Sweden-Number/dlls/cabinet/fci.c

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/*
* File Compression Interface
*
* Copyright 2002 Patrik Stridvall
* Copyright 2005 Gerold Jens Wucherpfennig
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
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/*
There is still some work to be done:
- no real compression yet
- unknown behaviour if files>=2GB or cabinet >=4GB
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- check if the maximum size for a cabinet is too small to store any data
- call pfnfcignc on exactly the same position as MS FCIAddFile in every case
- probably check err
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*/
#include "config.h"
#include <stdarg.h>
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#include <stdio.h>
#include <string.h>
#include "windef.h"
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#include "winbase.h"
#include "winerror.h"
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#include "winternl.h"
#include "fci.h"
#include "cabinet.h"
#include "wine/debug.h"
#ifdef WORDS_BIGENDIAN
#define fci_endian_ulong(x) RtlUlongByteSwap(x)
#define fci_endian_uword(x) RtlUshortByteSwap(x)
#else
#define fci_endian_ulong(x) (x)
#define fci_endian_uword(x) (x)
#endif
#define fci_set_error(A,B,C) do { \
p_fci_internal->perf->erfOper = A; \
p_fci_internal->perf->erfType = B; \
p_fci_internal->perf->fError = C; \
if (B) SetLastError(B); } while(0)
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typedef struct {
cab_UBYTE signature[4]; /* !CAB for unfinished cabinets else MSCF */
cab_ULONG reserved1;
cab_ULONG cbCabinet; /* size of the cabinet file in bytes*/
cab_ULONG reserved2;
cab_ULONG coffFiles; /* offset to first CFFILE section */
cab_ULONG reserved3;
cab_UBYTE versionMinor; /* 3 */
cab_UBYTE versionMajor; /* 1 */
cab_UWORD cFolders; /* number of CFFOLDER entries in the cabinet*/
cab_UWORD cFiles; /* number of CFFILE entries in the cabinet*/
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cab_UWORD flags; /* 1=prev cab, 2=next cabinet, 4=reserved sections*/
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cab_UWORD setID; /* identification number of all cabinets in a set*/
cab_UWORD iCabinet; /* number of the cabinet in a set */
/* additional area if "flags" were set*/
} CFHEADER; /* minimum 36 bytes */
typedef struct {
cab_ULONG coffCabStart; /* offset to the folder's first CFDATA section */
cab_UWORD cCFData; /* number of this folder's CFDATA sections */
cab_UWORD typeCompress; /* compression type of data in CFDATA section*/
/* additional area if reserve flag was set */
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} CFFOLDER; /* minimum 8 bytes */
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typedef struct {
cab_ULONG cbFile; /* size of the uncompressed file in bytes */
cab_ULONG uoffFolderStart; /* offset of the uncompressed file in the folder */
cab_UWORD iFolder; /* number of folder in the cabinet 0=first */
/* for special values see below this structure*/
cab_UWORD date; /* last modification date*/
cab_UWORD time; /* last modification time*/
cab_UWORD attribs; /* DOS fat attributes and UTF indicator */
/* ... and a C string with the name of the file */
} CFFILE; /* 16 bytes + name of file */
typedef struct {
cab_ULONG csum; /* checksum of this entry*/
cab_UWORD cbData; /* number of compressed bytes */
cab_UWORD cbUncomp; /* number of bytes when data is uncompressed */
/* optional reserved area */
/* compressed data */
} CFDATA;
/***********************************************************************
* FCICreate (CABINET.10)
*
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* FCICreate is provided with several callbacks and
* returns a handle which can be used to create cabinet files.
*
* PARAMS
* perf [IO] A pointer to an ERF structure. When FCICreate
* returns an error condition, error information may
* be found here as well as from GetLastError.
* pfnfiledest [I] A pointer to a function which is called when a file
* is placed. Only useful for subsequent cabinet files.
* pfnalloc [I] A pointer to a function which allocates ram. Uses
* the same interface as malloc.
* pfnfree [I] A pointer to a function which frees ram. Uses the
* same interface as free.
* pfnopen [I] A pointer to a function which opens a file. Uses
* the same interface as _open.
* pfnread [I] A pointer to a function which reads from a file into
* a caller-provided buffer. Uses the same interface
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* as _read.
* pfnwrite [I] A pointer to a function which writes to a file from
* a caller-provided buffer. Uses the same interface
* as _write.
* pfnclose [I] A pointer to a function which closes a file handle.
* Uses the same interface as _close.
* pfnseek [I] A pointer to a function which seeks in a file.
* Uses the same interface as _lseek.
* pfndelete [I] A pointer to a function which deletes a file.
* pfnfcigtf [I] A pointer to a function which gets the name of a
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* temporary file.
* pccab [I] A pointer to an initialized CCAB structure.
* pv [I] A pointer to an application-defined notification
* function which will be passed to other FCI functions
* as a parameter.
*
* RETURNS
* On success, returns an FCI handle of type HFCI.
* On failure, the NULL file handle is returned. Error
* info can be retrieved from perf.
*
* INCLUDES
* fci.h
*
*/
HFCI __cdecl FCICreate(
PERF perf,
PFNFCIFILEPLACED pfnfiledest,
PFNFCIALLOC pfnalloc,
PFNFCIFREE pfnfree,
PFNFCIOPEN pfnopen,
PFNFCIREAD pfnread,
PFNFCIWRITE pfnwrite,
PFNFCICLOSE pfnclose,
PFNFCISEEK pfnseek,
PFNFCIDELETE pfndelete,
PFNFCIGETTEMPFILE pfnfcigtf,
PCCAB pccab,
void *pv)
{
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HFCI hfci;
int err;
PFCI_Int p_fci_internal;
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if (!perf) {
SetLastError(ERROR_BAD_ARGUMENTS);
return NULL;
}
if ((!pfnalloc) || (!pfnfree) || (!pfnopen) || (!pfnread) ||
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(!pfnwrite) || (!pfnclose) || (!pfnseek) || (!pfndelete) ||
(!pfnfcigtf) || (!pccab)) {
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perf->erfOper = FCIERR_NONE;
perf->erfType = ERROR_BAD_ARGUMENTS;
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perf->fError = TRUE;
SetLastError(ERROR_BAD_ARGUMENTS);
return NULL;
}
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if (!((hfci = (*pfnalloc)(sizeof(FCI_Int))))) {
perf->erfOper = FCIERR_ALLOC_FAIL;
perf->erfType = ERROR_NOT_ENOUGH_MEMORY;
perf->fError = TRUE;
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return NULL;
}
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p_fci_internal=((PFCI_Int)(hfci));
p_fci_internal->FCI_Intmagic = FCI_INT_MAGIC;
p_fci_internal->perf = perf;
p_fci_internal->pfnfiledest = pfnfiledest;
p_fci_internal->pfnalloc = pfnalloc;
p_fci_internal->pfnfree = pfnfree;
p_fci_internal->pfnopen = pfnopen;
p_fci_internal->pfnread = pfnread;
p_fci_internal->pfnwrite = pfnwrite;
p_fci_internal->pfnclose = pfnclose;
p_fci_internal->pfnseek = pfnseek;
p_fci_internal->pfndelete = pfndelete;
p_fci_internal->pfnfcigtf = pfnfcigtf;
p_fci_internal->pccab = pccab;
p_fci_internal->fPrevCab = FALSE;
p_fci_internal->fNextCab = FALSE;
p_fci_internal->fSplitFolder = FALSE;
p_fci_internal->fGetNextCabInVain = FALSE;
p_fci_internal->pv = pv;
p_fci_internal->data_in = NULL;
p_fci_internal->cdata_in = 0;
p_fci_internal->data_out = NULL;
p_fci_internal->cCompressedBytesInFolder = 0;
p_fci_internal->cFolders = 0;
p_fci_internal->cFiles = 0;
p_fci_internal->cDataBlocks = 0;
p_fci_internal->sizeFileCFDATA1 = 0;
p_fci_internal->sizeFileCFFILE1 = 0;
p_fci_internal->sizeFileCFDATA2 = 0;
p_fci_internal->sizeFileCFFILE2 = 0;
p_fci_internal->sizeFileCFFOLDER = 0;
p_fci_internal->sizeFileCFFOLDER = 0;
p_fci_internal->fNewPrevious = FALSE;
p_fci_internal->estimatedCabinetSize = 0;
p_fci_internal->statusFolderTotal = 0;
memset(&p_fci_internal->oldCCAB, 0, sizeof(CCAB));
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memcpy(p_fci_internal->szPrevCab, pccab->szCab, CB_MAX_CABINET_NAME);
memcpy(p_fci_internal->szPrevDisk, pccab->szDisk, CB_MAX_DISK_NAME);
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/* CFDATA */
if( !PFCI_GETTEMPFILE(hfci,p_fci_internal->szFileNameCFDATA1,
CB_MAX_FILENAME)) {
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFDATA1) >= CB_MAX_FILENAME ) {
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
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p_fci_internal->handleCFDATA1 = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFDATA1, 34050, 384, &err, pv);
if(p_fci_internal->handleCFDATA1==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
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/* TODO error checking of err */
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/* array of all CFFILE in a folder */
if( !PFCI_GETTEMPFILE(hfci,p_fci_internal->szFileNameCFFILE1,
CB_MAX_FILENAME)) {
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFFILE1) >= CB_MAX_FILENAME ) {
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
p_fci_internal->handleCFFILE1 = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFFILE1, 34050, 384, &err, pv);
if(p_fci_internal->handleCFFILE1==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
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/* TODO error checking of err */
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/* CFDATA with checksum and ready to be copied into cabinet */
if( !PFCI_GETTEMPFILE(hfci,p_fci_internal->szFileNameCFDATA2,
CB_MAX_FILENAME)) {
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE);
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return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFDATA2) >= CB_MAX_FILENAME ) {
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
p_fci_internal->handleCFDATA2 = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFDATA2, 34050, 384, &err, pv);
if(p_fci_internal->handleCFDATA2==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
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/* TODO error checking of err */
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/* array of all CFFILE in a folder, ready to be copied into cabinet */
if( !PFCI_GETTEMPFILE(hfci,p_fci_internal->szFileNameCFFILE2,
CB_MAX_FILENAME)) {
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFFILE2) >= CB_MAX_FILENAME ) {
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
p_fci_internal->handleCFFILE2 = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFFILE2, 34050, 384, &err, pv);
if(p_fci_internal->handleCFFILE2==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
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/* TODO error checking of err */
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/* array of all CFFILE in a folder, ready to be copied into cabinet */
if( !PFCI_GETTEMPFILE(hfci,p_fci_internal->szFileNameCFFOLDER,
CB_MAX_FILENAME)) {
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFFOLDER) >= CB_MAX_FILENAME ) {
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
p_fci_internal->handleCFFOLDER = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFFOLDER, 34050, 384, &err, pv);
if(p_fci_internal->handleCFFOLDER==0) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE);
return FALSE;
}
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/* TODO close and delete new files when return FALSE */
/* TODO error checking of err */
return hfci;
} /* end of FCICreate */
