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/*
** Copyright (c) 2001-2005 Expat maintainers.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <dos/dos.h>
#include <proto/exec.h>
#define LIBNAME "expat.library"
#define LIBPRI 0
#define VERSION 4
#define REVISION 0
#define VSTRING "expat.library 4.0 (27.12.2005)" /* dd.mm.yyyy */
static const char* __attribute__((used)) verstag = "\0$VER: " VSTRING;
struct ExpatBase {
struct Library libNode;
uint16 pad;
BPTR SegList;
};
struct ExpatBase * libInit(struct ExpatBase *libBase, BPTR seglist, struct ExecIFace *ISys);
uint32 libObtain (struct LibraryManagerInterface *Self);
uint32 libRelease (struct LibraryManagerInterface *Self);
struct ExpatBase *libOpen (struct LibraryManagerInterface *Self, uint32 version);
BPTR libClose (struct LibraryManagerInterface *Self);
BPTR libExpunge (struct LibraryManagerInterface *Self);
static APTR lib_manager_vectors[] = {
libObtain,
libRelease,
NULL,
NULL,
libOpen,
libClose,
libExpunge,
NULL,
(APTR)-1,
};
static struct TagItem lib_managerTags[] = {
{ MIT_Name, (uint32)"__library" },
{ MIT_VectorTable, (uint32)lib_manager_vectors },
{ MIT_Version, 1 },
{ TAG_END, 0 }
};
extern void *main_vectors[];
static struct TagItem lib_mainTags[] = {
{ MIT_Name, (uint32)"main" },
{ MIT_VectorTable, (uint32)main_vectors },
{ MIT_Version, 1 },
{ TAG_END, 0 }
};
static APTR libInterfaces[] = {
lib_managerTags,
lib_mainTags,
NULL
};
static struct TagItem libCreateTags[] = {
{ CLT_DataSize, sizeof(struct ExpatBase) },
{ CLT_InitFunc, (uint32)libInit },
{ CLT_Interfaces, (uint32)libInterfaces },
{ TAG_END, 0 }
};
static struct Resident __attribute__((used)) lib_res = {
RTC_MATCHWORD, // rt_MatchWord
&lib_res, // rt_MatchTag
&lib_res+1, // rt_EndSkip
RTF_NATIVE | RTF_AUTOINIT, // rt_Flags
VERSION, // rt_Version
NT_LIBRARY, // rt_Type
LIBPRI, // rt_Pri
LIBNAME, // rt_Name
VSTRING, // rt_IdString
libCreateTags // rt_Init
};
struct Library *DOSLib = 0;
struct Library *UtilityBase = 0;
struct ExecIFace *IExec = 0;
struct DOSIFace *IDOS = 0;
struct UtilityIFace *IUtility = 0;
void _start()
{
}
struct ExpatBase *libInit(struct ExpatBase *libBase, BPTR seglist, struct ExecIFace *ISys)
{
libBase->libNode.lib_Node.ln_Type = NT_LIBRARY;
libBase->libNode.lib_Node.ln_Pri = LIBPRI;
libBase->libNode.lib_Node.ln_Name = LIBNAME;
libBase->libNode.lib_Flags = LIBF_SUMUSED|LIBF_CHANGED;
libBase->libNode.lib_Version = VERSION;
libBase->libNode.lib_Revision = REVISION;
libBase->libNode.lib_IdString = VSTRING;
libBase->SegList = seglist;
IExec = ISys;
DOSLib = OpenLibrary("dos.library", 51);
if ( DOSLib != 0 ) {
IDOS = (struct DOSIFace *)GetInterface(DOSLib, "main", 1, NULL);
if ( IDOS != 0 ) {
UtilityBase = OpenLibrary("utility.library", 51);
if ( UtilityBase != 0 ) {
IUtility = (struct UtilityIFace*)GetInterface(UtilityBase, "main", 1, NULL);
if ( IUtility != 0 ) {
return libBase;
}
CloseLibrary(UtilityBase);
}
DropInterface((struct Interface *)IDOS);
}
CloseLibrary(DOSLib);
}
return NULL;
}
uint32 libObtain( struct LibraryManagerInterface *Self )
{
++Self->Data.RefCount;
return Self->Data.RefCount;
}
uint32 libRelease( struct LibraryManagerInterface *Self )
{
--Self->Data.RefCount;
return Self->Data.RefCount;
}
struct ExpatBase *libOpen( struct LibraryManagerInterface *Self, uint32 version )
{
struct ExpatBase *libBase;
libBase = (struct ExpatBase *)Self->Data.LibBase;
++libBase->libNode.lib_OpenCnt;
libBase->libNode.lib_Flags &= ~LIBF_DELEXP;
return libBase;
}
BPTR libClose( struct LibraryManagerInterface *Self )
{
struct ExpatBase *libBase;
libBase = (struct ExpatBase *)Self->Data.LibBase;
--libBase->libNode.lib_OpenCnt;
if ( libBase->libNode.lib_OpenCnt ) {
return 0;
}
if ( libBase->libNode.lib_Flags & LIBF_DELEXP ) {
return (BPTR)Self->LibExpunge();
}
else {
return 0;
}
}
BPTR libExpunge( struct LibraryManagerInterface *Self )
{
struct ExpatBase *libBase;
BPTR result = 0;
libBase = (struct ExpatBase *)Self->Data.LibBase;
if (libBase->libNode.lib_OpenCnt == 0) {
Remove(&libBase->libNode.lib_Node);
result = libBase->SegList;
DropInterface((struct Interface *)IUtility);
CloseLibrary(UtilityBase);
DropInterface((struct Interface *)IDOS);
CloseLibrary(DOSLib);
DeleteLibrary(&libBase->libNode);
}
else {
libBase->libNode.lib_Flags |= LIBF_DELEXP;
}
return result;
}
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