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Cleaned up the DOS port a bit.

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stainless
2001-08-29 03:39:25 +00:00
parent 85d5849d7e
commit dd8da1dcfd
4 changed files with 1259 additions and 1232 deletions
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657
zsnes/src/dos/zfile.c
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@@ -1,323 +1,334 @@
//Copyright (C) 1997-2001 ZSNES Team ( zsknight@zsnes.com / _demo_@zsnes.com )
//
//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., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <stdio.h>
#include <time.h>
#include <zlib.h>
#ifdef ZDOS
#include <dos.h>
#endif
#define DWORD unsigned int
#define BYTE unsigned char
FILE *FILEHANDLE[16];
DWORD CurrentHandle=0;
//Indicate whether the file must be opened using
//zlib or not (used for gzip support)
BYTE TextFile;
// ZFileSystemInit
// return 0
// ZOpenFile info :
BYTE * ZOpenFileName;
DWORD ZOpenMode;
// Open modes : 0 read/write in
// 1 write (create file, overwrite)
// return file handle if success, 0xFFFFFFFF if error
// ZCloseFile info :
DWORD ZCloseFileHandle;
// return 0
// ZFileSeek info :
DWORD ZFileSeekHandle;
DWORD ZFileSeekPos;
DWORD ZFileSeekMode; // 0 start, 1 end
// return 0
// ZFileReadBlock info :
BYTE * ZFileReadBlock;
DWORD ZFileReadSize;
DWORD ZFileReadHandle;
// return 0
// ZFileWriteBlock info :
BYTE * ZFileWriteBlock;
DWORD ZFileWriteSize;
DWORD ZFileWriteHandle;
// return 0
// ZFileTell
DWORD ZFileTellHandle;
// ZFileGetftime
BYTE * ZFFTimeFName;
DWORD ZFTimeHandle;
DWORD ZFDate;
DWORD ZFTime;
// MKDir/CHDir
BYTE * MKPath;
BYTE * CHPath;
BYTE * RMPath;
// GetDir
BYTE * DirName;
DWORD DriveNumber;
// ZFileDelete
BYTE * ZFileDelFName;
// return current position
DWORD ZFileSystemInit()
{
#ifdef __GZIP__
TextFile = 0;
#else
TextFile = 1;
#endif
CurrentHandle=0;
return(0);
}
DWORD ZOpenFile()
{
if(ZOpenMode==0)
{
if (TextFile)
FILEHANDLE[CurrentHandle]=fopen(ZOpenFileName,"rb");
else
FILEHANDLE[CurrentHandle]=(FILE *)gzopen(ZOpenFileName,"rb");
if(FILEHANDLE[CurrentHandle]!=NULL)
{
CurrentHandle+=1;
return(CurrentHandle-1);
}
return(0xFFFFFFFF);
}
if(ZOpenMode==1)
{
if (TextFile)
FILEHANDLE[CurrentHandle]=fopen(ZOpenFileName,"wb");
else
FILEHANDLE[CurrentHandle]=(FILE *)gzopen(ZOpenFileName,"wb");
if(FILEHANDLE[CurrentHandle]!=NULL)
{
CurrentHandle+=1;
return(CurrentHandle-1);
}
return(0xFFFFFFFF);
}
if(ZOpenMode==2)
{
if (TextFile)
FILEHANDLE[CurrentHandle]=fopen(ZOpenFileName,"r+b");
else
FILEHANDLE[CurrentHandle]=(FILE *)gzopen(ZOpenFileName,"r+b");
if(FILEHANDLE[CurrentHandle]!=NULL)
{
CurrentHandle+=1;
return(CurrentHandle-1);
}
return(0xFFFFFFFF);
}
return(0xFFFFFFFF);
}
DWORD ZCloseFile()
{
if (TextFile)
fclose(FILEHANDLE[ZCloseFileHandle]);
else
gzclose(FILEHANDLE[ZCloseFileHandle]);
CurrentHandle-=1;
return(0);
}
DWORD ZFileSeek()