static BOOL fci_flush_data_block (HFCI hfci, int* err,
PFNFCISTATUS pfnfcis) {
/* attention no hfci checks!!! */
/* attention no checks if there is data available!!! */
CFDATA data;
CFDATA* cfdata=&data;
char* reserved;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
UINT cbReserveCFData=p_fci_internal->pccab->cbReserveCFData;
UINT i;
/* TODO compress the data of p_fci_internal->data_in */
/* and write it to p_fci_internal->data_out */
memcpy(p_fci_internal->data_out, p_fci_internal->data_in,
p_fci_internal->cdata_in /* number of bytes to copy */);
cfdata->csum=0; /* checksum has to be set later */
/* TODO set realsize of compressed data */
cfdata->cbData = p_fci_internal->cdata_in;
cfdata->cbUncomp = p_fci_internal->cdata_in;
/* write cfdata to p_fci_internal->handleCFDATA1 */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFDATA1, /* file handle */
cfdata, sizeof(*cfdata), err, p_fci_internal->pv)
!= sizeof(*cfdata) ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFDATA1 += sizeof(*cfdata);
/* add optional reserved area */
/* This allocation and freeing at each CFData block is a bit */
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/* inefficient, but it's harder to forget about freeing the buffer :-). */
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/* Reserved areas are used seldom besides that... */
if (cbReserveCFData!=0) {
if(!(reserved = (char*)PFCI_ALLOC(hfci, cbReserveCFData))) {
fci_set_error( FCIERR_ALLOC_FAIL, ERROR_NOT_ENOUGH_MEMORY, TRUE );
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return FALSE;
}
for(i=0;i<cbReserveCFData;) {
reserved[i++]='\0';
}
if( PFCI_WRITE(hfci, p_fci_internal->handleCFDATA1, /* file handle */
reserved, /* memory buffer */
cbReserveCFData, /* number of bytes to copy */
err, p_fci_internal->pv) != cbReserveCFData ) {
PFCI_FREE(hfci, reserved);
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err PFCI_FREE(hfci, reserved)*/
p_fci_internal->sizeFileCFDATA1 += cbReserveCFData;
PFCI_FREE(hfci, reserved);
}
/* write p_fci_internal->data_out to p_fci_internal->handleCFDATA1 */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFDATA1, /* file handle */
p_fci_internal->data_out, /* memory buffer */
cfdata->cbData, /* number of bytes to copy */
err, p_fci_internal->pv) != cfdata->cbData) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFDATA1 += cfdata->cbData;
/* reset the offset */
p_fci_internal->cdata_in = 0;
p_fci_internal->cCompressedBytesInFolder += cfdata->cbData;
/* report status with pfnfcis about uncompressed and compressed file data */
if( (*pfnfcis)(statusFile, cfdata->cbData, cfdata->cbUncomp,
p_fci_internal->pv) == -1) {
fci_set_error( FCIERR_USER_ABORT, 0, TRUE );
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return FALSE;
}
++(p_fci_internal->cDataBlocks);
return TRUE;
} /* end of fci_flush_data_block */
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static cab_ULONG fci_get_checksum(const void *pv, UINT cb, CHECKSUM seed)
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{
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cab_ULONG csum;
cab_ULONG ul;
int cUlong;
const BYTE *pb;
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csum = seed;
cUlong = cb / 4;
pb = pv;
while (cUlong-- > 0) {
ul = *pb++;
ul |= (((cab_ULONG)(*pb++)) << 8);
ul |= (((cab_ULONG)(*pb++)) << 16);
ul |= (((cab_ULONG)(*pb++)) << 24);
csum ^= ul;
}
ul = 0;
switch (cb % 4) {
case 3:
ul |= (((ULONG)(*pb++)) << 16);
case 2:
ul |= (((ULONG)(*pb++)) << 8);
case 1:
ul |= *pb++;
default:
break;
}
csum ^= ul;
return csum;
} /* end of fci_get_checksum */
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static BOOL fci_flushfolder_copy_cfdata(HFCI hfci, char* buffer, UINT cbReserveCFData,
PFNFCISTATUS pfnfcis, int* err, int handleCFDATA1new,
cab_ULONG* psizeFileCFDATA1new, cab_ULONG* payload)
{
cab_ULONG read_result;
CFDATA* pcfdata=(CFDATA*)buffer;
BOOL split_block=FALSE;
cab_UWORD savedUncomp=0;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
*payload=0;
/* while not all CFDATAs have been copied do */
while(!FALSE) {
if( p_fci_internal->fNextCab ) {
if( split_block ) {
/* internal error should never happen */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
}
/* REUSE the variable read_result */
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
read_result=4;
} else {
read_result=0;
}
if (p_fci_internal->fPrevCab) {
read_result+=strlen(p_fci_internal->szPrevCab)+1 +
strlen(p_fci_internal->szPrevDisk)+1;
}
/* No more CFDATA fits into the cabinet under construction */
/* So don't try to store more data into it */
if( p_fci_internal->fNextCab &&
(p_fci_internal->oldCCAB.cb <= sizeof(CFDATA) + cbReserveCFData +
p_fci_internal->sizeFileCFFILE1 + p_fci_internal->sizeFileCFDATA2 +
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER +
sizeof(CFHEADER) +
read_result +
p_fci_internal->oldCCAB.cbReserveCFHeader +
sizeof(CFFOLDER) +
p_fci_internal->oldCCAB.cbReserveCFFolder +
strlen(p_fci_internal->pccab->szCab)+1 +
strlen(p_fci_internal->pccab->szDisk)+1
)) {
/* This may never be run for the first time the while loop is entered.
Pray that the code that calls fci_flushfolder_copy_cfdata handles this.*/
split_block=TRUE; /* In this case split_block is abused to store */
/* the complete data block into the next cabinet and not into the */
/* current one. Originally split_block is the indicator that a */
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/* data block has been split across different cabinets. */
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} else {
/* read CFDATA from p_fci_internal->handleCFDATA1 to cfdata*/
read_result= PFCI_READ(hfci, p_fci_internal->handleCFDATA1,/*file handle*/
buffer, /* memory buffer */
sizeof(CFDATA)+cbReserveCFData, /* number of bytes to copy */
err, p_fci_internal->pv);
if (read_result!=sizeof(CFDATA)+cbReserveCFData) {
if (read_result==0) break; /* ALL DATA has been copied */
/* read error */
fci_set_error( FCIERR_NONE, ERROR_READ_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
/* REUSE buffer p_fci_internal->data_out !!! */
/* read data from p_fci_internal->handleCFDATA1 to */
/* p_fci_internal->data_out */
if( PFCI_READ(hfci, p_fci_internal->handleCFDATA1 /* file handle */,
p_fci_internal->data_out /* memory buffer */,
pcfdata->cbData /* number of bytes to copy */,
err, p_fci_internal->pv) != pcfdata->cbData ) {
/* read error */
fci_set_error( FCIERR_NONE, ERROR_READ_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
/* if cabinet size is too large */
/* REUSE the variable read_result */
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
read_result=4;
} else {
read_result=0;
}
if (p_fci_internal->fPrevCab) {
read_result+=strlen(p_fci_internal->szPrevCab)+1 +
strlen(p_fci_internal->szPrevDisk)+1;
}
/* Is cabinet with new CFDATA too large? Then data block has to be split */
if( p_fci_internal->fNextCab &&
(p_fci_internal->oldCCAB.cb < sizeof(CFDATA) + cbReserveCFData +
pcfdata->cbData +
p_fci_internal->sizeFileCFFILE1 + p_fci_internal->sizeFileCFDATA2 +
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER +
sizeof(CFHEADER) +
read_result +
p_fci_internal->oldCCAB.cbReserveCFHeader +
sizeof(CFFOLDER) + /* size of new CFFolder entry */
p_fci_internal->oldCCAB.cbReserveCFFolder +
strlen(p_fci_internal->pccab->szCab)+1 + /* name of next cabinet */
strlen(p_fci_internal->pccab->szDisk)+1 /* name of next disk */
)) {
/* REUSE read_result to save the size of the compressed data */
read_result=pcfdata->cbData;
/* Modify the size of the compressed data to store only a part of the */
/* data block into the current cabinet. This is done to prevent */
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/* that the maximum cabinet size will be exceeded. The remainder */
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/* will be stored into the next following cabinet. */
/* The cabinet will be of size "p_fci_internal->oldCCAB.cb". */
/* Substract everything except the size of the block of data */
/* to get it's actual size */
pcfdata->cbData = p_fci_internal->oldCCAB.cb - (
sizeof(CFDATA) + cbReserveCFData +
p_fci_internal->sizeFileCFFILE1 + p_fci_internal->sizeFileCFDATA2 +
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER +
sizeof(CFHEADER) +
p_fci_internal->oldCCAB.cbReserveCFHeader +
sizeof(CFFOLDER) + /* set size of new CFFolder entry */
p_fci_internal->oldCCAB.cbReserveCFFolder );
/* substract the size of special header fields */
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
pcfdata->cbData-=4;
}
if (p_fci_internal->fPrevCab) {
pcfdata->cbData-=strlen(p_fci_internal->szPrevCab)+1 +
strlen(p_fci_internal->szPrevDisk)+1;
}
pcfdata->cbData-=strlen(p_fci_internal->pccab->szCab)+1 +
strlen(p_fci_internal->pccab->szDisk)+1;
savedUncomp = pcfdata->cbUncomp;
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pcfdata->cbUncomp = 0; /* on split blocks of data this is zero */
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/* if split_block==TRUE then the above while loop won't */
/* be executed again */
split_block=TRUE; /* split_block is the indicator that */
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/* a data block has been split across */
/* different cabinets.*/
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}
/* This should never happen !!! */
if (pcfdata->cbData==0) {
/* set error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
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/* set little endian */
pcfdata->cbData=fci_endian_uword(pcfdata->cbData);
pcfdata->cbUncomp=fci_endian_uword(pcfdata->cbUncomp);
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/* get checksum and write to cfdata.csum */
pcfdata->csum = fci_get_checksum( &(pcfdata->cbData),
sizeof(CFDATA)+cbReserveCFData -
sizeof(pcfdata->csum), fci_get_checksum( p_fci_internal->data_out, /*buffer*/
pcfdata->cbData, 0 ) );
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/* set little endian */
pcfdata->csum=fci_endian_ulong(pcfdata->csum);
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/* write cfdata with checksum to p_fci_internal->handleCFDATA2 */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFDATA2, /* file handle */
buffer, /* memory buffer */
sizeof(CFDATA)+cbReserveCFData, /* number of bytes to copy */
err, p_fci_internal->pv) != sizeof(CFDATA)+cbReserveCFData ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
return FALSE;
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}
/* TODO error handling of err */
p_fci_internal->sizeFileCFDATA2 += sizeof(CFDATA)+cbReserveCFData;
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/* reset little endian */
pcfdata->cbData=fci_endian_uword(pcfdata->cbData);
pcfdata->cbUncomp=fci_endian_uword(pcfdata->cbUncomp);
pcfdata->csum=fci_endian_ulong(pcfdata->csum);
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/* write compressed data into p_fci_internal->handleCFDATA2 */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFDATA2, /* file handle */
p_fci_internal->data_out, /* memory buffer */
pcfdata->cbData, /* number of bytes to copy */
err, p_fci_internal->pv) != pcfdata->cbData) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFDATA2 += pcfdata->cbData;
++(p_fci_internal->cDataBlocks);
p_fci_internal->statusFolderCopied += pcfdata->cbData;
(*payload)+=pcfdata->cbUncomp;
/* if cabinet size too large and data has been split */
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/* write the remainder of the data block to the new CFDATA1 file */
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if( split_block ) { /* This does not include the */
