lzexpand.h File Reference

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Macros
#define	LZERROR_BADINHANDLE   (-1)
#define	LZERROR_BADOUTHANDLE   (-2)
#define	LZERROR_READ   (-3)
#define	LZERROR_WRITE   (-4)
#define	LZERROR_GLOBALLOC   (-5)
#define	LZERROR_GLOBLOCK   (-6)
#define	LZERROR_BADVALUE   (-7)
#define	LZERROR_UNKNOWNALG   (-8)
#define	GetExpandedName   GetExpandedNameA
#define	LZOpenFile   LZOpenFileA

Functions
LONG WINAPI	CopyLZFile (INT, INT)
INT WINAPI	GetExpandedNameA (LPSTR, LPSTR)
INT WINAPI	GetExpandedNameW (LPWSTR, LPWSTR)
VOID APIENTRY	LZClose (INT)
LONG APIENTRY	LZCopy (INT, INT)
VOID WINAPI	LZDone (VOID)
INT WINAPI	LZInit (INT)
INT WINAPI	LZOpenFileA (LPSTR, LPOFSTRUCT, WORD)
INT WINAPI	LZOpenFileW (LPWSTR, LPOFSTRUCT, WORD)
INT WINAPI	LZRead (INT, LPSTR, INT)
LONG WINAPI	LZSeek (INT, LONG, INT)
INT WINAPI	LZStart (VOID)

Macro Definition Documentation

GetExpandedName

#define GetExpandedName   GetExpandedNameA

Definition at line 31 of file lzexpand.h.

LZERROR_BADINHANDLE

#define LZERROR_BADINHANDLE   (-1)

Definition at line 7 of file lzexpand.h.

LZERROR_BADOUTHANDLE

#define LZERROR_BADOUTHANDLE   (-2)

Definition at line 8 of file lzexpand.h.

LZERROR_BADVALUE

#define LZERROR_BADVALUE   (-7)

Definition at line 13 of file lzexpand.h.

LZERROR_GLOBALLOC

#define LZERROR_GLOBALLOC   (-5)

Definition at line 11 of file lzexpand.h.

LZERROR_GLOBLOCK

#define LZERROR_GLOBLOCK   (-6)

Definition at line 12 of file lzexpand.h.

LZERROR_READ

#define LZERROR_READ   (-3)

Definition at line 9 of file lzexpand.h.

LZERROR_UNKNOWNALG

#define LZERROR_UNKNOWNALG   (-8)

Definition at line 14 of file lzexpand.h.

LZERROR_WRITE

#define LZERROR_WRITE   (-4)

Definition at line 10 of file lzexpand.h.

LZOpenFile

#define LZOpenFile   LZOpenFileA

Definition at line 32 of file lzexpand.h.

Function Documentation

CopyLZFile()

LONG WINAPI CopyLZFile	(	INT	,
		INT
	)

GetExpandedNameA()

INT WINAPI GetExpandedNameA	(	LPSTR	in,
		LPSTR	out
	)

Definition at line 257 of file lzexpand.c.

{
    struct lzfileheader head;
    HFILE       fd;
    OFSTRUCT    ofs;
    INT     fnislowercased,ret,len;
    LPSTR       s,t;
 
    TRACE("(%s)\n",in);
    fd=OpenFile(in,&ofs,OF_READ);
    if (fd==HFILE_ERROR)
        return (INT)(INT16)LZERROR_BADINHANDLE;
    strcpy(out,in);
    ret=read_header(fd,&head);
    if (ret<=0) {
        /* not a LZ compressed file, so the expanded name is the same
         * as the input name */
        _lclose(fd);
        return 1;
    }
 
 
    /* look for directory prefix and skip it. */
    s=out;
    while (NULL!=(t=strpbrk(s,"/\\:")))
        s=t+1;
 
    /* now mangle the basename */
    if (!*s) {
        /* FIXME: hmm. shouldn't happen? */
        WARN("Specified a directory or what? (%s)\n",in);
        _lclose(fd);
        return 1;
    }
    /* see if we should use lowercase or uppercase on the last char */
    fnislowercased=1;
    t=s+strlen(s)-1;
    while (t>=out) {
        if (!isalpha(*t)) {
            t--;
            continue;
        }
        fnislowercased=islower(*t);
        break;
    }
    if (isalpha(head.lastchar)) {
        if (fnislowercased)
            head.lastchar=tolower(head.lastchar);
        else
            head.lastchar=toupper(head.lastchar);
    }
 
