNAME;
char __aligned ExLibID     [] = LIBID;
char __aligned AKCopyright [] = COPYRIGHT;

extern ULONG InitTab[];

extern APTR EndResident; /* below */

struct Resident ROMTag =
{
 RTC_MATCHWORD,
 &ROMTag,
 &EndResident,
 RTF_AUTOINIT,
 VERSION,
 NT_LIBRARY,
 REVISION,
 &ExLibName[0],
 &ExLibID[0],
 &InitTab[0]
};

APTR EndResident;

struct MyDataInit
{
 UWORD ainit1; UWORD binit1; UWORD ln_type;
 UBYTE ainit2; UBYTE binit2; ULONG ln_name2;
 UWORD ainit3; UWORD binit3; UWORD lib_flags;
 UWORD ainit4; UWORD binit4; UWORD lib_version;
 UWORD ainit5; UWORD binit5; UWORD lib_revision;
 UBYTE ainit6; UBYTE binit6; ULONG lib_idstring2;
 ULONG end;
} DataTab =
{
 INITBYTE(OFFSET(Node,         ln_Type),      NT_LIBRARY),
 0x80, (UBYTE) OFFSET(Node,    ln_Name),      (ULONG) &ExLibName[0],
 INITBYTE(OFFSET(Library,      lib_Flags),    LIBF_SUMUSED|LIBF_CHANGED),
 INITWORD(OFFSET(Library,      lib_Version),  VERSION),
 INITWORD(OFFSET(Library,      lib_Revision), REVISION),
 0x80, (UBYTE) OFFSET(Library, lib_IdString), (ULONG) &ExLibID[0],
 (ULONG) 0
};
///

/// L_OpenLibs()
ULONG __saveds __stdargs L_OpenLibs(void)
{
 SysBase = (*((struct ExecBase **) 4));

 DOSBase = (APTR) OpenLibrary("dos.library", 37);
 if(!DOSBase) return(FALSE);

 IntuitionBase = (APTR) OpenLibrary("intuition.library", 37);
 if(!IntuitionBase) return(FALSE);

 GfxBase = (APTR) OpenLibrary("graphics.library", 37);
 if(!GfxBase) return(FALSE);

 DitoExtBase->exb_DOSBase       = DOSBase;
 DitoExtBase->exb_IntuitionBase = IntuitionBase;
 DitoExtBase->exb_GfxBase       = GfxBase;

 return(DITO_OpenExtension());
}
///
/// L_CloseLibs()
void __saveds __stdargs L_CloseLibs(void)
{
 DITO_CloseExtension();
 if(GfxBase)               CloseLibrary((APTR) GfxBase);
 if(IntuitionBase)         CloseLibrary((APTR) IntuitionBase);
 if(DOSBase)               CloseLibrary((APTR) DOSBase);
}
///