/* abused one (just search for "abused" )*/
/* copy all CFDATA structures from handleCFDATA1 to handleCFDATA1new */
if (p_fci_internal->fNextCab==FALSE ) {
/* internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
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/* set cbData to the size of the remainder of the data block */
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pcfdata->cbData = read_result - pcfdata->cbData;
/*recover former value of cfdata.cbData; read_result will be the offset*/
read_result -= pcfdata->cbData;
pcfdata->cbUncomp = savedUncomp;
/* reset checksum, it will be computed later */
pcfdata->csum=0;
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/* write cfdata WITHOUT checksum to handleCFDATA1new */
if( PFCI_WRITE(hfci, handleCFDATA1new, /* file handle */
buffer, /* memory buffer */
sizeof(CFDATA)+cbReserveCFData, /* number of bytes to copy */
err, p_fci_internal->pv) != sizeof(CFDATA)+cbReserveCFData ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
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/* TODO error handling of err don't forget PFCI_FREE(hfci, reserved) */
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*psizeFileCFDATA1new += sizeof(CFDATA)+cbReserveCFData;
/* write compressed data into handleCFDATA1new */
if( PFCI_WRITE(hfci, handleCFDATA1new, /* file handle */
p_fci_internal->data_out + read_result, /* memory buffer + offset */
/* to last part of split data */
pcfdata->cbData, /* number of bytes to copy */
err, p_fci_internal->pv) != pcfdata->cbData) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->statusFolderCopied += pcfdata->cbData;
*psizeFileCFDATA1new += pcfdata->cbData;
/* the two blocks of the split data block have been written */
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/* don't reset split_data yet, because it is still needed see below */
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}
/* report status with pfnfcis about copied size of folder */
if( (*pfnfcis)(statusFolder,
p_fci_internal->statusFolderCopied, /*cfdata.cbData(+previous ones)*/
p_fci_internal->statusFolderTotal, /* total folder size */
p_fci_internal->pv) == -1) {
fci_set_error( FCIERR_USER_ABORT, 0, TRUE );
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return FALSE;
}
}
/* if cabinet size too large */
/* write the remaining data blocks to the new CFDATA1 file */
if ( split_block ) { /* This does include the */
/* abused one (just search for "abused" )*/
if (p_fci_internal->fNextCab==FALSE ) {
/* internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* copy all CFDATA structures from handleCFDATA1 to handleCFDATA1new */
while(!FALSE) {
/* read CFDATA from p_fci_internal->handleCFDATA1 to cfdata*/
read_result= PFCI_READ(hfci, p_fci_internal->handleCFDATA1,/* handle */
buffer, /* memory buffer */
sizeof(CFDATA)+cbReserveCFData, /* number of bytes to copy */
err, p_fci_internal->pv);
if (read_result!=sizeof(CFDATA)+cbReserveCFData) {
if (read_result==0) break; /* ALL DATA has been copied */
/* read error */
fci_set_error(FCIERR_NONE, ERROR_READ_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
/* REUSE buffer p_fci_internal->data_out !!! */
/* read data from p_fci_internal->handleCFDATA1 to */
/* p_fci_internal->data_out */
if( PFCI_READ(hfci, p_fci_internal->handleCFDATA1 /* file handle */,
p_fci_internal->data_out /* memory buffer */,
pcfdata->cbData /* number of bytes to copy */,
err, p_fci_internal->pv) != pcfdata->cbData ) {
/* read error */
fci_set_error( FCIERR_NONE, ERROR_READ_FAULT, TRUE);
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return FALSE;
}
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/* TODO error handling of err don't forget PFCI_FREE(hfci, reserved) */
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/* write cfdata with checksum to handleCFDATA1new */
if( PFCI_WRITE(hfci, handleCFDATA1new, /* file handle */
buffer, /* memory buffer */
sizeof(CFDATA)+cbReserveCFData, /* number of bytes to copy */
err, p_fci_internal->pv) != sizeof(CFDATA)+cbReserveCFData ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
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/* TODO error handling of err don't forget PFCI_FREE(hfci, reserved) */
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*psizeFileCFDATA1new += sizeof(CFDATA)+cbReserveCFData;
/* write compressed data into handleCFDATA1new */
if( PFCI_WRITE(hfci, handleCFDATA1new, /* file handle */
p_fci_internal->data_out, /* memory buffer */
pcfdata->cbData, /* number of bytes to copy */
err, p_fci_internal->pv) != pcfdata->cbData) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
*psizeFileCFDATA1new += pcfdata->cbData;
p_fci_internal->statusFolderCopied += pcfdata->cbData;
/* report status with pfnfcis about copied size of folder */
if( (*pfnfcis)(statusFolder,
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p_fci_internal->statusFolderCopied,/*cfdata.cbData(+previous ones)*/
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p_fci_internal->statusFolderTotal, /* total folder size */
p_fci_internal->pv) == -1) {
fci_set_error( FCIERR_USER_ABORT, 0, TRUE );
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return FALSE;
}
} /* end of WHILE */
break; /* jump out of the next while loop */
} /* end of if( split_data ) */
} /* end of WHILE */
return TRUE;
} /* end of fci_flushfolder_copy_cfdata */
static BOOL fci_flushfolder_copy_cffolder(HFCI hfci, int* err, UINT cbReserveCFFolder,
cab_ULONG sizeFileCFDATA2old)
{
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CFFOLDER cffolder;
UINT i;
char* reserved;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
/* absolute offset cannot be set yet, because the size of cabinet header, */
/* the number of CFFOLDERs and the number of CFFILEs may change. */
/* Instead the size of all previous data blocks will be stored and */
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/* the remainder of the offset will be added when the cabinet will be */
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/* flushed to disk. */
/* This is exactly the way the original CABINET.DLL works!!! */
cffolder.coffCabStart=sizeFileCFDATA2old;
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/* set the number of this folder's CFDATA sections */
cffolder.cCFData=p_fci_internal->cDataBlocks;
/* TODO set compression type */
cffolder.typeCompress = tcompTYPE_NONE;
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/* write cffolder to p_fci_internal->handleCFFOLDER */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFFOLDER, /* file handle */
&cffolder, /* memory buffer */
sizeof(cffolder), /* number of bytes to copy */
err, p_fci_internal->pv) != sizeof(cffolder) ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
return FALSE;
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}
/* TODO error handling of err */
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p_fci_internal->sizeFileCFFOLDER += sizeof(cffolder);
/* add optional reserved area */
if (cbReserveCFFolder!=0) {
if(!(reserved = (char*)PFCI_ALLOC(hfci, cbReserveCFFolder))) {
fci_set_error( FCIERR_ALLOC_FAIL, ERROR_NOT_ENOUGH_MEMORY, TRUE );
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return FALSE;
}
for(i=0;i<cbReserveCFFolder;) {
reserved[i++]='\0';
}
if( PFCI_WRITE(hfci, p_fci_internal->handleCFFOLDER, /* file handle */
reserved, /* memory buffer */
cbReserveCFFolder, /* number of bytes to copy */
err, p_fci_internal->pv) != cbReserveCFFolder ) {
PFCI_FREE(hfci, reserved);
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFFOLDER += cbReserveCFFolder;
PFCI_FREE(hfci, reserved);
}
return TRUE;
} /* end of fci_flushfolder_copy_cffolder */
static BOOL fci_flushfolder_copy_cffile(HFCI hfci, int* err, int handleCFFILE1new,
cab_ULONG *psizeFileCFFILE1new, cab_ULONG payload)
{
CFFILE cffile;
cab_ULONG read_result;
cab_ULONG seek=0;
cab_ULONG sizeOfFiles=0, sizeOfFilesPrev;
BOOL may_be_prev=TRUE;
cab_ULONG cbFileRemainer=0;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
/* set seek of p_fci_internal->handleCFFILE1 to 0 */
if( PFCI_SEEK(hfci,p_fci_internal->handleCFFILE1,0,SEEK_SET,err,
p_fci_internal->pv) !=0 ) {
/* wrong return value */
fci_set_error( FCIERR_NONE, ERROR_SEEK, TRUE );
return FALSE;
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}
/* TODO error handling of err */
/* while not all CFFILE structures have been copied do */
while(!FALSE) {
/* REUSE the variable read_result */
/* read data from p_fci_internal->handleCFFILE1 to cffile */
read_result = PFCI_READ(hfci,p_fci_internal->handleCFFILE1/* file handle */,
&cffile, /* memory buffer */
sizeof(cffile), /* number of bytes to copy */
err, p_fci_internal->pv);
if( read_result != sizeof(cffile) ) {
if( read_result == 0 ) break; /* ALL CFFILE structures have been copied */
/* read error */
fci_set_error( FCIERR_NONE, ERROR_READ_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
/* Microsoft's(R) CABINET.DLL would do a seek to the current! */
/* position. I don't know why so I'll just omit it */
/* read the filename from p_fci_internal->handleCFFILE1 */
/* REUSE the variable read_result AGAIN */
/* REUSE the memory buffer PFCI(hfci)->data_out */
if( PFCI_READ(hfci, p_fci_internal->handleCFFILE1 /*file handle*/,
p_fci_internal->data_out, /* memory buffer */
CB_MAX_FILENAME, /* number of bytes to copy */
err, p_fci_internal->pv) <2) {
/* read error */
fci_set_error( FCIERR_NONE, ERROR_READ_FAULT, TRUE );
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return FALSE;
}
/* TODO maybe other checks of read_result */
/* TODO error handling of err */
/* safety */
if( strlen(p_fci_internal->data_out)>=CB_MAX_FILENAME ) {
/* set error code internal error */
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
seek+=sizeof(cffile) + strlen(p_fci_internal->data_out)+1;
/* set seek of p_fci_internal->handleCFFILE1 to end of file name */
/* i.e. seek to the next CFFILE area */
if( PFCI_SEEK(hfci,p_fci_internal->handleCFFILE1,
seek, /* seek position*/
SEEK_SET ,err,
p_fci_internal->pv)
!= seek) {
/* wrong return value */
fci_set_error( FCIERR_NONE, ERROR_SEEK, TRUE );
return FALSE;
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}
/* TODO error handling of err */
/* fnfilfnfildest: placed file on cabinet */
if (p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain) {
PFCI_FILEPLACED( hfci, &(p_fci_internal->oldCCAB),
p_fci_internal->data_out, /* the file name*/
cffile.cbFile, /* file size */
(cffile.iFolder==cffileCONTINUED_FROM_PREV),
p_fci_internal->pv
);
} else {
PFCI_FILEPLACED( hfci, p_fci_internal->pccab,
p_fci_internal->data_out, /* the file name*/
cffile.cbFile, /* file size */
(cffile.iFolder==cffileCONTINUED_FROM_PREV),
p_fci_internal->pv
);
}
/* Check special iFolder values */
if( cffile.iFolder==cffileCONTINUED_FROM_PREV &&
p_fci_internal->fPrevCab==FALSE ) {
/* THIS MAY NEVER HAPPEN */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
if( cffile.iFolder==cffileCONTINUED_PREV_AND_NEXT ||
cffile.iFolder==cffileCONTINUED_TO_NEXT ) {
/* THIS MAY NEVER HAPPEN */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
if( may_be_prev && cffile.iFolder!=cffileCONTINUED_FROM_PREV ) {
may_be_prev=FALSE;
}
if( cffile.iFolder==cffileCONTINUED_FROM_PREV && may_be_prev==FALSE ) {
/* THIS MAY NEVER HAPPEN */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
if( cffile.iFolder!=cffileCONTINUED_FROM_PREV ) {
may_be_prev=FALSE;
}
sizeOfFilesPrev=sizeOfFiles;
/* Set complete size of all processed files */
if( cffile.iFolder==cffileCONTINUED_FROM_PREV &&
p_fci_internal->cbFileRemainer!=0
) {
