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Fixed error handling in 16-bit functions (untested).

This commit is contained in:
Alexandre Julliard 1999-01-31 15:05:28 +00:00
parent 0ad42fa789
commit 73e6d8cd40
1 changed files with 21 additions and 22 deletions
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43
misc/lzexpand.c
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@ -136,7 +136,10 @@ INT32 WINAPI LZStart32(void)
*/
HFILE16 WINAPI LZInit16( HFILE16 hfSrc )
{
return LZInit32( FILE_GetHandle32(hfSrc) );
HFILE32 ret = LZInit32( FILE_GetHandle32(hfSrc) );
if (IS_LZ_HANDLE(ret)) return ret;
if ((INT32)ret <= 0) return ret;
return hfSrc;
}
@ -449,19 +452,20 @@ LONG WINAPI LZSeek32( HFILE32 fd, LONG off, INT32 type )
*/
LONG WINAPI LZCopy16( HFILE16 src, HFILE16 dest )
{
HFILE32 oldsrc = src;
int usedlzinit = 0;
LONG ret;
/* already a LZ handle? */
if (IS_LZ_HANDLE(src)) return LZCopy32( src, FILE_GetHandle32(dest) );
if (!IS_LZ_HANDLE(src))
{
/* no, try to open one */
src = LZInit16(src);
if (src!=oldsrc) usedlzinit=1;
if (src>0xfff0) return 0;
}
ret = LZCopy32( src, FILE_GetHandle32(dest) );
if (usedlzinit) LZClose32(src);
if ((INT16)src <= 0) return 0;
if (IS_LZ_HANDLE(src))
{
LONG ret = LZCopy32( src, FILE_GetHandle32(dest) );
LZClose32( src );
return ret;
}
/* it was not a compressed file */
return LZCopy32( FILE_GetHandle32(src), FILE_GetHandle32(dest) );
}
@ -484,10 +488,8 @@ LONG WINAPI LZCopy32( HFILE32 src, HFILE32 dest )
TRACE(file,"(%d,%d)\n",src,dest);
if (!IS_LZ_HANDLE(src)) {
src = LZInit32(src);
if (src!=oldsrc)
usedlzinit=1;
if (src>0xfff0)
return 0;
if ((INT32)src <= 0) return 0;
if (src != oldsrc) usedlzinit=1;
}
/* not compressed? just copy */
@ -540,12 +542,10 @@ static LPSTR LZEXPAND_MangleName( LPCSTR fn )
*/
HFILE16 WINAPI LZOpenFile16( LPCSTR fn, LPOFSTRUCT ofs, UINT16 mode )
{
HFILE32 hfret;
hfret = LZOpenFile32A( fn, ofs, mode );
HFILE32 hfret = LZOpenFile32A( fn, ofs, mode );
/* return errors and LZ handles unmodified */
if (IS_LZ_HANDLE(hfret) || (hfret>=0xfff0) || (hfret<=0))
return hfret;
if ((INT32)hfret <= 0) return hfret;
if (IS_LZ_HANDLE(hfret)) return hfret;
/* but allocate a dos handle for 'normal' files */
return FILE_AllocDosHandle(hfret);
}
@ -574,8 +574,7 @@ HFILE32 WINAPI LZOpenFile32A( LPCSTR fn, LPOFSTRUCT ofs, UINT32 mode )
if (fd==HFILE_ERROR32)
return HFILE_ERROR32;
cfd=LZInit32(fd);
if (cfd<=0)
return fd;
if ((INT32)cfd <= 0) return fd;
return cfd;
}