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fceux
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fix gzip in windows...

This commit is contained in:
zeromus 2008-08-13 08:24:04 +00:00
parent 73388b53f5
commit 4d0086e899
1 changed files with 41 additions and 0 deletions
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41
src/file.cpp
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@ -25,6 +25,7 @@
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fstream>
#ifndef WIN32
#include <zlib.h>
@ -209,12 +210,50 @@ FCEUFILE * FCEU_fopen(const char *path, const char *ipsfn, char *mode, char *ext
ArchiveScanRecord asr = FCEUD_ScanArchive(fileToOpen);
if(asr.numFiles == 0)
{
trygzip:
//if the archive contained no files, try to open it the old fashioned way
std::fstream* fp = FCEUD_UTF8_fstream(fileToOpen,mode);
if(!fp)
{
return 0;
}
//try to read a gzipped file
{
uint32 magic;
magic = fp->get();
magic|=fp->get()<<8;
magic|=fp->get()<<16;
if(magic==0x088b1f) {
// maybe gzip...
void* gzfile = gzopen(fileToOpen.c_str(),"rb");
if(gzfile) {
delete fp;
int size;
for(size=0; gzgetc(gzfile) != EOF; size++) {}
memorystream* ms = new memorystream(size);
gzseek(gzfile,0,SEEK_SET);
gzread(gzfile,ms->buf(),size);
gzclose(gzfile);
fceufp = new FCEUFILE();
fceufp->filename = fileToOpen;
fceufp->logicalPath = fileToOpen;
fceufp->fullFilename = fileToOpen;
fceufp->archiveIndex = -1;
fceufp->stream = ms;
fceufp->size = size;
goto applyips;
}
}
}
fceufp = new FCEUFILE();
fceufp->filename = fileToOpen;
fceufp->logicalPath = fileToOpen;
@ -237,6 +276,8 @@ FCEUFILE * FCEU_fopen(const char *path, const char *ipsfn, char *mode, char *ext
else
fceufp = FCEUD_OpenArchive(asr, archive, &fname);
if(!fceufp) goto trygzip;
FileBaseInfo fbi = DetermineFileBase(fileToOpen);
fceufp->logicalPath = fbi.filebasedirectory + fceufp->filename;
goto applyips;