sizeOfFiles+=p_fci_internal->cbFileRemainer;
p_fci_internal->cbFileRemainer=0;
} else {
sizeOfFiles+=cffile.cbFile;
}
/* Check if spanned file fits into this cabinet folder */
if( cffile.iFolder==cffileCONTINUED_FROM_PREV && sizeOfFiles>payload ) {
cffile.iFolder=cffileCONTINUED_PREV_AND_NEXT;
} else
/* Check if file doesn't fit into this cabinet folder */
if( sizeOfFiles>payload ) {
cffile.iFolder=cffileCONTINUED_TO_NEXT;
}
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/* set little endian */
cffile.cbFile=fci_endian_ulong(cffile.cbFile);
cffile.uoffFolderStart=fci_endian_ulong(cffile.uoffFolderStart);
cffile.iFolder=fci_endian_uword(cffile.iFolder);
cffile.date=fci_endian_uword(cffile.date);
cffile.time=fci_endian_uword(cffile.time);
cffile.attribs=fci_endian_uword(cffile.attribs);
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/* write cffile to p_fci_internal->handleCFFILE2 */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFFILE2, /* file handle */
&cffile, /* memory buffer */
sizeof(cffile), /* number of bytes to copy */
err, p_fci_internal->pv) != sizeof(cffile) ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFFILE2 += sizeof(cffile);
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/* reset little endian */
cffile.cbFile=fci_endian_ulong(cffile.cbFile);
cffile.uoffFolderStart=fci_endian_ulong(cffile.uoffFolderStart);
cffile.iFolder=fci_endian_uword(cffile.iFolder);
cffile.date=fci_endian_uword(cffile.date);
cffile.time=fci_endian_uword(cffile.time);
cffile.attribs=fci_endian_uword(cffile.attribs);
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/* write file name to p_fci_internal->handleCFFILE2 */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFFILE2, /* file handle */
p_fci_internal->data_out, /* memory buffer */
strlen(p_fci_internal->data_out)+1, /* number of bytes to copy */
err, p_fci_internal->pv) != strlen(p_fci_internal->data_out)+1 ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFFILE2 += strlen(p_fci_internal->data_out)+1;
/* cFiles is used to count all files of a cabinet */
++(p_fci_internal->cFiles);
/* This is only true for files which will be written into the */
/* next cabinet of the spanning folder */
if( sizeOfFiles>payload ) {
/* Files which data will be partially written into the current cabinet */
if( cffile.iFolder==cffileCONTINUED_PREV_AND_NEXT ||
cffile.iFolder==cffileCONTINUED_TO_NEXT
) {
if( sizeOfFilesPrev<=payload ) {
/* The size of the uncompressed, data of a spanning file in a */
/* spanning data */
cbFileRemainer=sizeOfFiles-payload;
}
cffile.iFolder=cffileCONTINUED_FROM_PREV;
} else {
cffile.iFolder=0;
}
/* write cffile into handleCFFILE1new */
if( PFCI_WRITE(hfci, handleCFFILE1new, /* file handle */
&cffile, /* memory buffer */
sizeof(cffile), /* number of bytes to copy */
err, p_fci_internal->pv) != sizeof(cffile) ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
*psizeFileCFFILE1new += sizeof(cffile);
/* write name of file into handleCFFILE1new */
if( PFCI_WRITE(hfci, handleCFFILE1new, /* file handle */
p_fci_internal->data_out, /* memory buffer */
strlen(p_fci_internal->data_out)+1, /* number of bytes to copy */
err, p_fci_internal->pv) != strlen(p_fci_internal->data_out)+1 ) {
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
*psizeFileCFFILE1new += strlen(p_fci_internal->data_out)+1;
}
} /* END OF while */
p_fci_internal->cbFileRemainer=cbFileRemainer;
return TRUE;
} /* end of fci_flushfolder_copy_cffile */
static BOOL fci_flush_folder(
HFCI hfci,
BOOL fGetNextCab,
PFNFCIGETNEXTCABINET pfnfcignc,
PFNFCISTATUS pfnfcis)
{
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int err;
int handleCFDATA1new; /* handle for new temp file */
char szFileNameCFDATA1new[CB_MAX_FILENAME]; /* name buffer for temp file */
int handleCFFILE1new; /* handle for new temp file */
char szFileNameCFFILE1new[CB_MAX_FILENAME]; /* name buffer for temp file */
UINT cbReserveCFData, cbReserveCFFolder;
char* reserved;
cab_ULONG sizeFileCFDATA1new=0;
cab_ULONG sizeFileCFFILE1new=0;
cab_ULONG sizeFileCFDATA2old;
cab_ULONG payload;
cab_ULONG read_result;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
/* test hfci */
if (!REALLY_IS_FCI(hfci)) {
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
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if ((!pfnfcignc) || (!pfnfcis)) {
fci_set_error( FCIERR_NONE, ERROR_BAD_ARGUMENTS, TRUE );
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return FALSE;
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}
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if( p_fci_internal->fGetNextCabInVain &&
p_fci_internal->fNextCab ){
/* internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* If there was no FCIAddFile or FCIFlushFolder has already been called */
/* this function will return TRUE */
if( p_fci_internal->sizeFileCFFILE1 == 0 ) {
if ( p_fci_internal->sizeFileCFDATA1 != 0 ) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
return TRUE;
}
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if (p_fci_internal->data_in==NULL || p_fci_internal->data_out==NULL ) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* FCIFlushFolder has already been called... */
if (p_fci_internal->fSplitFolder && p_fci_internal->sizeFileCFFILE2!=0) {
return TRUE;
}
/* This can be set already, because it makes only a difference */
/* when the current function exits with return FALSE */
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p_fci_internal->fSplitFolder=FALSE;
if( p_fci_internal->fGetNextCabInVain ||
p_fci_internal->fNextCab ){
cbReserveCFData = p_fci_internal->oldCCAB.cbReserveCFData;
cbReserveCFFolder = p_fci_internal->oldCCAB.cbReserveCFFolder;
} else {
cbReserveCFData = p_fci_internal->pccab->cbReserveCFData;
cbReserveCFFolder = p_fci_internal->pccab->cbReserveCFFolder;
}
/* START of COPY */
/* if there is data in p_fci_internal->data_in */
if (p_fci_internal->cdata_in!=0) {
if( !fci_flush_data_block(hfci, &err, pfnfcis) ) return FALSE;
}
/* reset to get the number of data blocks of this folder which are */
/* actually in this cabinet ( at least partially ) */
p_fci_internal->cDataBlocks=0;
if ( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
read_result= p_fci_internal->oldCCAB.cbReserveCFHeader+
p_fci_internal->oldCCAB.cbReserveCFFolder;
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
read_result+=4;
}
} else {
read_result= p_fci_internal->pccab->cbReserveCFHeader+
p_fci_internal->pccab->cbReserveCFFolder;
if ( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
read_result+=4;
}
}
if (p_fci_internal->fPrevCab) {
read_result+=strlen(p_fci_internal->szPrevCab)+1 +
strlen(p_fci_internal->szPrevDisk)+1;
}
if (p_fci_internal->fNextCab) {
read_result+=strlen(p_fci_internal->pccab->szCab)+1 +
strlen(p_fci_internal->pccab->szDisk)+1;
}
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p_fci_internal->statusFolderTotal = sizeof(CFHEADER)+read_result+
sizeof(CFFOLDER) + p_fci_internal->sizeFileCFFILE2+
p_fci_internal->sizeFileCFDATA2 + p_fci_internal->sizeFileCFFILE1+
p_fci_internal->sizeFileCFDATA1 + p_fci_internal->sizeFileCFFOLDER;
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p_fci_internal->statusFolderCopied = 0;
/* report status with pfnfcis about copied size of folder */
if( (*pfnfcis)(statusFolder, p_fci_internal->statusFolderCopied,
p_fci_internal->statusFolderTotal, /* TODO total folder size */
p_fci_internal->pv) == -1) {
fci_set_error( FCIERR_USER_ABORT, 0, TRUE );
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return FALSE;
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}
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/* get a new temp file */
if(!PFCI_GETTEMPFILE(hfci,szFileNameCFDATA1new,CB_MAX_FILENAME)) {
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
/* safety */
if ( strlen(szFileNameCFDATA1new) >= CB_MAX_FILENAME ) {
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
handleCFDATA1new = PFCI_OPEN(hfci,szFileNameCFDATA1new,34050,384,&err,
p_fci_internal->pv);
if(handleCFDATA1new==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
/* TODO error handling of err */
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/* get a new temp file */
if(!PFCI_GETTEMPFILE(hfci,szFileNameCFFILE1new,CB_MAX_FILENAME)) {
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
/* safety */
if ( strlen(szFileNameCFFILE1new) >= CB_MAX_FILENAME ) {
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
handleCFFILE1new = PFCI_OPEN(hfci,szFileNameCFFILE1new,34050,384,&err,
p_fci_internal->pv);
if(handleCFFILE1new==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
/* TODO error handling of err */
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/* USE the variable read_result */
if ( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
read_result= p_fci_internal->oldCCAB.cbReserveCFHeader;
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
read_result+=4;
}
} else {
read_result= p_fci_internal->pccab->cbReserveCFHeader;
if ( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
read_result+=4;
}
}
if (p_fci_internal->fPrevCab) {
read_result+=strlen(p_fci_internal->szPrevCab)+1 +
strlen(p_fci_internal->szPrevDisk)+1;
}
read_result+= sizeof(CFHEADER) + p_fci_internal->sizeFileCFDATA2 +
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER;
if(p_fci_internal->sizeFileCFFILE1!=0) {
read_result+= sizeof(CFFOLDER)+p_fci_internal->pccab->cbReserveCFFolder;
}
/* Check if multiple cabinets have to be created. */
/* Might be too much data for the maximum allowed cabinet size.*/
/* When any further data will be added later, it might not */
/* be possible to flush the cabinet, because there might */
/* not be enough space to store the name of the following */
/* cabinet and name of the corresponding disk. */
/* So take care of this and get the name of the next cabinet */
if( p_fci_internal->fGetNextCabInVain==FALSE &&
p_fci_internal->fNextCab==FALSE &&
(
(
p_fci_internal->pccab->cb < read_result +
p_fci_internal->sizeFileCFDATA1 +
p_fci_internal->sizeFileCFFILE1 +
CB_MAX_CABINET_NAME + /* next cabinet name */
CB_MAX_DISK_NAME /* next disk name */
) || fGetNextCab
)
) {
/* save CCAB */
memcpy(&(p_fci_internal->oldCCAB), p_fci_internal->pccab, sizeof(CCAB));
/* increment cabinet index */
++(p_fci_internal->pccab->iCab);
/* get name of next cabinet */
p_fci_internal->estimatedCabinetSize=p_fci_internal->statusFolderTotal;
if (!(*pfnfcignc)(p_fci_internal->pccab,
p_fci_internal->estimatedCabinetSize, /* estimated size of cab */
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p_fci_internal->pv)) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE(hfci,handleCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
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/* Skip a few lines of code. This is caught by the next if. */
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p_fci_internal->fGetNextCabInVain=TRUE;
}
/* too much data for cabinet */
if( (p_fci_internal->fGetNextCabInVain ||
p_fci_internal->fNextCab ) &&
(
(
p_fci_internal->oldCCAB.cb < read_result +
p_fci_internal->sizeFileCFDATA1 +
p_fci_internal->sizeFileCFFILE1 +
strlen(p_fci_internal->pccab->szCab)+1 + /* next cabinet name */
strlen(p_fci_internal->pccab->szDisk)+1 /* next disk name */
) || fGetNextCab
)
) {
p_fci_internal->fGetNextCabInVain=FALSE;
p_fci_internal->fNextCab=TRUE;
/* return FALSE if there is not enough space left*/
/* this should never happen */
if (p_fci_internal->oldCCAB.cb <=
p_fci_internal->sizeFileCFFILE1 +
read_result +
strlen(p_fci_internal->pccab->szCab)+1 + /* next cabinet name */
strlen(p_fci_internal->pccab->szDisk)+1 /* next disk name */