    /* now look where to replace the last character */
    if (NULL!=(t=strchr(s,'.'))) {
        if (t[1]=='\0') {
            t[0]='\0';
        } else {
            len=strlen(t)-1;
            if (t[len]=='_')
                t[len]=head.lastchar;
        }
    } /* else no modification necessary */
    _lclose(fd);
    return 1;
}

Referenced by GetExpandedNameW(), and main().

GetExpandedNameW()

INT WINAPI GetExpandedNameW	(	LPWSTR	in,
		LPWSTR	out
	)

Definition at line 327 of file lzexpand.c.

{
    INT ret;
    DWORD len = WideCharToMultiByte( CP_ACP, 0, in, -1, NULL, 0, NULL, NULL );
    char *xin = HeapAlloc( GetProcessHeap(), 0, len );
    char *xout = HeapAlloc( GetProcessHeap(), 0, len+3 );
    WideCharToMultiByte( CP_ACP, 0, in, -1, xin, len, NULL, NULL );
    if ((ret = GetExpandedNameA( xin, xout )) > 0)
        MultiByteToWideChar( CP_ACP, 0, xout, -1, out, strlenW(in)+4 );
    HeapFree( GetProcessHeap(), 0, xin );
    HeapFree( GetProcessHeap(), 0, xout );
    return ret;
}

LZClose()

VOID APIENTRY LZClose

(

INT

)

LZCopy()

LONG APIENTRY LZCopy	(	INT	,
		INT
	)

LZDone()

VOID WINAPI LZDone

(

VOID

)

Definition at line 240 of file lzexpand.c.

{
    TRACE("(void)\n");
}

LZInit()

INT WINAPI LZInit

(

INT

)

LZOpenFileA()

INT WINAPI LZOpenFileA	(	LPSTR	fn,
		LPOFSTRUCT	ofs,
		WORD	mode
	)

Definition at line 551 of file lzexpand.c.

{
    HFILE   fd,cfd;
    BYTE    ofs_cBytes = ofs->cBytes;
 
    TRACE("(%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);
            HeapFree( GetProcessHeap(), 0, mfn );
    }
    if (fd==HFILE_ERROR)
        ofs->cBytes = ofs_cBytes;
    if ((mode&~0x70)!=OF_READ)
        return fd;
    if (fd==HFILE_ERROR)

Referenced by create_file(), delete_file(), LZOpenFileW(), main(), test_LZCopy(), test_LZOpenFileA(), test_LZOpenFileA_existing_compressed(), test_LZOpenFileA_nonexisting_compressed(), test_LZRead(), and VerInstallFileA().

LZOpenFileW()

INT WINAPI LZOpenFileW	(	LPWSTR	fn,
		LPOFSTRUCT	ofs,
		WORD	mode
	)

Definition at line 580 of file lzexpand.c.

{
    HFILE ret;
    DWORD len = WideCharToMultiByte( CP_ACP, 0, fn, -1, NULL, 0, NULL, NULL );
    LPSTR xfn = HeapAlloc( GetProcessHeap(), 0, len );

Referenced by create_fileW(), decompress_file_lz(), delete_fileW(), do_file_copyW(), get_file_sizes_lz(), GetFileVersionInfoExW(), GetFileVersionInfoSizeExW(), Imm32CopyImeFile(), test_LZOpenFileW(), test_LZOpenFileW_existing_compressed(), test_LZOpenFileW_nonexisting_compressed(), and TLB_NEFile_Open().

LZRead()

INT WINAPI LZRead	(	INT	,
		LPSTR	,
		INT
	)

LZSeek()

LONG WINAPI LZSeek	(	INT	,
		LONG	,
		INT
	)

LZStart()

INT WINAPI LZStart

(

VOID

)

Definition at line 179 of file lzexpand.c.

{
    TRACE("(void)\n");
    return 1;
}