static int ZIP_isArchive(const char *filename, int forWriting)
{
PHYSFS_uint32 sig;
int retval = 0;
void *in;
in = __PHYSFS_platformOpenRead(filename);
BAIL_IF_MACRO(in == NULL, NULL, 0);
/*
* The first thing in a zip file might be the signature of the
* first local file record, so it makes for a quick determination.
*/
if (readui32(in, &sig))
{
retval = (sig == ZIP_LOCAL_FILE_SIG);
if (!retval)
{
/*
* No sig...might be a ZIP with data at the start
* (a self-extracting executable, etc), so we'll have to do
* it the hard way...
*/
retval = (zip_find_end_of_central_dir(in, NULL) != -1);
} /* if */
} /* if */
__PHYSFS_platformClose(in);
return(retval);
} /* ZIP_isArchive */
PHYSFS_sint64 __PHYSFS_platformGetLastModTime(const char *fname)
{
PHYSFS_sint64 retval = -1;
WIN32_FILE_ATTRIBUTE_DATA attr;
int rc = 0;
memset(&attr, '\0', sizeof(attr));
/* GetFileAttributesEx didn't show up until Win98 and NT4. */
if ((pGetFileAttributesExW != NULL) || (pGetFileAttributesExA != NULL))
{
WCHAR *wstr;
UTF8_TO_UNICODE_STACK_MACRO(wstr, fname);
if (wstr != NULL) /* if NULL, maybe the fallback will work. */
{
if (pGetFileAttributesExW != NULL) /* NT/XP/Vista/etc system. */
rc = pGetFileAttributesExW(wstr, GetFileExInfoStandard, &attr);
else /* Win98/ME system */
{
const int len = (int)(wStrLen(wstr) + 1);
char *cp = (char *)__PHYSFS_smallAlloc(len);
if (cp != NULL)
{
WideCharToMultiByte(CP_ACP, 0, wstr, len, cp, len, 0, 0);
rc = pGetFileAttributesExA(cp, GetFileExInfoStandard, &attr);
__PHYSFS_smallFree(cp);
} /* if */
} /* else */
__PHYSFS_smallFree(wstr);
} /* if */
} /* if */
if (rc) /* had API entry point and it worked. */
{
/* 0 return value indicates an error or not supported */
if ((attr.ftLastWriteTime.dwHighDateTime != 0) ||
(attr.ftLastWriteTime.dwLowDateTime != 0))
{
retval = FileTimeToPhysfsTime(&attr.ftLastWriteTime);
} /* if */
} /* if */
/* GetFileTime() has been in the Win32 API since the start. */
if (retval == -1) /* try a fallback... */
{
FILETIME ft;
BOOL rc;
const char *err;
WinApiFile *f = (WinApiFile *)__PHYSFS_platformOpenRead(fname);
BAIL_IF_MACRO(f == NULL, NULL, -1)
rc = GetFileTime(f->handle, NULL, NULL, &ft);
err = winApiStrError();
CloseHandle(f->handle);
allocator.Free(f);
BAIL_IF_MACRO(!rc, err, -1);
retval = FileTimeToPhysfsTime(&ft);
} /* if */
return(retval);
} /* __PHYSFS_platformGetLastModTime */
static fvoid *WAD_openRead(dvoid *opaque, const char *fnm, int *fileExists)
{
WADinfo *info = ((WADinfo *) opaque);
WADfileinfo *finfo;
WADentry *entry;
entry = wad_find_entry(info, fnm);
*fileExists = (entry != NULL);
BAIL_IF_MACRO(entry == NULL, NULL, NULL);
finfo = (WADfileinfo *) allocator.Malloc(sizeof (WADfileinfo));
BAIL_IF_MACRO(finfo == NULL, ERR_OUT_OF_MEMORY, NULL);
finfo->handle = __PHYSFS_platformOpenRead(info->filename);
if ( (finfo->handle == NULL) ||
(!__PHYSFS_platformSeek(finfo->handle, entry->startPos)) )
{
allocator.Free(finfo);
return NULL;
} /* if */
finfo->curPos = 0;
finfo->entry = entry;
return finfo;
} /* WAD_openRead */
static int mvl_open(const char *filename, int forWriting,
void **fh, PHYSFS_uint32 *count)
{
PHYSFS_uint8 buf[4];
*fh = NULL;
BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, 0);
*fh = __PHYSFS_platformOpenRead(filename);
BAIL_IF_MACRO(*fh == NULL, NULL, 0);
if (__PHYSFS_platformRead(*fh, buf, 4, 1) != 1)
goto openMvl_failed;
if (memcmp(buf, "DMVL", 4) != 0)
{
__PHYSFS_setError(ERR_UNSUPPORTED_ARCHIVE);
goto openMvl_failed;
} /* if */
if (__PHYSFS_platformRead(*fh, count, sizeof (PHYSFS_uint32), 1) != 1)
goto openMvl_failed;
*count = PHYSFS_swapULE32(*count);
return 1;
openMvl_failed:
if (*fh != NULL)
__PHYSFS_platformClose(*fh);
*count = -1;
*fh = NULL;
return 0;
} /* mvl_open */
static int hog_open(const char *filename, int forWriting,
void **fh, PHYSFS_uint32 *count)
{
PHYSFS_uint8 buf[13];
PHYSFS_uint32 size;
PHYSFS_sint64 pos;
*count = 0;
*fh = NULL;
BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, 0);
*fh = __PHYSFS_platformOpenRead(filename);
BAIL_IF_MACRO(*fh == NULL, NULL, 0);
if (__PHYSFS_platformRead(*fh, buf, 3, 1) != 1)
goto openHog_failed;
if (memcmp(buf, "DHF", 3) != 0)
{
__PHYSFS_setError(ERR_UNSUPPORTED_ARCHIVE);
goto openHog_failed;
} /* if */
while( 1 )
{
if (__PHYSFS_platformRead(*fh, buf, 13, 1) != 1)
break; //eof here is ok
if (__PHYSFS_platformRead(*fh, &size, 4, 1) != 1)
goto openHog_failed;
size = PHYSFS_swapULE32(size);
(*count)++;
// Skip over entry
pos = __PHYSFS_platformTell(*fh);
if (pos == -1)
goto openHog_failed;
if (!__PHYSFS_platformSeek(*fh, pos + size))
goto openHog_failed;
}
// Rewind to start of entries
if (!__PHYSFS_platformSeek(*fh, 3))
goto openHog_failed;
return(1);
openHog_failed:
if (*fh != NULL)
__PHYSFS_platformClose(*fh);
*count = -1;
*fh = NULL;
return(0);
} /* hog_open */
static void *LZMA_openArchive(const char *name, int forWriting)
{
PHYSFS_uint64 len;
LZMAarchive *archive = NULL;
ISzAlloc allocImp;
ISzAlloc allocTempImp;
BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, NULL);
BAIL_IF_MACRO(!LZMA_isArchive(name,forWriting), ERR_UNSUPPORTED_ARCHIVE, 0);
archive = (LZMAarchive *) allocator.Malloc(sizeof (LZMAarchive));
BAIL_IF_MACRO(archive == NULL, ERR_OUT_OF_MEMORY, NULL);
archive->firstEntry = NULL;
archive->lastEntry = NULL;
if ((archive->stream.File = __PHYSFS_platformOpenRead(name)) == NULL)
{
allocator.Free(archive);
return NULL;
} /* if */
/* Prepare structs for 7z */
archive->stream.InStream.Read = SzFileReadImp;
archive->stream.InStream.Seek = SzFileSeekImp;
allocImp.Alloc = SzAllocPhysicsFS;
allocImp.Free = SzFreePhysicsFS;
allocTempImp.Alloc = SzAllocPhysicsFS;
allocTempImp.Free = SzFreePhysicsFS;
InitCrcTable();
SzArDbExInit(&archive->db);
if (lzma_err(SzArchiveOpen(&archive->stream.InStream, &archive->db,
&allocImp, &allocTempImp)) != SZ_OK)
{
__PHYSFS_platformClose(archive->stream.File);
allocator.Free(archive);
return NULL;
} /* if */
len = archive->db.Database.NumFolders * sizeof (LZMAfolder);
archive->folder = (LZMAfolder *) allocator.Malloc(len);
BAIL_IF_MACRO(archive->folder == NULL, ERR_OUT_OF_MEMORY, NULL);
/*
* Init with 0 so we know when a folder is already cached
* Values will be set by LZMA_read()
*/
memset(archive->folder, 0, (size_t) len);
return(archive);
} /* LZMA_openArchive */
static fvoid *HHA_openRead(dvoid *opaque, const char *fnm, int *fileExists)
{
HHAinfo *info = (HHAinfo *) opaque;
HHAfileinfo *finfo;
HHAentry *entry;
entry = HHA_find_entry(info, fnm);
*fileExists = (entry != NULL);
BAIL_IF_MACRO(entry == NULL, NULL, NULL);
finfo = (HHAfileinfo *) allocator.Malloc(sizeof (HHAfileinfo));
BAIL_IF_MACRO(finfo == NULL, ERR_OUT_OF_MEMORY, NULL);
memset(finfo, '\0', sizeof (HHAfileinfo));
finfo->handle = __PHYSFS_platformOpenRead(info->filename);
if ( (finfo->handle == NULL) ||
(!__PHYSFS_platformSeek(finfo->handle, entry->offset)) )
{
allocator.Free(finfo);
return(NULL);
} /* if */
finfo->entry = entry;
if (finfo->entry->compress == HHA_COMPRESS_ZLIB)
{
initializeZStream(&finfo->zlib_stream);
if (zlib_err(inflateInit2(&finfo->zlib_stream, -MAX_WBITS)) != Z_OK)
{
HHA_fileClose(finfo);
return(NULL);
} /* if */
finfo->buffer = (PHYSFS_uint8 *) allocator.Malloc(ZIP_READBUFSIZE);
if (finfo->buffer == NULL)
{
HHA_fileClose(finfo);
BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
} /* if */
} /* if */
return(finfo);
} /* HHA_openRead */
static int hha_open(const char *filename, int forWriting,
void **fh, PHYSFS_uint32 *filenameSize, PHYSFS_uint32 *count)
{
PHYSFS_uint32 magic[2];
*fh = NULL;
BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, 0);
*fh = __PHYSFS_platformOpenRead(filename);
BAIL_IF_MACRO(*fh == NULL, NULL, 0);
if (__PHYSFS_platformRead(*fh, magic, sizeof(PHYSFS_uint32), 2) != 2)
goto openHHA_failed;
magic[0] = PHYSFS_swapULE32(magic[0]);
magic[1] = PHYSFS_swapULE32(magic[1]);
if (!(magic[0] == HHA_FILE_MAGIC && magic[1] == HHA_FILE_VERSION))
{
__PHYSFS_setError(ERR_UNSUPPORTED_ARCHIVE);
goto openHHA_failed;
} /* if */
if (__PHYSFS_platformRead(*fh, filenameSize, sizeof (PHYSFS_uint32), 1) != 1)
goto openHHA_failed;
*filenameSize = PHYSFS_swapULE32(*filenameSize);
if (__PHYSFS_platformRead(*fh, count, sizeof (PHYSFS_uint32), 1) != 1)
goto openHHA_failed;
*count = PHYSFS_swapULE32(*count);
return(1);
openHHA_failed:
if (*fh != NULL)
__PHYSFS_platformClose(*fh);
*filenameSize = -1;
*count = -1;
*fh = NULL;
return(0);
} /* HHA_open */
static int LZMA_isArchive(const char *filename, int forWriting)
{
PHYSFS_uint8 sig[k7zSignatureSize];
PHYSFS_uint8 res;
void *in;
BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, 0);
in = __PHYSFS_platformOpenRead(filename);
BAIL_IF_MACRO(in == NULL, NULL, 0);
if (__PHYSFS_platformRead(in, sig, k7zSignatureSize, 1) != 1)
BAIL_MACRO(NULL, 0);
/* Test whether sig is the 7z signature */
res = TestSignatureCandidate(sig);
__PHYSFS_platformClose(in);
return res;
} /* LZMA_isArchive */
PHYSFS_sint64 __PHYSFS_platformGetLastModTime(const char *fname)
{
PHYSFS_sint64 retval = -1;
WIN32_FILE_ATTRIBUTE_DATA attrData;
memset(&attrData, '\0', sizeof (attrData));
/* GetFileAttributesEx didn't show up until Win98 and NT4. */
if (pGetFileAttributesEx != NULL)
{
if (pGetFileAttributesEx(fname, GetFileExInfoStandard, &attrData))
{
/* 0 return value indicates an error or not supported */
if ( (attrData.ftLastWriteTime.dwHighDateTime != 0) ||
(attrData.ftLastWriteTime.dwLowDateTime != 0) )
{
retval = FileTimeToPhysfsTime(&attrData.ftLastWriteTime);
} /* if */
} /* if */
} /* if */
/* GetFileTime() has been in the Win32 API since the start. */
if (retval == -1) /* try a fallback... */
{
FILETIME ft;
BOOL rc;
const char *err;
win32file *f = (win32file *) __PHYSFS_platformOpenRead(fname);
BAIL_IF_MACRO(f == NULL, NULL, -1)
rc = GetFileTime(f->handle, NULL, NULL, &ft);
err = win32strerror();
CloseHandle(f->handle);
free(f);
BAIL_IF_MACRO(!rc, err, -1);
retval = FileTimeToPhysfsTime(&ft);
} /* if */
return(retval);
} /* __PHYSFS_platformGetLastModTime */
static FileHandle *HOG_openRead(DirHandle *h, const char *fnm, int *fileExists)
{
HOGinfo *info = ((HOGinfo *) h->opaque);
FileHandle *retval;
HOGfileinfo *finfo;
HOGentry *entry;
entry = hog_find_entry(info, fnm);
*fileExists = (entry != NULL);
BAIL_IF_MACRO(entry == NULL, NULL, NULL);
retval = (FileHandle *) malloc(sizeof (FileHandle));
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
finfo = (HOGfileinfo *) malloc(sizeof (HOGfileinfo));
if (finfo == NULL)
{
free(retval);
BAIL_MACRO(ERR_OUT_OF_MEMORY, NULL);
} /* if */
finfo->handle = __PHYSFS_platformOpenRead(info->filename);
if ( (finfo->handle == NULL) ||
(!__PHYSFS_platformSeek(finfo->handle, entry->startPos)) )
{
free(finfo);
free(retval);
return(NULL);
} /* if */
finfo->curPos = 0;
finfo->entry = entry;
retval->opaque = (void *) finfo;
retval->funcs = &__PHYSFS_FileFunctions_HOG;
retval->dirHandle = h;
return(retval);
} /* HOG_openRead */