) {
PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,szFileNameCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
/* close and delete p_fci_internal->handleCFFILE1 */
PFCI_CLOSE(hfci,handleCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,szFileNameCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
/* the folder will be split across cabinets */
p_fci_internal->fSplitFolder=TRUE;
} else {
/* this should never happen */
if (p_fci_internal->fNextCab) {
/* internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
}
/* set seek of p_fci_internal->handleCFDATA1 to 0 */
if( PFCI_SEEK(hfci,p_fci_internal->handleCFDATA1,0,SEEK_SET,&err,
p_fci_internal->pv) !=0 ) {
/* wrong return value */
fci_set_error( FCIERR_NONE, ERROR_SEEK, TRUE );
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PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE(hfci,handleCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
/* TODO error handling of err */
/* save size of file CFDATA2 - required for the folder's offset to data */
sizeFileCFDATA2old = p_fci_internal->sizeFileCFDATA2;
if(!(reserved = (char*)PFCI_ALLOC(hfci, cbReserveCFData+sizeof(CFDATA)))) {
fci_set_error( FCIERR_ALLOC_FAIL, ERROR_NOT_ENOUGH_MEMORY, TRUE );
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PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE(hfci,handleCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
if(!fci_flushfolder_copy_cfdata(hfci, reserved, cbReserveCFData, pfnfcis, &err,
handleCFDATA1new, &sizeFileCFDATA1new, &payload
)) {
PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,szFileNameCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE(hfci,handleCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_FREE(hfci,reserved);
return FALSE;
}
PFCI_FREE(hfci,reserved);
if(!fci_flushfolder_copy_cffolder(hfci, &err, cbReserveCFFolder,
sizeFileCFDATA2old )) {
PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,szFileNameCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE(hfci,handleCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
if(!fci_flushfolder_copy_cffile(hfci, &err, handleCFFILE1new,
&sizeFileCFFILE1new, payload)) {
PFCI_CLOSE(hfci,handleCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,szFileNameCFDATA1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE(hfci,handleCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,szFileNameCFFILE1new,&err,p_fci_internal->pv);
/* TODO error handling of err */
return FALSE;
}
/* close and delete p_fci_internal->handleCFDATA1 */
PFCI_CLOSE(hfci,p_fci_internal->handleCFDATA1,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,p_fci_internal->szFileNameCFDATA1,&err,p_fci_internal->pv);
/* TODO error handling of err */
/* put new CFDATA1 into hfci */
memcpy(p_fci_internal->szFileNameCFDATA1,szFileNameCFDATA1new,
CB_MAX_FILENAME);
/* put CFDATA1 file handle */
PFCI_INT(hfci)->handleCFDATA1 = handleCFDATA1new;
/* set file size */
PFCI_INT(hfci)->sizeFileCFDATA1 = sizeFileCFDATA1new;
/* close and delete PFCI_INT(hfci)->handleCFFILE1 */
PFCI_CLOSE(hfci,p_fci_internal->handleCFFILE1,&err,PFCI_INT(hfci)->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci,p_fci_internal->szFileNameCFFILE1,&err,p_fci_internal->pv);
/* TODO error handling of err */
/* put new CFFILE1 into hfci */
memcpy(p_fci_internal->szFileNameCFFILE1,szFileNameCFFILE1new,
CB_MAX_FILENAME);
/* put CFFILE1 file handle */
p_fci_internal->handleCFFILE1 = handleCFFILE1new;
/* set file size */
p_fci_internal->sizeFileCFFILE1 = sizeFileCFFILE1new;
++(p_fci_internal->cFolders);
/* reset CFFolder specific information */
p_fci_internal->cDataBlocks=0;
p_fci_internal->cCompressedBytesInFolder=0;
return TRUE;
} /* end of fci_flush_folder */
static BOOL fci_flush_cabinet(
HFCI hfci,
BOOL fGetNextCab,
PFNFCIGETNEXTCABINET pfnfcignc,
PFNFCISTATUS pfnfcis)
{
int err;
CFHEADER cfheader;
struct {
cab_UWORD cbCFHeader;
cab_UBYTE cbCFFolder;
cab_UBYTE cbCFData;
} cfreserved;
CFFOLDER cffolder;
cab_ULONG read_result=0;
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int handleCABINET; /* file handle for cabinet */
char szFileNameCABINET[CB_MAX_CAB_PATH+CB_MAX_CABINET_NAME];/* name buffer */
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UINT cbReserveCFHeader, cbReserveCFFolder, i;
char* reserved;
BOOL returntrue=FALSE;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
/* TODO test if fci_flush_cabinet really aborts if there was no FCIAddFile */
/* when FCIFlushCabinet was or FCIAddFile hasn't been called */
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if( p_fci_internal->sizeFileCFFILE1==0 && fGetNextCab ) {
returntrue=TRUE;
}
if (!fci_flush_folder(hfci,fGetNextCab,pfnfcignc,pfnfcis)){
/* TODO set error */
return FALSE;
}
if(returntrue) return TRUE;
if ( (p_fci_internal->fSplitFolder && p_fci_internal->fNextCab==FALSE)||
(p_fci_internal->sizeFileCFFOLDER==0 &&
(p_fci_internal->sizeFileCFFILE1!=0 ||
p_fci_internal->sizeFileCFFILE2!=0 )
) )
{
/* error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
if( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
cbReserveCFFolder=p_fci_internal->oldCCAB.cbReserveCFFolder;
cbReserveCFHeader=p_fci_internal->oldCCAB.cbReserveCFHeader;
/* safety */
if (strlen(p_fci_internal->oldCCAB.szCabPath)>=CB_MAX_CAB_PATH ||
strlen(p_fci_internal->oldCCAB.szCab)>=CB_MAX_CABINET_NAME) {
/* set error */
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
/* get the full name of the cabinet */
memcpy(szFileNameCABINET,p_fci_internal->oldCCAB.szCabPath,
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CB_MAX_CAB_PATH);
memcpy(szFileNameCABINET+strlen(szFileNameCABINET),
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p_fci_internal->oldCCAB.szCab, CB_MAX_CABINET_NAME);
} else {
cbReserveCFFolder=p_fci_internal->pccab->cbReserveCFFolder;
cbReserveCFHeader=p_fci_internal->pccab->cbReserveCFHeader;
/* safety */
if (strlen(p_fci_internal->pccab->szCabPath)>=CB_MAX_CAB_PATH ||
strlen(p_fci_internal->pccab->szCab)>=CB_MAX_CABINET_NAME) {
/* set error */
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
/* get the full name of the cabinet */
memcpy(szFileNameCABINET,p_fci_internal->pccab->szCabPath,
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CB_MAX_CAB_PATH);
memcpy(szFileNameCABINET+strlen(szFileNameCABINET),
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p_fci_internal->pccab->szCab, CB_MAX_CABINET_NAME);
}
memcpy(cfheader.signature,"!CAB",4);
cfheader.reserved1=0;
cfheader.cbCabinet= /* size of the cabinet file in bytes */
sizeof(CFHEADER) +
p_fci_internal->sizeFileCFFOLDER +
p_fci_internal->sizeFileCFFILE2 +
p_fci_internal->sizeFileCFDATA2;
if (p_fci_internal->fPrevCab) {
cfheader.cbCabinet+=strlen(p_fci_internal->szPrevCab)+1 +
strlen(p_fci_internal->szPrevDisk)+1;
}
if (p_fci_internal->fNextCab) {
cfheader.cbCabinet+=strlen(p_fci_internal->pccab->szCab)+1 +
strlen(p_fci_internal->pccab->szDisk)+1;
}
if( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
cfheader.cbCabinet+=p_fci_internal->oldCCAB.cbReserveCFHeader;
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
cfheader.cbCabinet+=4;
}
} else {
cfheader.cbCabinet+=p_fci_internal->pccab->cbReserveCFHeader;
if ( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
cfheader.cbCabinet+=4;
}
}
if( ( ( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) &&
cfheader.cbCabinet > p_fci_internal->oldCCAB.cb
) ||
( ( p_fci_internal->fNextCab==FALSE &&
p_fci_internal->fGetNextCabInVain==FALSE ) &&
cfheader.cbCabinet > p_fci_internal->pccab->cb
)
)
{
fci_set_error( FCIERR_NONE, ERROR_MORE_DATA, TRUE );
return FALSE;
}
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cfheader.reserved2=0;
cfheader.coffFiles= /* offset to first CFFILE section */
cfheader.cbCabinet - p_fci_internal->sizeFileCFFILE2 -
p_fci_internal->sizeFileCFDATA2;
cfheader.reserved3=0;
cfheader.versionMinor=3;
cfheader.versionMajor=1;
/* number of CFFOLDER entries in the cabinet */
cfheader.cFolders=p_fci_internal->cFolders;
/* number of CFFILE entries in the cabinet */
cfheader.cFiles=p_fci_internal->cFiles;
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cfheader.flags=0; /* 1=prev cab, 2=next cabinet, 4=reserved sections */
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if( p_fci_internal->fPrevCab ) {
cfheader.flags = cfheadPREV_CABINET;
}
if( p_fci_internal->fNextCab ) {
cfheader.flags |= cfheadNEXT_CABINET;
}
if( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
if( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
cfheader.flags |= cfheadRESERVE_PRESENT;
}
cfheader.setID = p_fci_internal->oldCCAB.setID;
cfheader.iCabinet = p_fci_internal->oldCCAB.iCab-1;
} else {
if( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
cfheader.flags |= cfheadRESERVE_PRESENT;
}
cfheader.setID = p_fci_internal->pccab->setID;
cfheader.iCabinet = p_fci_internal->pccab->iCab-1;
}
/* create the cabinet */
handleCABINET = PFCI_OPEN(hfci, szFileNameCABINET,
33538, 384, &err, p_fci_internal->pv );
if(handleCABINET==0){
fci_set_error( FCIERR_CAB_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
/* TODO error checking of err */
2005-06-29 13:19:47 +02:00
/* set little endian */
cfheader.reserved1=fci_endian_ulong(cfheader.reserved1);
cfheader.cbCabinet=fci_endian_ulong(cfheader.cbCabinet);
cfheader.reserved2=fci_endian_ulong(cfheader.reserved2);
cfheader.coffFiles=fci_endian_ulong(cfheader.coffFiles);
cfheader.reserved3=fci_endian_ulong(cfheader.reserved3);
cfheader.cFolders=fci_endian_uword(cfheader.cFolders);
cfheader.cFiles=fci_endian_uword(cfheader.cFiles);
cfheader.flags=fci_endian_uword(cfheader.flags);
cfheader.setID=fci_endian_uword(cfheader.setID);
cfheader.iCabinet=fci_endian_uword(cfheader.iCabinet);
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/* write CFHEADER into cabinet file */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
&cfheader, /* memory buffer */
sizeof(cfheader), /* number of bytes to copy */
&err, p_fci_internal->pv) != sizeof(cfheader) ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
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/* reset little endian */
cfheader.reserved1=fci_endian_ulong(cfheader.reserved1);
cfheader.cbCabinet=fci_endian_ulong(cfheader.cbCabinet);
cfheader.reserved2=fci_endian_ulong(cfheader.reserved2);
cfheader.coffFiles=fci_endian_ulong(cfheader.coffFiles);
cfheader.reserved3=fci_endian_ulong(cfheader.reserved3);
cfheader.cFolders=fci_endian_uword(cfheader.cFolders);
cfheader.cFiles=fci_endian_uword(cfheader.cFiles);
cfheader.flags=fci_endian_uword(cfheader.flags);
cfheader.setID=fci_endian_uword(cfheader.setID);
cfheader.iCabinet=fci_endian_uword(cfheader.iCabinet);
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if( cfheader.flags & cfheadRESERVE_PRESENT ) {
/* NOTE: No checks for maximum value overflows as designed by MS!!! */
cfreserved.cbCFHeader = cbReserveCFHeader;
cfreserved.cbCFFolder = cbReserveCFFolder;
if( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
cfreserved.cbCFData = p_fci_internal->oldCCAB.cbReserveCFData;
} else {
cfreserved.cbCFData = p_fci_internal->pccab->cbReserveCFData;
}
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/* set little endian */
cfreserved.cbCFHeader=fci_endian_uword(cfreserved.cbCFHeader);
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/* write reserved info into cabinet file */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
&cfreserved, /* memory buffer */
sizeof(cfreserved), /* number of bytes to copy */
&err, p_fci_internal->pv) != sizeof(cfreserved) ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