{
int res = 0;
int mode = 0;
if (ZFileSeekMode==0)
mode = SEEK_SET;
else if (ZFileSeekMode==1) {
mode = SEEK_END;
if (TextFile==0)
printf("Warning : gzseek(SEEK_END) not supported");
} else return (0xFFFFFFFF);
if (TextFile) {
fseek(FILEHANDLE[ZFileSeekHandle], ZFileSeekPos, mode);
return 0;
} else {
gzseek(FILEHANDLE[ZFileSeekHandle], ZFileSeekPos, mode);
return 0;
}
return(0xFFFFFFFF);
}
DWORD ZFileRead()
{
if (TextFile)
return(fread(ZFileReadBlock,
1,
ZFileReadSize,
FILEHANDLE[ZFileReadHandle]));
else
return(gzread(FILEHANDLE[ZFileReadHandle],
ZFileReadBlock,
ZFileReadSize));
}
DWORD ZFileWrite()
{
int res=0;
if (TextFile)
res = fwrite(ZFileWriteBlock,
1,
ZFileWriteSize,
FILEHANDLE[ZFileWriteHandle]);
else
res = gzwrite(FILEHANDLE[ZFileWriteHandle],
ZFileWriteBlock,
ZFileWriteSize);
if (res!=ZFileWriteSize)
return(0xFFFFFFFF);
return(0);
}
DWORD ZFileTell()
{
int res = 0;
if (TextFile) {
res = ftell(FILEHANDLE[ZFileTellHandle]);
if (res == -1) fprintf(stderr, "Oups!! gzTell\n");
return(res);
} else return gztell(FILEHANDLE[ZFileTellHandle]);
}
DWORD ZFileDelete()
{
return(remove(ZFileDelFName));
}
DWORD ZFileGetFTime()
{
_dos_open(ZFFTimeFName, 0,&ZFTimeHandle);
_dos_getftime(ZFTimeHandle,&ZFDate,&ZFTime);
_dos_close(ZFTimeHandle);
return(0);
}
DWORD ZFileMKDir()
{
return(mkdir(MKPath));
}
DWORD ZFileCHDir()
{
return(chdir(CHPath));
}
DWORD ZFileRMDir()
{
return(rmdir(RMPath));
}
DWORD ZFileGetDir()
{
return(getcwd(DirName,128));
}
BYTE * ZFileFindPATH;
DWORD ZFileFindATTRIB;
DWORD DTALocPos;
//struct _find_t {
// char reserved[21] __attribute__((packed));
// unsigned char attrib __attribute__((packed));
// unsigned short wr_time __attribute__((packed));
// unsigned short wr_date __attribute__((packed));
// unsigned long size __attribute__((packed));
// char name[256] __attribute__((packed));
//};
DWORD ZFileFindFirst()
{
return(_dos_findfirst(ZFileFindPATH,ZFileFindATTRIB,DTALocPos));
}
DWORD ZFileFindNext()
{
return(_dos_findnext(DTALocPos));
}
DWORD ZFileFindEnd() // for compatibility with windows later
{
return(0);
}
//BYTE * DirName;
//DWORD DriveNumber;
//unsigned int _dos_findfirst(char *_name, unsigned int _attr, struct _find_t *_result);
//unsigned int _dos_findnext(struct _find_t *_result);
DWORD GetTime()
{
DWORD value;
struct tm *newtime;
time_t long_time;
time( &long_time );
newtime = localtime( &long_time );
value = ((newtime->tm_sec) % 10)+((newtime->tm_sec)/10)*16
+((((newtime->tm_min) % 10)+((newtime->tm_min)/10)*16) << 8)
+((((newtime->tm_hour) % 10)+((newtime->tm_hour)/10)*16) << 16);
return(value);
}
DWORD GetDate()
{
DWORD value;
struct tm *newtime;
time_t long_time;
time( &long_time );
newtime = localtime( &long_time );
value = ((newtime->tm_mday) % 10)+((newtime->tm_mday)/10)*16
+(((newtime->tm_mon)+1) << 8)
+((((newtime->tm_year) % 10)+((newtime->tm_year)/10)*16) << 16);
