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/***************************************************************************
* _______ _______ _______ *
* | ___ |____ | ___ | *
* | | |_| / /| | |_| *
* | |_____ / / | |_____ *
* |_____ | / / |_____ | *
* _ | | / / _ | | *
* | |___| |/ /____| |___| | *
* |_______|_______|_______| *
* *
* Wiimms SZS Tools *
* https://szs.wiimm.de/ *
* *
***************************************************************************
* *
* This file is part of the SZS project. *
* Visit https://szs.wiimm.de/ for project details and sources. *
* *
* Copyright (c) 2011-2022 by Dirk Clemens <wiimm@wiimm.de> *
* *
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* See file gpl-2.0.txt or http://www.gnu.org/licenses/gpl-2.0.txt *
* *
***************************************************************************/
#include "lib-rkc.h"
#include "lib-szs.h"
//
///////////////////////////////////////////////////////////////////////////////
/////////////// RKC action log ///////////////
///////////////////////////////////////////////////////////////////////////////
static bool RKC_ACTION_LOG ( const char * format, ...)
__attribute__ ((__format__(__printf__,1,2)));
static bool RKC_ACTION_LOG ( const char * format, ...)
{
#if HAVE_PRINT
{
char buf[200];
snprintf(buf,sizeof(buf),">>>[RKC]<<< %s",format);
va_list arg;
va_start(arg,format);
PRINT_ARG_FUNC(buf,arg);
va_end(arg);
}
#endif
if ( verbose > 2 ) // || RKC_MODE & RKCMD_LOG
{
fflush(stdout);
fprintf(stdlog," %s>[RKC]%s ",colset->heading,colset->info);
va_list arg;
va_start(arg,format);
vfprintf(stdlog,format,arg);
va_end(arg);
fputs(colset->reset,stdlog);
fflush(stdlog);
return true;
}
return false;
}
//
///////////////////////////////////////////////////////////////////////////////
/////////////// IterateFilesRKC() ///////////////
///////////////////////////////////////////////////////////////////////////////
int IterateFilesRKC
(
struct szs_iterator_t *it, // iterator struct with all infos
bool term // true: termination hint
)
{
if (term)
return 0;
DASSERT(it);
DASSERT(it->func_it);
szs_file_t * szs = it->szs;
DASSERT(szs);
if ( !szs->data || szs->size < sizeof(rkct_t) )
return -1;
const rkct_t *rkct = (rkct_t*)szs->data;
if ( ntohl(rkct->magic) != RKCT_MAGIC_NUM )
return -1;
it->index = 0;
it->fst_item = 0;
it->is_dir = 0;
#if USE_ITERATOR_PARAM
if (it->itpar.cut_files)
#else
if (it->cut_files)
#endif
{
it->no_recurse++;
it->off = 0;
it->size = sizeof(rkct_t);
StringCopyS(it->path,sizeof(it->path),".rkc.header");
it->func_it(it,false);
it->no_recurse--;
}
it->off = sizeof(rkct_t);
if ( szs->size < sizeof(rkct_t)+sizeof(rkco_t) )
{
it->size = szs->size - it->off;
StringCopyS(it->path,sizeof(it->path),".rkc.trash");
return it->func_it(it,false);
}
it->size = sizeof(rkco_t);
StringCopyS(it->path,sizeof(it->path),RKCO_FILENAME);
it->func_it(it,false);
const uint u8_off = ntohl(rkct->u8_off);
const uint u8_end = ntohl(rkct->size);
if ( szs->size < u8_off || szs->size < u8_end )
{
it->size = szs->size - it->off;
StringCopyS(it->path,sizeof(it->path),".rkc.trash.bin");
return it->func_it(it,false);
}
#if USE_ITERATOR_PARAM
if ( it->itpar.cut_files && sizeof(rkct_t)+sizeof(rkco_t) < u8_off )
#else
if ( it->cut_files && sizeof(rkct_t)+sizeof(rkco_t) < u8_off )