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/* reset little endian */
cfreserved.cbCFHeader=fci_endian_uword(cfreserved.cbCFHeader);
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}
/* add optional reserved area */
if (cbReserveCFHeader!=0) {
if(!(reserved = (char*)PFCI_ALLOC(hfci, cbReserveCFHeader))) {
fci_set_error( FCIERR_ALLOC_FAIL, ERROR_NOT_ENOUGH_MEMORY, TRUE );
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return FALSE;
}
for(i=0;i<cbReserveCFHeader;) {
reserved[i++]='\0';
}
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
reserved, /* memory buffer */
cbReserveCFHeader, /* number of bytes to copy */
&err, p_fci_internal->pv) != cbReserveCFHeader ) {
PFCI_FREE(hfci, reserved);
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
PFCI_FREE(hfci, reserved);
}
if( cfheader.flags & cfheadPREV_CABINET ) {
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
p_fci_internal->szPrevCab, /* memory buffer */
strlen(p_fci_internal->szPrevCab)+1, /* number of bytes to copy */
&err, p_fci_internal->pv) != strlen(p_fci_internal->szPrevCab)+1 ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
p_fci_internal->szPrevDisk, /* memory buffer */
strlen(p_fci_internal->szPrevDisk)+1, /* number of bytes to copy */
&err, p_fci_internal->pv) != strlen(p_fci_internal->szPrevDisk)+1 ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
}
if( cfheader.flags & cfheadNEXT_CABINET ) {
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
p_fci_internal->pccab->szCab, /* memory buffer */
strlen(p_fci_internal->pccab->szCab)+1, /* number of bytes to copy */
&err, p_fci_internal->pv) != strlen(p_fci_internal->pccab->szCab)+1 ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
p_fci_internal->pccab->szDisk, /* memory buffer */
strlen(p_fci_internal->pccab->szDisk)+1, /* number of bytes to copy */
&err, p_fci_internal->pv) != strlen(p_fci_internal->pccab->szDisk)+1 ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
}
/* set seek of p_fci_internal->handleCFFOLDER to 0 */
if( PFCI_SEEK(hfci,p_fci_internal->handleCFFOLDER,
0, SEEK_SET, &err, p_fci_internal->pv) != 0 ) {
/* wrong return value */
fci_set_error( FCIERR_NONE, ERROR_SEEK, TRUE );
return FALSE;
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}
/* TODO error handling of err */
/* while not all CFFOLDER structures have been copied into the cabinet do */
while(!FALSE) {
/* use the variable read_result */
/* read cffolder of p_fci_internal->handleCFFOLDER */
read_result = PFCI_READ(hfci, p_fci_internal->handleCFFOLDER, /* handle */
&cffolder, /* memory buffer */
sizeof(cffolder), /* number of bytes to copy */
&err, p_fci_internal->pv);
if( read_result != sizeof(cffolder) ) {
if( read_result == 0 ) break;/*ALL CFFOLDER structures have been copied*/
/* read error */
fci_set_error( FCIERR_NONE, ERROR_READ_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
/* add size of header size of all CFFOLDERs and size of all CFFILEs */
cffolder.coffCabStart +=
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER +
sizeof(CFHEADER);
if( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
cffolder.coffCabStart+=p_fci_internal->oldCCAB.cbReserveCFHeader;
} else {
cffolder.coffCabStart+=p_fci_internal->pccab->cbReserveCFHeader;
}
if (p_fci_internal->fPrevCab) {
cffolder.coffCabStart += strlen(p_fci_internal->szPrevCab)+1 +
strlen(p_fci_internal->szPrevDisk)+1;
}
if (p_fci_internal->fNextCab) {
cffolder.coffCabStart += strlen(p_fci_internal->oldCCAB.szCab)+1 +
strlen(p_fci_internal->oldCCAB.szDisk)+1;
}
if( p_fci_internal->fNextCab ||
p_fci_internal->fGetNextCabInVain ) {
cffolder.coffCabStart += p_fci_internal->oldCCAB.cbReserveCFHeader;
if( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
cffolder.coffCabStart += 4;
}
} else {
cffolder.coffCabStart += p_fci_internal->pccab->cbReserveCFHeader;
if( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
cffolder.coffCabStart += 4;
}
}
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/* set little endian */
cffolder.coffCabStart=fci_endian_ulong(cffolder.coffCabStart);
cffolder.cCFData=fci_endian_uword(cffolder.cCFData);
cffolder.typeCompress=fci_endian_uword(cffolder.typeCompress);
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2005-06-24 14:16:37 +02:00
/* write cffolder to cabinet file */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
&cffolder, /* memory buffer */
sizeof(cffolder), /* number of bytes to copy */
&err, p_fci_internal->pv) != sizeof(cffolder) ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
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/* reset little endian */
cffolder.coffCabStart=fci_endian_ulong(cffolder.coffCabStart);
cffolder.cCFData=fci_endian_uword(cffolder.cCFData);
cffolder.typeCompress=fci_endian_uword(cffolder.typeCompress);
2005-06-29 13:19:47 +02:00
2005-06-24 14:16:37 +02:00
/* add optional reserved area */
/* This allocation and freeing at each CFFolder block is a bit */
2008-01-17 00:04:38 +01:00
/* inefficient, but it's harder to forget about freeing the buffer :-). */
2005-06-24 14:16:37 +02:00
/* Reserved areas are used seldom besides that... */
if (cbReserveCFFolder!=0) {
if(!(reserved = PFCI_ALLOC(hfci, cbReserveCFFolder))) {
fci_set_error( FCIERR_ALLOC_FAIL, ERROR_NOT_ENOUGH_MEMORY, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
if( PFCI_READ(hfci, p_fci_internal->handleCFFOLDER, /* file handle */
reserved, /* memory buffer */
cbReserveCFFolder, /* number of bytes to copy */
&err, p_fci_internal->pv) != cbReserveCFFolder ) {
PFCI_FREE(hfci, reserved);
/* read error */
fci_set_error( FCIERR_NONE, ERROR_READ_FAULT, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* TODO error handling of err */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
reserved, /* memory buffer */
cbReserveCFFolder, /* number of bytes to copy */
&err, p_fci_internal->pv) != cbReserveCFFolder ) {
PFCI_FREE(hfci, reserved);
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* TODO error handling of err */
PFCI_FREE(hfci, reserved);
}
} /* END OF while */
/* set seek of p_fci_internal->handleCFFILE2 to 0 */
if( PFCI_SEEK(hfci,p_fci_internal->handleCFFILE2,
0, SEEK_SET, &err, p_fci_internal->pv) != 0 ) {
/* wrong return value */
fci_set_error( FCIERR_NONE, ERROR_SEEK, TRUE );
return FALSE;
2005-06-24 14:16:37 +02:00
}
/* TODO error handling of err */
/* while not all CFFILE structures have been copied to the cabinet do */
while(!FALSE) {
/* REUSE the variable read_result */
/* REUSE the buffer p_fci_internal->data_out AGAIN */
/* read a block from p_fci_internal->handleCFFILE2 */
read_result = PFCI_READ(hfci, p_fci_internal->handleCFFILE2 /* handle */,
p_fci_internal->data_out, /* memory buffer */
CB_MAX_CHUNK, /* number of bytes to copy */
2005-06-24 14:16:37 +02:00
&err, p_fci_internal->pv);
if( read_result == 0 ) break; /* ALL CFFILE structures have been copied */
/* TODO error handling of err */
/* write the block to the cabinet file */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
p_fci_internal->data_out, /* memory buffer */
read_result, /* number of bytes to copy */
&err, p_fci_internal->pv) != read_result ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* TODO error handling of err */
if (p_fci_internal->fSplitFolder==FALSE) {
p_fci_internal->statusFolderCopied = 0;
/* TODO TEST THIS further */
2005-06-24 14:16:37 +02:00
p_fci_internal->statusFolderTotal = p_fci_internal->sizeFileCFDATA2+
p_fci_internal->sizeFileCFFILE2;
}
p_fci_internal->statusFolderCopied += read_result;
/* report status with pfnfcis about copied size of folder */
if( (*pfnfcis)(statusFolder,
p_fci_internal->statusFolderCopied, /* length of copied blocks */
p_fci_internal->statusFolderTotal, /* total size of folder */
p_fci_internal->pv) == -1) {
fci_set_error( FCIERR_USER_ABORT, 0, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
} /* END OF while */
/* set seek of p_fci_internal->handleCFDATA2 to 0 */
if( PFCI_SEEK(hfci,p_fci_internal->handleCFDATA2,
0, SEEK_SET, &err, p_fci_internal->pv) != 0 ) {
/* wrong return value */
fci_set_error( FCIERR_NONE, ERROR_SEEK, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* TODO error handling of err */
/* reset the number of folders for the next cabinet */
p_fci_internal->cFolders=0;
/* reset the number of files for the next cabinet */
p_fci_internal->cFiles=0;
/* while not all CFDATA structures have been copied to the cabinet do */
while(!FALSE) {
/* REUSE the variable read_result AGAIN */
/* REUSE the buffer p_fci_internal->data_out AGAIN */
/* read a block from p_fci_internal->handleCFDATA2 */
read_result = PFCI_READ(hfci, p_fci_internal->handleCFDATA2 /* handle */,
p_fci_internal->data_out, /* memory buffer */
CB_MAX_CHUNK, /* number of bytes to copy */
2005-06-24 14:16:37 +02:00
&err, p_fci_internal->pv);
if( read_result == 0 ) break; /* ALL CFDATA structures have been copied */
/* TODO error handling of err */
/* write the block to the cabinet file */
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
p_fci_internal->data_out, /* memory buffer */
read_result, /* number of bytes to copy */
&err, p_fci_internal->pv) != read_result ) {
/* write error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* TODO error handling of err */
p_fci_internal->statusFolderCopied += read_result;
/* report status with pfnfcis about copied size of folder */
if( (*pfnfcis)(statusFolder,
p_fci_internal->statusFolderCopied, /* length of copied blocks */
p_fci_internal->statusFolderTotal, /* total size of folder */
p_fci_internal->pv) == -1) {
/* set error code and abort */
fci_set_error( FCIERR_USER_ABORT, 0, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
} /* END OF while */
/* set seek of the cabinet file to 0 */
if( PFCI_SEEK(hfci, handleCABINET,
0, SEEK_SET, &err, p_fci_internal->pv) != 0 ) {
/* wrong return value */
fci_set_error( FCIERR_NONE, ERROR_SEEK, TRUE );
return FALSE;
2005-06-24 14:16:37 +02:00
}
/* TODO error handling of err */
/* write the signature "MSCF" into the cabinet file */
memcpy( cfheader.signature, "MSCF", 4 );
if( PFCI_WRITE(hfci, handleCABINET, /* file handle */
&cfheader, /* memory buffer */
4, /* number of bytes to copy */
&err, p_fci_internal->pv) != 4 ) {
/* wrtie error */
fci_set_error( FCIERR_CAB_FILE, ERROR_WRITE_FAULT, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* TODO error handling of err */
/* close the cabinet file */
PFCI_CLOSE(hfci,handleCABINET,&err,p_fci_internal->pv);
/* TODO error handling of err */
/* COPIED FROM FCIDestroy */
PFCI_CLOSE (hfci, p_fci_internal->handleCFDATA2,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFDATA2, &err,
p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE (hfci, p_fci_internal->handleCFFILE2,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFFILE2, &err,
p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE (hfci, p_fci_internal->handleCFFOLDER,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFFOLDER, &err,
p_fci_internal->pv);
/* TODO error handling of err */
/* END OF copied from FCIDestroy */
/* get 3 temporary files and open them */
/* write names and handles to hfci */
p_fci_internal->sizeFileCFDATA2 = 0;
p_fci_internal->sizeFileCFFILE2 = 0;
p_fci_internal->sizeFileCFFOLDER = 0;
/* COPIED FROM FCICreate */
/* CFDATA with checksum and ready to be copied into cabinet */
if( !PFCI_GETTEMPFILE(hfci, p_fci_internal->szFileNameCFDATA2,
CB_MAX_FILENAME)) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFDATA2) >= CB_MAX_FILENAME ) {
/* set error code and abort */
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
