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_stdlib.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2005 The ScummVM project
 *
 * 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.
 *
 * $Header: /cvsroot/scummvm/scummvm/backends/PalmOS/Src/missing/_stdlib.cpp,v 1.12.2.1 2005/10/18 02:11:14 sev Exp $
 *
 */

#include <stdlib.h>

void *bsearch(const void *key, const void *base, UInt32 nmemb, UInt32 size, int (*compar)(const void *, const void *)) {
#ifdef PALMOS_68K
      Int32 position;
      if (SysBinarySearch(base, nmemb, size, (SearchFuncPtr)compar, key, 0, &position, true))
            return (void *)((UInt32)base + size * position);
#else
      for (int i = 0; i < nmemb; i++) 
            if (compar(key, (void*)((UInt32)base + size * i)) == 0)
                  return (void*)((UInt32)base + size * i);
#endif

      return NULL;
}

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;
}

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

      newP = MemGluePtrNew(size);

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

      MemPtr      newP = MemPtrNew(size);
      
      if (oldP!=NULL)
      {
            MemMove(newP,oldP,MemPtrSize(oldP));
            MemPtrFree(oldP);
      }     
      return newP;
}

ErrJumpBuf stdlib_errJumpBuf;
#define ERR_MAGIC 0xDADA

void exit(Int16 status) {
#ifdef PALMOS_68K
      EventType event;
      event.eType = keyDownEvent;
#else
      SysEventType event;
      event.eType = sysEventKeyDownEvent;
#endif
      event.data.keyDown.chr = vchrLaunch;
      event.data.keyDown.modifiers = commandKeyMask;
      EvtAddUniqueEventToQueue(&event, 0, true);

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

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