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Support for big-endian systems.
This commit is contained in:
Gerold Jens Wucherpfennig
Alexandre Julliard
parent
db7fc1cd58
commit
ff25db08a5
1 changed files with 105 additions and 1 deletions
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@ -23,7 +23,6 @@
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There is still some work to be done:
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- currently no support for big-endian machines
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- the ERF error structure aren't used on error
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- no real compression yet
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- unknown behaviour if files>4GB or cabinet >4GB
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@ -44,6 +43,7 @@ There is still some work to be done:
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winternl.h"
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#include "fci.h"
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#include "cabinet.h"
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@ -442,7 +442,41 @@ static cab_ULONG fci_get_checksum(void *pv, UINT cb, CHECKSUM seed)
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} /* end of fci_get_checksum */
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static inline cab_ULONG fci_set_little_endian_ulong( cab_ULONG i )
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{
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#ifdef WORDS_BIGENDIAN
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return RtlUlongByteSwap( i );
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#else
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return i;
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#endif
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}
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static inline cab_ULONG fci_get_little_endian_ulong( cab_ULONG i )
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{
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#ifdef WORDS_BIGENDIAN
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return RtlUlongByteSwap( i );
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#else
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return i;
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#endif
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}
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static inline cab_UWORD fci_set_little_endian_uword( cab_UWORD i )
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{
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#ifdef WORDS_BIGENDIAN
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return RtlUshortByteSwap( i );
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#else
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return i;
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#endif
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}
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static inline cab_UWORD fci_get_little_endian_uword( cab_UWORD i )
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{
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#ifdef WORDS_BIGENDIAN
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return RtlUshortByteSwap( i );
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#else
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return i;
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#endif
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}
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static BOOL fci_flushfolder_copy_cfdata(HFCI hfci, char* buffer, UINT cbReserveCFData,
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@ -599,12 +633,19 @@ static BOOL fci_flushfolder_copy_cfdata(HFCI hfci, char* buffer, UINT cbReserveC
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return FALSE;
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}
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/* set little endian */
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pcfdata->cbData=fci_set_little_endian_uword(pcfdata->cbData);
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pcfdata->cbUncomp=fci_set_little_endian_uword(pcfdata->cbUncomp);
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/* get checksum and write to cfdata.csum */
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pcfdata->csum = fci_get_checksum( &(pcfdata->cbData),
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sizeof(CFDATA)+cbReserveCFData -
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sizeof(pcfdata->csum), fci_get_checksum( p_fci_internal->data_out, /*buffer*/
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pcfdata->cbData, 0 ) );
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/* set little endian */
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pcfdata->csum=fci_set_little_endian_ulong(pcfdata->csum);
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/* write cfdata with checksum to p_fci_internal->handleCFDATA2 */
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if( PFCI_WRITE(hfci, p_fci_internal->handleCFDATA2, /* file handle */
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buffer, /* memory buffer */
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@ -617,6 +658,11 @@ static BOOL fci_flushfolder_copy_cfdata(HFCI hfci, char* buffer, UINT cbReserveC
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p_fci_internal->sizeFileCFDATA2 += sizeof(CFDATA)+cbReserveCFData;
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/* reset little endian */
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pcfdata->cbData=fci_get_little_endian_uword(pcfdata->cbData);
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pcfdata->cbUncomp=fci_get_little_endian_uword(pcfdata->cbUncomp);
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pcfdata->csum=fci_get_little_endian_ulong(pcfdata->csum);
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/* write compressed data into p_fci_internal->handleCFDATA2 */
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if( PFCI_WRITE(hfci, p_fci_internal->handleCFDATA2, /* file handle */
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p_fci_internal->data_out, /* memory buffer */
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@ -649,6 +695,7 @@ static BOOL fci_flushfolder_copy_cfdata(HFCI hfci, char* buffer, UINT cbReserveC
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/* reset checksum, it will be computed later */
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pcfdata->csum=0;
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/* write cfdata WITHOUT checksum to handleCFDATA1new */
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if( PFCI_WRITE(hfci, handleCFDATA1new, /* file handle */
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buffer, /* memory buffer */
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@ -965,6 +1012,14 @@ static BOOL fci_flushfolder_copy_cffile(HFCI hfci, int* err, int handleCFFILE1ne
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cffile.iFolder=cffileCONTINUED_TO_NEXT;
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}
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/* set little endian */
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cffile.cbFile=fci_set_little_endian_ulong(cffile.cbFile);
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cffile.uoffFolderStart=fci_set_little_endian_ulong(cffile.uoffFolderStart);
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cffile.iFolder=fci_set_little_endian_uword(cffile.iFolder);
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cffile.date=fci_set_little_endian_uword(cffile.date);
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cffile.time=fci_set_little_endian_uword(cffile.time);
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cffile.attribs=fci_set_little_endian_uword(cffile.attribs);
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/* write cffile to p_fci_internal->handleCFFILE2 */
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if( PFCI_WRITE(hfci, p_fci_internal->handleCFFILE2, /* file handle */
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&cffile, /* memory buffer */