p_fci_internal->handleCFDATA2 = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFDATA2, 34050, 384, &err, p_fci_internal->pv);
/* check handle */
if(p_fci_internal->handleCFDATA2==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
2005-06-24 14:16:37 +02:00
/* TODO error checking of err */
/* array of all CFFILE in a folder, ready to be copied into cabinet */
if( !PFCI_GETTEMPFILE(hfci,p_fci_internal->szFileNameCFFILE2,
CB_MAX_FILENAME)) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFFILE2) >= CB_MAX_FILENAME ) {
/* set error code and abort */
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
p_fci_internal->handleCFFILE2 = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFFILE2, 34050, 384, &err, p_fci_internal->pv);
/* check handle */
if(p_fci_internal->handleCFFILE2==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE);
return FALSE;
}
2005-06-24 14:16:37 +02:00
/* TODO error checking of err */
/* array of all CFFILE in a folder, ready to be copied into cabinet */
if (!PFCI_GETTEMPFILE(hfci,p_fci_internal->szFileNameCFFOLDER,CB_MAX_FILENAME)) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* safety */
if ( strlen(p_fci_internal->szFileNameCFFOLDER) >= CB_MAX_FILENAME ) {
/* set error code and abort */
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
p_fci_internal->handleCFFOLDER = PFCI_OPEN(hfci,
p_fci_internal->szFileNameCFFOLDER, 34050, 384, &err, p_fci_internal->pv);
/* check handle */
if(p_fci_internal->handleCFFOLDER==0){
fci_set_error( FCIERR_TEMP_FILE, ERROR_OPEN_FAILED, TRUE );
return FALSE;
}
2005-06-24 14:16:37 +02:00
/* TODO error checking of err */
/* END OF copied from FCICreate */
/* TODO close and delete new files when return FALSE */
/* report status with pfnfcis about copied size of folder */
(*pfnfcis)(statusCabinet,
p_fci_internal->estimatedCabinetSize, /* estimated cabinet file size */
cfheader.cbCabinet /* real cabinet file size */, p_fci_internal->pv);
2005-06-24 14:16:37 +02:00
p_fci_internal->fPrevCab=TRUE;
/* The sections szPrevCab and szPrevDisk are not being updated, because */
/* MS CABINET.DLL always puts the first cabinet name and disk into them */
if (p_fci_internal->fNextCab) {
p_fci_internal->fNextCab=FALSE;
if (p_fci_internal->sizeFileCFFILE1==0 && p_fci_internal->sizeFileCFDATA1!=0) {
/* THIS CAN NEVER HAPPEN */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
2005-06-24 14:16:37 +02:00
return FALSE;
}
/* COPIED FROM FCIAddFile and modified */
/* REUSE the variable read_result */
if (p_fci_internal->fGetNextCabInVain) {
read_result=p_fci_internal->oldCCAB.cbReserveCFHeader;
if(p_fci_internal->sizeFileCFFILE1!=0) {
read_result+=p_fci_internal->oldCCAB.cbReserveCFFolder;
}
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
read_result+=4;
}
} else {
read_result=p_fci_internal->pccab->cbReserveCFHeader;
if(p_fci_internal->sizeFileCFFILE1!=0) {
read_result+=p_fci_internal->pccab->cbReserveCFFolder;
}
if ( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
read_result+=4;
}
}
if ( p_fci_internal->fPrevCab ) {
read_result+= strlen(p_fci_internal->szPrevCab)+1+
strlen(p_fci_internal->szPrevDisk)+1;
}
read_result+= p_fci_internal->sizeFileCFDATA1 +
p_fci_internal->sizeFileCFFILE1 + p_fci_internal->sizeFileCFDATA2 +
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER +
sizeof(CFHEADER) +
sizeof(CFFOLDER); /* set size of new CFFolder entry */
if( p_fci_internal->fNewPrevious ) {
memcpy(p_fci_internal->szPrevCab, p_fci_internal->oldCCAB.szCab,
CB_MAX_CABINET_NAME);
memcpy(p_fci_internal->szPrevDisk, p_fci_internal->oldCCAB.szDisk,
CB_MAX_DISK_NAME);
p_fci_internal->fNewPrevious=FALSE;
}
/* too much data for the maximum size of a cabinet */
if( p_fci_internal->fGetNextCabInVain==FALSE &&
p_fci_internal->pccab->cb < read_result ) {
return fci_flush_cabinet( hfci, FALSE, pfnfcignc, pfnfcis);
}
/* Might be too much data for the maximum size of a cabinet.*/
/* When any further data will be added later, it might not */
/* be possible to flush the cabinet, because there might */
/* not be enough space to store the name of the following */
/* cabinet and name of the corresponding disk. */
/* So take care of this and get the name of the next cabinet */
if (p_fci_internal->fGetNextCabInVain==FALSE && (
p_fci_internal->pccab->cb < read_result +
CB_MAX_CABINET_NAME + CB_MAX_DISK_NAME
)) {
/* save CCAB */
memcpy(&(p_fci_internal->oldCCAB), p_fci_internal->pccab, sizeof(CCAB));
/* increment cabinet index */
++(p_fci_internal->pccab->iCab);
/* get name of next cabinet */
p_fci_internal->estimatedCabinetSize=p_fci_internal->statusFolderTotal;
if (!(*pfnfcignc)(p_fci_internal->pccab,
p_fci_internal->estimatedCabinetSize, /* estimated size of cab */
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p_fci_internal->pv)) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
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/* Skip a few lines of code. This is caught by the next if. */
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p_fci_internal->fGetNextCabInVain=TRUE;
}
/* too much data for cabinet */
if (p_fci_internal->fGetNextCabInVain && (
p_fci_internal->oldCCAB.cb < read_result +
strlen(p_fci_internal->oldCCAB.szCab)+1+
strlen(p_fci_internal->oldCCAB.szDisk)+1
)) {
p_fci_internal->fGetNextCabInVain=FALSE;
p_fci_internal->fNextCab=TRUE;
return fci_flush_cabinet( hfci, FALSE, pfnfcignc, pfnfcis);
}
/* if the FolderThreshold has been reached flush the folder automatically */
if( p_fci_internal->fGetNextCabInVain ) {
if( p_fci_internal->cCompressedBytesInFolder >=
p_fci_internal->oldCCAB.cbFolderThresh) {
return FCIFlushFolder(hfci, pfnfcignc, pfnfcis);
}
} else {
if( p_fci_internal->cCompressedBytesInFolder >=
p_fci_internal->pccab->cbFolderThresh) {
return FCIFlushFolder(hfci, pfnfcignc, pfnfcis);
}
}
/* END OF COPIED FROM FCIAddFile and modified */
if( p_fci_internal->sizeFileCFFILE1>0 ) {
if( !FCIFlushFolder(hfci, pfnfcignc, pfnfcis) ) return FALSE;
p_fci_internal->fNewPrevious=TRUE;
}
} else {
p_fci_internal->fNewPrevious=FALSE;
if( p_fci_internal->sizeFileCFFILE1>0 || p_fci_internal->sizeFileCFDATA1) {
/* THIS MAY NEVER HAPPEN */
/* set error structures */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
}
return TRUE;
} /* end of fci_flush_cabinet */
/***********************************************************************
* FCIAddFile (CABINET.11)
*
* FCIAddFile adds a file to the to be created cabinet file
*
* PARAMS
* hfci [I] An HFCI from FCICreate
* pszSourceFile [I] A pointer to a C string which contains the name and
* location of the file which will be added to the cabinet
* pszFileName [I] A pointer to a C string which contains the name under
* which the file will be stored in the cabinet
* fExecute [I] A boolean value which indicates if the file should be
* executed after extraction of self extracting
* executables
* pfnfcignc [I] A pointer to a function which gets information about
* the next cabinet
* pfnfcis [IO] A pointer to a function which will report status
* information about the compression process
* pfnfcioi [I] A pointer to a function which reports file attributes
* and time and date information
* typeCompress [I] Compression type
*
* RETURNS
* On success, returns TRUE
* On failure, returns FALSE
*
* INCLUDES
* fci.h
*
*/
BOOL __cdecl FCIAddFile(
HFCI hfci,
char *pszSourceFile,
char *pszFileName,
BOOL fExecute,
PFNFCIGETNEXTCABINET pfnfcignc,
PFNFCISTATUS pfnfcis,
PFNFCIGETOPENINFO pfnfcigoi,
TCOMP typeCompress)
{
int err;
CFFILE cffile;
cab_ULONG read_result;
int file_handle;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
/* test hfci */
if (!REALLY_IS_FCI(hfci)) {
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if ((!pszSourceFile) || (!pszFileName) || (!pfnfcignc) || (!pfnfcis) ||
(!pfnfcigoi) || strlen(pszFileName)>=CB_MAX_FILENAME) {
fci_set_error( FCIERR_NONE, ERROR_BAD_ARGUMENTS, TRUE );
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return FALSE;
}
/* TODO check if pszSourceFile??? */
if(p_fci_internal->fGetNextCabInVain && p_fci_internal->fNextCab) {
/* internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
if(p_fci_internal->fNextCab) {
/* internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
cffile.cbFile=0; /* size of the to be added file*/
/* offset of the uncompressed file in the folder */
cffile.uoffFolderStart=p_fci_internal->cDataBlocks*CAB_BLOCKMAX + p_fci_internal->cdata_in;
/* number of folder in the cabinet or special 0=first */
cffile.iFolder = p_fci_internal->cFolders;
/* allocation of memory */
if (p_fci_internal->data_in==NULL) {
if (p_fci_internal->cdata_in!=0) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
if (p_fci_internal->data_out!=NULL) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
if(!(p_fci_internal->data_in = (char*)PFCI_ALLOC(hfci,CB_MAX_CHUNK))) {
fci_set_error( FCIERR_ALLOC_FAIL, ERROR_NOT_ENOUGH_MEMORY, TRUE );
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return FALSE;
}
if (p_fci_internal->data_out==NULL) {
if(!(p_fci_internal->data_out = PFCI_ALLOC(hfci, 2 * CB_MAX_CHUNK))){
fci_set_error( FCIERR_ALLOC_FAIL, ERROR_NOT_ENOUGH_MEMORY, TRUE );
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return FALSE;
}
}
}
if (p_fci_internal->data_out==NULL) {
PFCI_FREE(hfci,p_fci_internal->data_in);
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* get information about the file */
/* set defaults in case callback doesn't set one or more fields */
cffile.attribs=0;
cffile.date=0;
cffile.time=0;
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file_handle=(*pfnfcigoi)(pszSourceFile, &(cffile.date), &(cffile.time),
&(cffile.attribs), &err, p_fci_internal->pv);
/* check file_handle */
if(file_handle==0){
fci_set_error( FCIERR_OPEN_SRC, ERROR_OPEN_FAILED, TRUE );
}
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/* TODO error handling of err */
if (fExecute) { cffile.attribs |= _A_EXEC; }
/* REUSE the variable read_result */
if (p_fci_internal->fGetNextCabInVain) {
read_result=p_fci_internal->oldCCAB.cbReserveCFHeader +
p_fci_internal->oldCCAB.cbReserveCFFolder;
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
read_result+=4;
}
} else {
read_result=p_fci_internal->pccab->cbReserveCFHeader +
p_fci_internal->pccab->cbReserveCFFolder;
if ( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
read_result+=4;
}
}
if ( p_fci_internal->fPrevCab ) {
read_result+= strlen(p_fci_internal->szPrevCab)+1+
strlen(p_fci_internal->szPrevDisk)+1;
}
if ( p_fci_internal->fNextCab ) { /* this is never the case */
read_result+= strlen(p_fci_internal->pccab->szCab)+1+
strlen(p_fci_internal->pccab->szDisk)+1;
}
read_result+= sizeof(CFFILE) + strlen(pszFileName)+1 +
p_fci_internal->sizeFileCFFILE1 + p_fci_internal->sizeFileCFDATA2 +
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER +
sizeof(CFHEADER) +
sizeof(CFFOLDER); /* size of new CFFolder entry */
/* Might be too much data for the maximum size of a cabinet.*/
/* When any further data will be added later, it might not */
/* be possible to flush the cabinet, because there might */
/* not be enough space to store the name of the following */
/* cabinet and name of the corresponding disk. */
/* So take care of this and get the name of the next cabinet */
if( p_fci_internal->fGetNextCabInVain==FALSE &&
p_fci_internal->fNextCab==FALSE &&
( p_fci_internal->pccab->cb < read_result +
CB_MAX_CABINET_NAME + CB_MAX_DISK_NAME
)
) {
/* save CCAB */
memcpy(&(p_fci_internal->oldCCAB), p_fci_internal->pccab, sizeof(CCAB));
/* increment cabinet index */
++(p_fci_internal->pccab->iCab);
/* get name of next cabinet */
p_fci_internal->estimatedCabinetSize=p_fci_internal->statusFolderTotal;
if (!(*pfnfcignc)(p_fci_internal->pccab,