+((newtime->tm_wday) << 28);
return(value);
}
//Copyright (C) 1997-2001 ZSNES Team ( zsknight@zsnes.com / _demo_@zsnes.com )
//
//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., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <stdio.h>
#include <time.h>
#include <zlib.h>
#include <dos.h>
#include <fcntl.h>
#include <share.h>
#include <sys/stat.h>
#include <unistd.h>
/* #ifdef ZDOS
#include <dos.h>
#endif */
#define DWORD unsigned int
#define BYTE unsigned char
FILE *FILEHANDLE[16];
DWORD CurrentHandle=0;
//Indicate whether the file must be opened using
//zlib or not (used for gzip support)
BYTE TextFile;
// ZFileSystemInit
// return 0
// ZOpenFile info :
BYTE * ZOpenFileName;
DWORD ZOpenMode;
// Open modes : 0 read/write in
// 1 write (create file, overwrite)
// return file handle if success, 0xFFFFFFFF if error
// ZCloseFile info :
DWORD ZCloseFileHandle;
// return 0
// ZFileSeek info :
DWORD ZFileSeekHandle;
DWORD ZFileSeekPos;
DWORD ZFileSeekMode; // 0 start, 1 end
// return 0
// ZFileReadBlock info :
BYTE * ZFileReadBlock;
DWORD ZFileReadSize;
DWORD ZFileReadHandle;
// return 0
// ZFileWriteBlock info :
BYTE * ZFileWriteBlock;
DWORD ZFileWriteSize;
DWORD ZFileWriteHandle;
// return 0
// ZFileTell
DWORD ZFileTellHandle;
// ZFileGetftime
BYTE * ZFFTimeFName;
DWORD ZFTimeHandle;
DWORD ZFDate;
DWORD ZFTime;
// MKDir/CHDir
BYTE * MKPath;
BYTE * CHPath;
BYTE * RMPath;
// GetDir
BYTE * DirName;
DWORD DriveNumber;
// ZFileDelete
BYTE * ZFileDelFName;
// return current position
DWORD ZFileSystemInit()
{
#ifdef __GZIP__
TextFile = 0;
#else
TextFile = 1;
#endif
CurrentHandle=0;
return(0);
}
DWORD ZOpenFile()
{
if(ZOpenMode==0)
{
if (TextFile)
FILEHANDLE[CurrentHandle]=fopen(ZOpenFileName,"rb");
else
FILEHANDLE[CurrentHandle]=(FILE *)gzopen(ZOpenFileName,"rb");
if(FILEHANDLE[CurrentHandle]!=NULL)
{
CurrentHandle+=1;
return(CurrentHandle-1);
}
return(0xFFFFFFFF);
}
if(ZOpenMode==1)
{
if (TextFile)
FILEHANDLE[CurrentHandle]=fopen(ZOpenFileName,"wb");
else
FILEHANDLE[CurrentHandle]=(FILE *)gzopen(ZOpenFileName,"wb");
if(FILEHANDLE[CurrentHandle]!=NULL)
{
CurrentHandle+=1;
return(CurrentHandle-1);
}
return(0xFFFFFFFF);
}
if(ZOpenMode==2)
{
if (TextFile)
FILEHANDLE[CurrentHandle]=fopen(ZOpenFileName,"r+b");
else
FILEHANDLE[CurrentHandle]=(FILE *)gzopen(ZOpenFileName,"r+b");
if(FILEHANDLE[CurrentHandle]!=NULL)
{
CurrentHandle+=1;
return(CurrentHandle-1);
}
return(0xFFFFFFFF);
}
return(0xFFFFFFFF);
}
DWORD ZCloseFile()
{
if (TextFile)
fclose(FILEHANDLE[ZCloseFileHandle]);
else
gzclose(FILEHANDLE[ZCloseFileHandle]);
CurrentHandle-=1;
return(0);
}
DWORD ZFileSeek()
{
/*int res = 0;*/
int mode = 0;
if (ZFileSeekMode==0)
mode = SEEK_SET;
else if (ZFileSeekMode==1) {
mode = SEEK_END;
if (TextFile==0)
printf("Warning : gzseek(SEEK_END) not supported");
} else return (0xFFFFFFFF);
if (TextFile) {
fseek(FILEHANDLE[ZFileSeekHandle], ZFileSeekPos, mode);
