/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2006 The ScummVM project
 * Copyright (C) 2002-2006 Chris Apers - PalmOS Backend
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-0/backends/PalmOS/Src/missing/ext_stdlib.c $
 * $Id: ext_stdlib.c 22862 2006-06-03 11:00:15Z chrilith $
 *
 */

#include <stdlib.h>

#define memNewChunkFlagAllowLarge	0x1000 
SysAppInfoPtr SysGetAppInfo(SysAppInfoPtr *uiAppPP, SysAppInfoPtr *actionCodeAppPP) SYS_TRAP(sysTrapSysGetAppInfo);

#ifdef PALMOS68K
long strtol(const char *s, char **endptr, int base) {
	// WARNING : only base = 10 supported
	long val = StrAToI(s);
	
	if (endptr) {
		Char str[maxStrIToALen];
		StrIToA(str, val);
		
		if (StrNCompare(s, str, StrLen(str)) == 0)
			*endptr = (char *)s + StrLen(str);
	}

	return val;
}
#endif

MemPtr __malloc(UInt32 size) {
	MemPtr newP = NULL;

	if (size <= 65000) {
		newP = MemPtrNew(size);
	} else {
		SysAppInfoPtr appInfoP;
		UInt16 ownerID;
		UInt16 attr;

		ownerID = ((SysAppInfoPtr)SysGetAppInfo(&appInfoP, &appInfoP))->memOwnerID; 
		attr	= ownerID|memNewChunkFlagAllowLarge|memNewChunkFlagNonMovable;

		newP = MemChunkNew(0, size, attr);
	}

	return newP;
}

MemPtr calloc(UInt32 nelem, UInt32 elsize) {
	MemPtr newP;
	UInt32 size = (nelem * elsize);

	newP = malloc(size);	// was MemGluePtrNew

	if (newP)
		MemSet(newP,size,0);

	return newP;
}

Err free(MemPtr memP) {
	if (memP)
		return MemPtrFree(memP);
	return memErrInvalidParam;
}

MemPtr realloc(MemPtr oldP, UInt32 size) {
	MemPtr newP;

	if (oldP != NULL)
		if (MemPtrResize(oldP, size) == 0)
			return oldP;

	newP = malloc(size);	// was MemPtrNew

	if (oldP!=NULL) {
		MemMove(newP,oldP,MemPtrSize(oldP));
		MemPtrFree(oldP);
	}

	return newP;
}

ErrJumpBuf stdlib_errJumpBuf;
#define ERR_MAGIC	0xDADA

void exit(Int16 status) {
	EventType event;
	event.eType = keyDownEvent;

	event.data.keyDown.chr = vchrLaunch;
	event.data.keyDown.modifiers = commandKeyMask;
#ifdef PALMOS_ARM
	SysEventAddUniqueToQueue(&event, 0, true);
#else
	EvtAddUniqueEventToQueue(&event, 0, true);
#endif

	ErrLongJump(stdlib_errJumpBuf, status == 0 ? 0xDADA : status);
}
