/***********************************************************************
* LZCopy (KERNEL32.@)
*
* Copies everything from src to dest
* if src is a LZ compressed file, it will be uncompressed.
* will return the number of bytes written to dest or errors.
*/
LONG WINAPI LZCopy( HFILE src, HFILE dest )
{
int usedlzinit = 0, ret, wret;
LONG len;
HFILE oldsrc = src, srcfd;
FILETIME filetime;
struct lzstate *lzs;
#define BUFLEN 1000
CHAR buf[BUFLEN];
/* we need that weird typedef, for i can't seem to get function pointer
* casts right. (Or they probably just do not like WINAPI in general)
*/
typedef UINT (WINAPI *_readfun)(HFILE,LPVOID,UINT);
_readfun xread;
TRACE("(%d,%d)\n",src,dest);
if (!IS_LZ_HANDLE(src)) {
src = LZInit(src);
if ((INT)src <= 0) return 0;
if (src != oldsrc) usedlzinit=1;
}
/* not compressed? just copy */
if (!IS_LZ_HANDLE(src))
#ifdef __REACTOS__
xread=(_readfun)_hread; // ROSHACK
#else
xread=_lread;
#endif
else
/***********************************************************************
* LZInit (LZEXPAND.3)
*/
HFILE16 WINAPI LZInit16( HFILE16 hfSrc )
{
HFILE ret = LZInit( (HFILE)DosFileHandleToWin32Handle(hfSrc) );
if (IS_LZ_HANDLE(ret)) return ret;
if ((INT)ret <= 0) return ret;
return hfSrc;
}
/***********************************************************************
* LZCopy (KERNEL32.@)
*
* Copies everything from src to dest
* if src is a LZ compressed file, it will be uncompressed.
* will return the number of bytes written to dest or errors.
*/
LONG WINAPI LZCopy( HFILE src, HFILE dest )
{
int usedlzinit = 0, ret, wret;
LONG len;
HFILE oldsrc = src, srcfd;
FILETIME filetime;
struct lzstate *lzs;
#define BUFLEN 1000
CHAR buf[BUFLEN];
/* we need that weird typedef, for i can't seem to get function pointer
* casts right. (Or they probably just do not like WINAPI in general)
*/
typedef UINT (WINAPI *_readfun)(HFILE,LPVOID,UINT);
_readfun xread;
DPRINT("(%d,%d)\n",src,dest);
if (!IS_LZ_HANDLE(src)) {
src = LZInit(src);
if ((INT)src <= 0) return 0;
if (src != oldsrc) usedlzinit=1;
}
/* not compressed? just copy */
if (!IS_LZ_HANDLE(src))
xread=_lread;
else
xread=(_readfun)LZRead;
len=0;
while (1) {
ret=xread(src,buf,BUFLEN);
if (ret<=0) {
if (ret==0)
break;
if (ret==-1)
return LZERROR_READ;
return ret;
}
len += ret;
wret = _hwrite(dest,buf,ret);
if (wret!=ret)
return LZERROR_WRITE;
}
/* Maintain the timestamp of source file to destination file */
srcfd = (!(lzs = GET_LZ_STATE(src))) ? src : lzs->realfd;
GetFileTime( LongToHandle(srcfd), NULL, NULL, &filetime );
SetFileTime( LongToHandle(dest), NULL, NULL, &filetime );
/* close handle */
if (usedlzinit)
LZClose(src);
return len;
#undef BUFLEN
}
// @pymethod |win32lz|Init|Allocates memory for the internal data structures required to decompress files, and then creates and initializes them.
static PyObject *
PyLZInit(PyObject *self, PyObject *args)
{
int h;
if (!PyArg_ParseTuple(args, "i:Init", &h )) // @pyparm int|handle||handle of source file
return NULL;
// @pyseeapi LZInit
INT ret = LZInit(h);
if (ret<0)
return ReturnLZError("LZInit",ret);
return PyInt_FromLong(ret);
}
/***********************************************************************
* LZOpenFileA (KERNEL32.@)
*
* Opens a file. If not compressed, open it as a normal file.
*/
HFILE WINAPI LZOpenFileA( LPSTR fn, LPOFSTRUCT ofs, WORD mode )
{
HFILE fd,cfd;
DPRINT("(%s,%p,%d)\n",fn,ofs,mode);
/* 0x70 represents all OF_SHARE_* flags, ignore them for the check */
fd=OpenFile(fn,ofs,mode);
if (fd==HFILE_ERROR)
{
LPSTR mfn = LZEXPAND_MangleName(fn);
fd = OpenFile(mfn,ofs,mode);
RtlFreeHeap( GetProcessHeap(), 0, mfn );
}
if ((mode&~0x70)!=OF_READ)
return fd;
if (fd==HFILE_ERROR)
return HFILE_ERROR;
cfd=LZInit(fd);
if ((INT)cfd <= 0) return fd;
return cfd;
}