return 0;
} else {
gzseek(FILEHANDLE[ZFileSeekHandle], ZFileSeekPos, mode);
return 0;
}
return(0xFFFFFFFF);
}
DWORD ZFileRead()
{
if (TextFile)
return(fread(ZFileReadBlock,
1,
ZFileReadSize,
FILEHANDLE[ZFileReadHandle]));
else
return(gzread(FILEHANDLE[ZFileReadHandle],
ZFileReadBlock,
ZFileReadSize));
}
DWORD ZFileWrite()
{
int res=0;
if (TextFile)
res = fwrite(ZFileWriteBlock,
1,
ZFileWriteSize,
FILEHANDLE[ZFileWriteHandle]);
else
res = gzwrite(FILEHANDLE[ZFileWriteHandle],
ZFileWriteBlock,
ZFileWriteSize);
if (res!=ZFileWriteSize)
return(0xFFFFFFFF);
return(0);
}
DWORD ZFileTell()
{
int res = 0;
if (TextFile) {
res = ftell(FILEHANDLE[ZFileTellHandle]);
if (res == -1) fprintf(stderr, "Oups!! gzTell\n");
return(res);
} else return gztell(FILEHANDLE[ZFileTellHandle]);
}
DWORD ZFileDelete()
{
return(remove(ZFileDelFName));
}
DWORD ZFileGetFTime()
{
_dos_open(ZFFTimeFName, 0,&ZFTimeHandle);
_dos_getftime(ZFTimeHandle,&ZFDate,&ZFTime);
_dos_close(ZFTimeHandle);
return(0);
}
DWORD ZFileMKDir()
{
/*return(mkdir(MKPath));*/
return (mkdir(MKPath, S_IWUSR));
}
DWORD ZFileCHDir()
{
return(chdir(CHPath));
}
DWORD ZFileRMDir()
{
return(rmdir(RMPath));
}
DWORD ZFileGetDir()
{
/*return(getcwd(DirName,128));*/
return(*getcwd(DirName,128));
}
BYTE * ZFileFindPATH;
DWORD ZFileFindATTRIB;
DWORD DTALocPos;
//struct _find_t {
// char reserved[21] __attribute__((packed));
// unsigned char attrib __attribute__((packed));
// unsigned short wr_time __attribute__((packed));
// unsigned short wr_date __attribute__((packed));
// unsigned long size __attribute__((packed));
// char name[256] __attribute__((packed));
//};
DWORD ZFileFindFirst()
{
/*return(_dos_findfirst(ZFileFindPATH,ZFileFindATTRIB,DTALocPos));*/
return(_dos_findfirst(ZFileFindPATH,ZFileFindATTRIB,((struct find_t *)DTALocPos)));
}
DWORD ZFileFindNext()
{
/*return(_dos_findnext(DTALocPos));*/
return(_dos_findnext(((struct find_t *) DTALocPos)));
}
DWORD ZFileFindEnd() // for compatibility with windows later
{
return(0);
}
//BYTE * DirName;
//DWORD DriveNumber;
//unsigned int _dos_findfirst(char *_name, unsigned int _attr, struct _find_t *_result);
//unsigned int _dos_findnext(struct _find_t *_result);
DWORD GetTime()
{
DWORD value;
struct tm *newtime;
time_t long_time;
time( &long_time );
newtime = localtime( &long_time );
value = ((newtime->tm_sec) % 10)+((newtime->tm_sec)/10)*16
+((((newtime->tm_min) % 10)+((newtime->tm_min)/10)*16) << 8)
+((((newtime->tm_hour) % 10)+((newtime->tm_hour)/10)*16) << 16);
return(value);
}
DWORD GetDate()
{
DWORD value;
struct tm *newtime;
time_t long_time;
/*time( &long_time );*/
long_time = time (NULL);
newtime = localtime( &long_time );
value = ((newtime->tm_mday) % 10)+((newtime->tm_mday)/10)*16
+(((newtime->tm_mon)+1) << 8)
+((((newtime->tm_year) % 10)+((newtime->tm_year)/10)*16) << 16);
+((newtime->tm_wday) << 28);
return(value);
}