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@ -977,6 +1032,14 @@ static BOOL fci_flushfolder_copy_cffile(HFCI hfci, int* err, int handleCFFILE1ne
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p_fci_internal->sizeFileCFFILE2 += sizeof(cffile);
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/* reset little endian */
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cffile.cbFile=fci_get_little_endian_ulong(cffile.cbFile);
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cffile.uoffFolderStart=fci_get_little_endian_ulong(cffile.uoffFolderStart);
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cffile.iFolder=fci_get_little_endian_uword(cffile.iFolder);
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cffile.date=fci_get_little_endian_uword(cffile.date);
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cffile.time=fci_get_little_endian_uword(cffile.time);
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cffile.attribs=fci_get_little_endian_uword(cffile.attribs);
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/* write file name to p_fci_internal->handleCFFILE2 */
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if( PFCI_WRITE(hfci, p_fci_internal->handleCFFILE2, /* file handle */
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p_fci_internal->data_out, /* memory buffer */
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@ -1580,6 +1643,18 @@ static BOOL fci_flush_cabinet(
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cfheader.iCabinet = p_fci_internal->pccab->iCab-1;
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}
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/* set little endian */
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cfheader.reserved1=fci_set_little_endian_ulong(cfheader.reserved1);
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cfheader.cbCabinet=fci_set_little_endian_ulong(cfheader.cbCabinet);
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cfheader.reserved2=fci_set_little_endian_ulong(cfheader.reserved2);
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cfheader.coffFiles=fci_set_little_endian_ulong(cfheader.coffFiles);
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cfheader.reserved3=fci_set_little_endian_ulong(cfheader.reserved3);
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cfheader.cFolders=fci_set_little_endian_uword(cfheader.cFolders);
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cfheader.cFiles=fci_set_little_endian_uword(cfheader.cFiles);
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cfheader.flags=fci_set_little_endian_uword(cfheader.flags);
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cfheader.setID=fci_set_little_endian_uword(cfheader.setID);
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cfheader.iCabinet=fci_set_little_endian_uword(cfheader.iCabinet);
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/* write CFHEADER into cabinet file */
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if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
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&cfheader, /* memory buffer */
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@ -1590,6 +1665,18 @@ static BOOL fci_flush_cabinet(
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}
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/* TODO error handling of err */
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/* reset little endian */
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cfheader.reserved1=fci_get_little_endian_ulong(cfheader.reserved1);
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cfheader.cbCabinet=fci_get_little_endian_ulong(cfheader.cbCabinet);
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cfheader.reserved2=fci_get_little_endian_ulong(cfheader.reserved2);
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cfheader.coffFiles=fci_get_little_endian_ulong(cfheader.coffFiles);
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cfheader.reserved3=fci_get_little_endian_ulong(cfheader.reserved3);
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cfheader.cFolders=fci_get_little_endian_uword(cfheader.cFolders);
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cfheader.cFiles=fci_get_little_endian_uword(cfheader.cFiles);
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cfheader.flags=fci_get_little_endian_uword(cfheader.flags);
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cfheader.setID=fci_get_little_endian_uword(cfheader.setID);
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cfheader.iCabinet=fci_get_little_endian_uword(cfheader.iCabinet);
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if( cfheader.flags & cfheadRESERVE_PRESENT ) {
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/* NOTE: No checks for maximum value overflows as designed by MS!!! */
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cfreserved.cbCFHeader = cbReserveCFHeader;
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@ -1600,6 +1687,10 @@ static BOOL fci_flush_cabinet(
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} else {
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cfreserved.cbCFData = p_fci_internal->pccab->cbReserveCFData;
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}
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/* set little endian */
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cfreserved.cbCFHeader=fci_set_little_endian_uword(cfreserved.cbCFHeader);
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/* write reserved info into cabinet file */
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if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
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&cfreserved, /* memory buffer */
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@ -1609,6 +1700,9 @@ static BOOL fci_flush_cabinet(
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return FALSE;
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}
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/* TODO error handling of err */
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/* reset little endian */
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cfreserved.cbCFHeader=fci_get_little_endian_uword(cfreserved.cbCFHeader);
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}
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/* add optional reserved area */
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@ -1735,6 +1829,11 @@ static BOOL fci_flush_cabinet(
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}
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}
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/* set little endian */
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cffolder.coffCabStart=fci_set_little_endian_ulong(cffolder.coffCabStart);
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cffolder.cCFData=fci_set_little_endian_uword(cffolder.cCFData);
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cffolder.typeCompress=fci_set_little_endian_uword(cffolder.typeCompress);
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/* write cffolder to cabinet file */
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if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
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&cffolder, /* memory buffer */
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@ -1745,6 +1844,11 @@ static BOOL fci_flush_cabinet(
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}
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/* TODO error handling of err */
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/* reset little endian */
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cffolder.coffCabStart=fci_get_little_endian_ulong(cffolder.coffCabStart);
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cffolder.cCFData=fci_get_little_endian_uword(cffolder.cCFData);
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cffolder.typeCompress=fci_get_little_endian_uword(cffolder.typeCompress);
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/* add optional reserved area */
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/* This allocation and freeing at each CFFolder block is a bit */
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