p_fci_internal->estimatedCabinetSize, /* estimated size of cab */
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p_fci_internal->pv)) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
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/* Skip a few lines of code. This is caught by the next if. */
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p_fci_internal->fGetNextCabInVain=TRUE;
}
if( p_fci_internal->fGetNextCabInVain &&
p_fci_internal->fNextCab
) {
/* THIS CAN NEVER HAPPEN */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* too much data for cabinet */
if( p_fci_internal->fGetNextCabInVain &&
(
p_fci_internal->oldCCAB.cb < read_result +
strlen(p_fci_internal->pccab->szCab)+1+
strlen(p_fci_internal->pccab->szDisk)+1
)) {
p_fci_internal->fGetNextCabInVain=FALSE;
p_fci_internal->fNextCab=TRUE;
if(!fci_flush_cabinet( hfci, FALSE, pfnfcignc, pfnfcis)) return FALSE;
}
if( p_fci_internal->fNextCab ) {
/* THIS MAY NEVER HAPPEN */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* read the contents of the file blockwise */
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while (!FALSE) {
if (p_fci_internal->cdata_in > CAB_BLOCKMAX) {
/* internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
read_result = PFCI_READ(hfci, file_handle /* file handle */,
(p_fci_internal->data_in + p_fci_internal->cdata_in) /* memory buffer */,
(CAB_BLOCKMAX - p_fci_internal->cdata_in) /* number of bytes to copy */,
&err, p_fci_internal->pv);
/* TODO error handling of err */
if( read_result==0 ) break;
/* increment the block size */
p_fci_internal->cdata_in += read_result;
/* increment the file size */
cffile.cbFile += read_result;
if ( p_fci_internal->cdata_in > CAB_BLOCKMAX ) {
/* report internal error */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* write a whole block */
if ( p_fci_internal->cdata_in == CAB_BLOCKMAX ) {
if( !fci_flush_data_block(hfci, &err, pfnfcis) ) return FALSE;
}
}
/* close the file from FCIAddFile */
PFCI_CLOSE(hfci,file_handle,&err,p_fci_internal->pv);
/* TODO error handling of err */
/* write cffile to p_fci_internal->handleCFFILE1 */
if( PFCI_WRITE(hfci, p_fci_internal->handleCFFILE1, /* file handle */
&cffile, sizeof(cffile),&err, p_fci_internal->pv) != sizeof(cffile) ) {
/* write error */
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFFILE1 += sizeof(cffile);
/* append the name of file */
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if (strlen(pszFileName)>=CB_MAX_FILENAME) {
/* IMPOSSIBLE */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_INVALID_DATA, TRUE );
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return FALSE;
}
if( PFCI_WRITE(hfci, p_fci_internal->handleCFFILE1, /* file handle */
pszFileName, strlen(pszFileName)+1, &err, p_fci_internal->pv)
!= strlen(pszFileName)+1 ) {
/* write error */
fci_set_error( FCIERR_TEMP_FILE, ERROR_WRITE_FAULT, TRUE );
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return FALSE;
}
/* TODO error handling of err */
p_fci_internal->sizeFileCFFILE1 += strlen(pszFileName)+1;
/* REUSE the variable read_result */
if (p_fci_internal->fGetNextCabInVain ||
p_fci_internal->fNextCab
) {
read_result=p_fci_internal->oldCCAB.cbReserveCFHeader +
p_fci_internal->oldCCAB.cbReserveCFFolder;
if ( p_fci_internal->oldCCAB.cbReserveCFHeader != 0 ||
p_fci_internal->oldCCAB.cbReserveCFFolder != 0 ||
p_fci_internal->oldCCAB.cbReserveCFData != 0 ) {
read_result+=4;
}
} else {
read_result=p_fci_internal->pccab->cbReserveCFHeader +
p_fci_internal->pccab->cbReserveCFFolder;
if ( p_fci_internal->pccab->cbReserveCFHeader != 0 ||
p_fci_internal->pccab->cbReserveCFFolder != 0 ||
p_fci_internal->pccab->cbReserveCFData != 0 ) {
read_result+=4;
}
}
if ( p_fci_internal->fPrevCab ) {
read_result+= strlen(p_fci_internal->szPrevCab)+1+
strlen(p_fci_internal->szPrevDisk)+1;
}
if ( p_fci_internal->fNextCab ) { /* this is never the case */
read_result+= strlen(p_fci_internal->pccab->szCab)+1+
strlen(p_fci_internal->pccab->szDisk)+1;
}
read_result+= p_fci_internal->sizeFileCFDATA1 +
p_fci_internal->sizeFileCFFILE1 + p_fci_internal->sizeFileCFDATA2 +
p_fci_internal->sizeFileCFFILE2 + p_fci_internal->sizeFileCFFOLDER +
sizeof(CFHEADER) +
sizeof(CFFOLDER); /* set size of new CFFolder entry */
/* too much data for the maximum size of a cabinet */
/* (ignoring the unflushed data block) */
if( p_fci_internal->fGetNextCabInVain==FALSE &&
p_fci_internal->fNextCab==FALSE && /* this is always the case */
p_fci_internal->pccab->cb < read_result ) {
return fci_flush_cabinet( hfci, FALSE, pfnfcignc, pfnfcis);
}
/* Might be too much data for the maximum size of a cabinet.*/
/* When any further data will be added later, it might not */
/* be possible to flush the cabinet, because there might */
/* not be enough space to store the name of the following */
/* cabinet and name of the corresponding disk. */
/* So take care of this and get the name of the next cabinet */
/* (ignoring the unflushed data block) */
if( p_fci_internal->fGetNextCabInVain==FALSE &&
p_fci_internal->fNextCab==FALSE &&
( p_fci_internal->pccab->cb < read_result +
CB_MAX_CABINET_NAME + CB_MAX_DISK_NAME
)
) {
/* save CCAB */
memcpy(&(p_fci_internal->oldCCAB), p_fci_internal->pccab, sizeof(CCAB));
/* increment cabinet index */
++(p_fci_internal->pccab->iCab);
/* get name of next cabinet */
p_fci_internal->estimatedCabinetSize=p_fci_internal->statusFolderTotal;
if (!(*pfnfcignc)(p_fci_internal->pccab,
p_fci_internal->estimatedCabinetSize,/* estimated size of cab */
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p_fci_internal->pv)) {
/* error handling */
fci_set_error( FCIERR_NONE, ERROR_FUNCTION_FAILED, TRUE );
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return FALSE;
}
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/* Skip a few lines of code. This is caught by the next if. */
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p_fci_internal->fGetNextCabInVain=TRUE;
}
if( p_fci_internal->fGetNextCabInVain &&
p_fci_internal->fNextCab
) {
/* THIS CAN NEVER HAPPEN */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* too much data for cabinet */
if( (p_fci_internal->fGetNextCabInVain ||
p_fci_internal->fNextCab) && (
p_fci_internal->oldCCAB.cb < read_result +
strlen(p_fci_internal->pccab->szCab)+1+
strlen(p_fci_internal->pccab->szDisk)+1
)) {
p_fci_internal->fGetNextCabInVain=FALSE;
p_fci_internal->fNextCab=TRUE;
return fci_flush_cabinet( hfci, FALSE, pfnfcignc, pfnfcis);
}
if( p_fci_internal->fNextCab ) {
/* THIS MAY NEVER HAPPEN */
/* set error code */
fci_set_error( FCIERR_NONE, ERROR_GEN_FAILURE, TRUE );
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return FALSE;
}
/* if the FolderThreshold has been reached flush the folder automatically */
if( p_fci_internal->fGetNextCabInVain ) {
if( p_fci_internal->cCompressedBytesInFolder >=
p_fci_internal->oldCCAB.cbFolderThresh) {
return FCIFlushFolder(hfci, pfnfcignc, pfnfcis);
}
} else {
if( p_fci_internal->cCompressedBytesInFolder >=
p_fci_internal->pccab->cbFolderThresh) {
return FCIFlushFolder(hfci, pfnfcignc, pfnfcis);
}
}
return TRUE;
} /* end of FCIAddFile */
/***********************************************************************
* FCIFlushFolder (CABINET.12)
*
* FCIFlushFolder completes the CFFolder structure under construction.
*
2008-01-17 00:04:38 +01:00
* All further data which is added by FCIAddFile will be associated to
2005-06-24 14:16:37 +02:00
* the next CFFolder structure.
*
* FCIFlushFolder will be called by FCIAddFile automatically if the
* threshold (stored in the member cbFolderThresh of the CCAB structure
* pccab passed to FCICreate) is exceeded.
*
* FCIFlushFolder will be called by FCIFlushFolder automatically before
* any data will be written into the cabinet file.
*
* PARAMS
* hfci [I] An HFCI from FCICreate
* pfnfcignc [I] A pointer to a function which gets information about
* the next cabinet
* pfnfcis [IO] A pointer to a function which will report status
* information about the compression process
*
* RETURNS
* On success, returns TRUE
* On failure, returns FALSE
*
* INCLUDES
* fci.h
*
*/
BOOL __cdecl FCIFlushFolder(
HFCI hfci,
PFNFCIGETNEXTCABINET pfnfcignc,
PFNFCISTATUS pfnfcis)
{
return fci_flush_folder(hfci,FALSE,pfnfcignc,pfnfcis);
} /* end of FCIFlushFolder */
/***********************************************************************
* FCIFlushCabinet (CABINET.13)
*
* FCIFlushCabinet stores the data which has been added by FCIAddFile
* into the cabinet file. If the maximum cabinet size (stored in the
* member cb of the CCAB structure pccab passed to FCICreate) has been
* exceeded FCIFlushCabinet will be called automatic by FCIAddFile.
* The remaining data still has to be flushed manually by calling
* FCIFlushCabinet.
*
* After FCIFlushCabinet has been called (manually) FCIAddFile must
* NOT be called again. Then hfci has to be released by FCIDestroy.
*
* PARAMS
* hfci [I] An HFCI from FCICreate
* fGetNextCab [I] Whether you want to add additional files to a
* cabinet set (TRUE) or whether you want to
* finalize it (FALSE)
* pfnfcignc [I] A pointer to a function which gets information about
* the next cabinet
* pfnfcis [IO] A pointer to a function which will report status
* information about the compression process
*
* RETURNS
* On success, returns TRUE
* On failure, returns FALSE
*
* INCLUDES
* fci.h
*
*/
BOOL __cdecl FCIFlushCabinet(
HFCI hfci,
BOOL fGetNextCab,
PFNFCIGETNEXTCABINET pfnfcignc,
PFNFCISTATUS pfnfcis)
{
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
if(!fci_flush_cabinet(hfci,fGetNextCab,pfnfcignc,pfnfcis)) return FALSE;
while( p_fci_internal->sizeFileCFFILE1>0 ||
p_fci_internal->sizeFileCFFILE2>0 ) {
if(!fci_flush_cabinet(hfci,fGetNextCab,pfnfcignc,pfnfcis)) return FALSE;
}
return TRUE;
} /* end of FCIFlushCabinet */
/***********************************************************************
* FCIDestroy (CABINET.14)
*
* Frees a handle created by FCICreate.
* Only reason for failure would be an invalid handle.
*
* PARAMS
* hfci [I] The HFCI to free
*
* RETURNS
* TRUE for success
* FALSE for failure
*/
BOOL __cdecl FCIDestroy(HFCI hfci)
{
int err;
PFCI_Int p_fci_internal=((PFCI_Int)(hfci));
if (REALLY_IS_FCI(hfci)) {
/* before hfci can be removed all temporary files must be closed */
/* and deleted */
p_fci_internal->FCI_Intmagic = 0;
PFCI_CLOSE (hfci, p_fci_internal->handleCFDATA1,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFDATA1, &err,
p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE (hfci, p_fci_internal->handleCFFILE1,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFFILE1, &err,
p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE (hfci, p_fci_internal->handleCFDATA2,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFDATA2, &err,
p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE (hfci, p_fci_internal->handleCFFILE2,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFFILE2, &err,
p_fci_internal->pv);
/* TODO error handling of err */
PFCI_CLOSE (hfci, p_fci_internal->handleCFFOLDER,&err,p_fci_internal->pv);
/* TODO error handling of err */
PFCI_DELETE(hfci, p_fci_internal->szFileNameCFFOLDER, &err,
p_fci_internal->pv);
/* TODO error handling of err */
/* data in and out buffers have to be removed */
if (p_fci_internal->data_in!=NULL)
PFCI_FREE(hfci, p_fci_internal->data_in);
if (p_fci_internal->data_out!=NULL)
PFCI_FREE(hfci, p_fci_internal->data_out);
/* hfci can now be removed */
PFCI_FREE(hfci, hfci);
return TRUE;
} else {
SetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
}
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} /* end of FCIDestroy */