#endif
{
it->off = sizeof(rkct_t)+sizeof(rkco_t);
it->size = u8_off - it->off;
StringCopyS(it->path,sizeof(it->path),".rkc.pad-head.bin");
it->func_it(it,false);
}
it->off = u8_off;
it->size = u8_end - u8_off;
StringCopyS(it->path,sizeof(it->path),RKC_U8_FILENAME);
int stat = it->func_it(it,false);
if (stat)
return stat;
if ( !it->no_recurse && it->recurse_level < it->recurse_max )
{
szs_file_t szs2;
// [[fname+]]
InitializeSubSZS(&szs2,szs,u8_off,u8_end-u8_off,FF_UNKNOWN,it->path,true);
#if USE_ITERATOR_PARAM
szs_iterator_func it_func
= GetIteratorFunction(szs2.fform_arch,it->itpar.cut_files);
#else
szs_iterator_func it_func
= GetIteratorFunction(szs2.fform_arch,it->cut_files);
#endif
if (it_func)
{
szs_iterator_t it2;
memcpy(&it2,it,sizeof(it2));
it2.szs = &szs2;
it2.index = 0;
it2.client_int = 0;
it2.parent_it = it;
it2.recurse_level++;
const int stat2 = it_func(&it2,false);
it2.name = 0;
*it2.path = 0;
if ( stat2 != -1 )
it2.func_it(&it2,true); // ignore status
}
ResetSZS(&szs2);
}
if ( szs->size > u8_end )
{
it->off = u8_end;
it->size = szs->size - u8_end;
StringCopyS(it->path,sizeof(it->path),".rkc.pad-szs.bin");
it->func_it(it,false);
}
return 0;
}
//
///////////////////////////////////////////////////////////////////////////////
/////////////// CreateRKC() ///////////////
///////////////////////////////////////////////////////////////////////////////
static uint get_file_size ( ccp source_dir, ccp fname, uint min, uint max )
{
s64 szs_size = GetFileSize(source_dir,fname,-1,0,false);
if ( szs_size < 0 )
{
ERROR1(ERR_CANT_OPEN,
"Can't open file: %s/%s",source_dir,fname);
return 0;
}
if ( szs_size < min || szs_size > max )
{
ERROR0(ERR_INVALID_DATA,
"Wrong filesize (not %u..%u, but %llu): %s/%s",
min, max, szs_size, source_dir, fname );
return 0;
}
return szs_size;
}
///////////////////////////////////////////////////////////////////////////////
enumError CreateRKC
(
struct szs_file_t *szs, // valid szs
ccp source_dir // NULL or path to source dir
)
{
PRINT("CreateRKC(%s) size=%zu, data=%p\n",
source_dir, szs->size, szs->data );
//--- check files
const uint rkco_size
= get_file_size( source_dir, RKCO_FILENAME,
sizeof(rkco_t), RKC_U8_OFFSET-sizeof(rkct_t) );
const uint szs_size
= get_file_size( source_dir, RKC_U8_FILENAME,
sizeof(yaz0_header_t), RKC_U8_LIMIT );
if ( !rkco_size || !szs_size )
return ERR_INVALID_DATA;
//--- create szs
szs->size = RKC_U8_OFFSET + szs_size;
szs->data = CALLOC(szs->size,1);
ClearFileAttrib(&szs->fatt);
enumError err;
err = LoadFile( source_dir, RKCO_FILENAME, 0,
szs->data + sizeof(rkct_t), rkco_size, 0,
&szs->fatt, true );
if (err)
return err;
err = LoadFile( source_dir, RKC_U8_FILENAME, 0,
szs->data + RKC_U8_OFFSET, szs_size, 0,
&szs->fatt, true );
if (err)
return err;
rkct_t *rkct = (rkct_t*)szs->data;
rkct->magic = htonl(RKCT_MAGIC_NUM);
rkct->size = htonl(szs->size);
rkct->u8_off = htonl(RKC_U8_OFFSET);
rkct->version = htonl(RKC_VERSION);
szs->fform_arch = szs->fform_file = szs->fform_current = FF_RKC;
return ERR_OK;
}
//
///////////////////////////////////////////////////////////////////////////////
/////////////// END ///////////////
///////////////////////////////////////////////////////////////////////////////
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