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fceux/general.cpp

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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Xodnizel
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
//#include <unistd.h> //mbg merge 7/17/06 - removed
#include "types.h"
#include "fceu.h"
#include "general.h"
#include "state.h"
#include "movie.h"
#include "driver.h"
#include "md5.h"
static char BaseDirectory[2048];
char FileBase[2048];
static char FileExt[2048]; /* Includes the . character, as in ".nes" */
static char FileBaseDirectory[2048];
void FCEUI_SetBaseDirectory(char *dir)
{
strncpy(BaseDirectory,dir,2047);
BaseDirectory[2047]=0;
}
static char *odirs[FCEUIOD__COUNT]={0,0,0,0,0}; // odirs, odors. ^_^
void FCEUI_SetDirOverride(int which, char *n)
{
// FCEU_PrintError("odirs[%d]=%s->%s", which, odirs[which], n);
if(which < FCEUIOD__COUNT)
odirs[which]=n;
if(FCEUGameInfo) /* Rebuild cache of present states/movies. */
{
if(which==FCEUIOD_STATE)
FCEUSS_CheckStates();
else if(which == FCEUIOD_MISC)
FCEUMOV_CheckMovies();
}
}
// XXX commented out for now... Linux has asprintf()
// #ifndef HAVE_ASPRINTF
// static int asprintf(char **strp, const char *fmt, ...)
// {
// va_list ap;
// int ret;
// va_start(ap,fmt);
// if(!(*strp=(char*)malloc(2048))) //mbg merge 7/17/06 cast to char*
// return(0);
// ret=vsnprintf(*strp,2048,fmt,ap);
// va_end(ap);
// return(ret);
// }
// #endif
char* FCEU_GetPath(int type)
{
char *ret=0;
switch(type)
{
case FCEUMKF_STATE:if(odirs[FCEUIOD_STATE])
ret=strdup(odirs[FCEUIOD_STATE]);
else
asprintf(&ret,"%s"PSS"movie",BaseDirectory);
break;
case FCEUMKF_MOVIE:if(odirs[FCEUIOD_MISC])
ret=strdup(odirs[FCEUIOD_MISC]);
else
asprintf(&ret,"%s"PSS"movie",BaseDirectory);
break;
}
return(ret);
}
char *FCEU_MakePath(int type, const char* filebase)
{
char *ret=0;
switch(type)
{
case FCEUMKF_MOVIE:if(odirs[FCEUIOD_MISC])
asprintf(&ret,"%s"PSS"%s",odirs[FCEUIOD_MISC],filebase);
else
asprintf(&ret,"%s"PSS"movie"PSS"%s",BaseDirectory,filebase);
break;
}
return(ret);
}
char *FCEU_MakeFName(int type, int id1, char *cd1)
{
char *ret=0;
struct stat tmpstat;
switch(type)
{
case FCEUMKF_NPTEMP: asprintf(&ret,"%s"PSS"m590plqd94fo.tmp",BaseDirectory);break;
case FCEUMKF_MOVIE:if(id1>=0)
{
if(odirs[FCEUIOD_MISC])
asprintf(&ret,"%s"PSS"%s.%d.fcm",odirs[FCEUIOD_MISC],FileBase,id1);
else
asprintf(&ret,"%s"PSS"movie"PSS"%s.%d.fcm",BaseDirectory,FileBase,id1);
if(stat(ret,&tmpstat)==-1)
{
if(odirs[FCEUIOD_MISC])
asprintf(&ret,"%s"PSS"%s.%d.fcm",odirs[FCEUIOD_MISC],FileBase,id1);
else
asprintf(&ret,"%s"PSS"movie"PSS"%s.%d.fcm",BaseDirectory,FileBase,id1);
}
}
else
{
if(odirs[FCEUIOD_MISC])
asprintf(&ret,"%s"PSS"%s.fcm",odirs[FCEUIOD_MISC],FileBase);
else
asprintf(&ret,"%s"PSS"movie"PSS"%s.fcm",BaseDirectory,FileBase);
}
break;
case FCEUMKF_STATE:
if(odirs[FCEUIOD_STATE])
{
asprintf(&ret,"%s"PSS"%s.fc%d",odirs[FCEUIOD_STATE],FileBase,id1);
}
else
{
asprintf(&ret,"%s"PSS"fcs"PSS"%s.fc%d",BaseDirectory,FileBase,id1);
}
if(stat(ret,&tmpstat)==-1)
{
if(odirs[FCEUIOD_STATE])
{
asprintf(&ret,"%s"PSS"%s.fc%d",odirs[FCEUIOD_STATE],FileBase,id1);
}
else
{
asprintf(&ret,"%s"PSS"fcs"PSS"%s.fc%d",BaseDirectory,FileBase,id1);
}
}
break;
case FCEUMKF_SNAP:
if(FSettings.SnapName)
{
if(odirs[FCEUIOD_SNAPS])
asprintf(&ret,"%s"PSS"%s-%d.%s",odirs[FCEUIOD_SNAPS],FileBase,id1,cd1);
else
asprintf(&ret,"%s"PSS"snaps"PSS"%s-%d.%s",BaseDirectory,FileBase,id1,cd1);
}
else
{
if(odirs[FCEUIOD_SNAPS])
asprintf(&ret,"%s"PSS"%d.%s",odirs[FCEUIOD_SNAPS],id1,cd1);
else
asprintf(&ret,"%s"PSS"snaps"PSS"%d.%s",BaseDirectory,id1,cd1);
}
break;
case FCEUMKF_FDS:if(odirs[FCEUIOD_NV])
asprintf(&ret,"%s"PSS"%s.fds",odirs[FCEUIOD_NV],FileBase);
else
asprintf(&ret,"%s"PSS"sav"PSS"%s.fds",BaseDirectory,FileBase);
break;
case FCEUMKF_SAV:if(odirs[FCEUIOD_NV])
asprintf(&ret,"%s"PSS"%s.%s",odirs[FCEUIOD_NV],FileBase,cd1);
else
asprintf(&ret,"%s"PSS"sav"PSS"%s.%s",BaseDirectory,FileBase,cd1);
if(stat(ret,&tmpstat)==-1)
{
if(odirs[FCEUIOD_NV])
asprintf(&ret,"%s"PSS"%s.%s",odirs[FCEUIOD_NV],FileBase,cd1);
else
asprintf(&ret,"%s"PSS"sav"PSS"%s.%s",BaseDirectory,FileBase,cd1);
}
break;
case FCEUMKF_REWINDSTATE:
if(odirs[FCEUIOD_STATE])
{
asprintf(&ret,"%s"PSS"rewind%d.fcs",odirs[FCEUIOD_STATE],id1);
}
else
{
asprintf(&ret,"%s"PSS"fcs"PSS"rewind%d.fcs",BaseDirectory,id1);
}
if(stat(ret,&tmpstat)==-1)
{
if(odirs[FCEUIOD_STATE])
{
asprintf(&ret,"%s"PSS"rewind%d.fcs",odirs[FCEUIOD_STATE],id1);
}
else
{
asprintf(&ret,"%s"PSS"fcs"PSS"rewind%d.fcs",BaseDirectory,id1);
}
}
break;
case FCEUMKF_CHEAT:
if(odirs[FCEUIOD_CHEATS])
asprintf(&ret,"%s"PSS"%s.cht",odirs[FCEUIOD_CHEATS],FileBase);
else
asprintf(&ret,"%s"PSS"cheats"PSS"%s.cht",BaseDirectory,FileBase);
break;
case FCEUMKF_IPS: asprintf(&ret,"%s"PSS"%s%s.ips",FileBaseDirectory,FileBase,FileExt);
break;
case FCEUMKF_GGROM:asprintf(&ret,"%s"PSS"gg.rom",BaseDirectory);break;
case FCEUMKF_FDSROM:asprintf(&ret,"%s"PSS"disksys.rom",BaseDirectory);break;
case FCEUMKF_PALETTE:
if(odirs[FCEUIOD_MISC])
asprintf(&ret,"%s"PSS"%s.pal",odirs[FCEUIOD_MISC],FileBase);
else
asprintf(&ret,"%s"PSS"%s.pal",BaseDirectory,FileBase);
break;
case FCEUMKF_MOVIEGLOB:
if(odirs[FCEUIOD_MISC])
// asprintf(&ret,"%s"PSS"%s*.fcm",odirs[FCEUIOD_MISC],FileBase);
asprintf(&ret,"%s"PSS"*.???",odirs[FCEUIOD_MISC]);
else
// asprintf(&ret,"%s"PSS"fcs"PSS"%s*.fcm",BaseDirectory,FileBase);
asprintf(&ret,"%s"PSS"movie"PSS"*.???",BaseDirectory);
break;
case FCEUMKF_MOVIEGLOB2:
asprintf(&ret,"%s"PSS"*.???",BaseDirectory);
break;
case FCEUMKF_STATEGLOB:
if(odirs[FCEUIOD_STATE])
asprintf(&ret,"%s"PSS"%s*.fc?",odirs[FCEUIOD_STATE],FileBase);
else
asprintf(&ret,"%s"PSS"fcs"PSS"%s*.fc?",BaseDirectory,FileBase);
break;
}
return(ret);
}
void GetFileBase(const char *f)
{
const char *tp1,*tp3;
#if PSS_STYLE==4
tp1=((char *)strrchr(f,':'));
#elif PSS_STYLE==1
tp1=((char *)strrchr(f,'/'));
#else
tp1=((char *)strrchr(f,'\\'));
#if PSS_STYLE!=3
tp3=((char *)strrchr(f,'/'));
if(tp1<tp3) tp1=tp3;
#endif
#endif
if(!tp1)
{
tp1=f;
strcpy(FileBaseDirectory,".");
}
else
{
memcpy(FileBaseDirectory,f,tp1-f);
FileBaseDirectory[tp1-f]=0;
tp1++;
}
if(((tp3=strrchr(f,'.'))!=NULL) && (tp3>tp1))
{
memcpy(FileBase,tp1,tp3-tp1);
FileBase[tp3-tp1]=0;
strcpy(FileExt,tp3);
}
else
{
strcpy(FileBase,tp1);
FileExt[0]=0;
}
}
uint32 uppow2(uint32 n)
{
int x;
for(x=31;x>=0;x--)
if(n&(1<<x))
{
if((1<<x)!=n)
return(1<<(x+1));
break;
}
return n;
}
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