-
Notifications
You must be signed in to change notification settings - Fork 72
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Commented out code which does nothing
- Loading branch information
Peter B Clements
committed
May 26, 2003
1 parent
e272139
commit 20694ba
Showing
1 changed file
with
130 additions
and
130 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,130 +1,130 @@ | ||
| // This file is part of par2cmdline (a PAR 2.0 compatible file verification and | ||
| // repair tool). See http://parchive.sourceforge.net for details of PAR 2.0. | ||
| // | ||
| // Copyright (c) 2003 Peter Brian Clements | ||
| // | ||
| // par2cmdline 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. | ||
| // | ||
| // par2cmdline 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. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program; if not, write to the Free Software | ||
| // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
|
|
||
| #include "par2cmdline.h" | ||
|
|
||
| #ifdef _MSC_VER | ||
| #ifdef _DEBUG | ||
| #undef THIS_FILE | ||
| static char THIS_FILE[]=__FILE__; | ||
| #define new DEBUG_NEW | ||
| #endif | ||
| #endif | ||
|
|
||
| // Construct the main packet from the source files and the block size | ||
|
|
||
| bool MainPacket::Create(vector<Par2CreatorSourceFile*> &sourcefiles, u64 _blocksize) | ||
| { | ||
| recoverablefilecount = totalfilecount =(u32)sourcefiles.size(); | ||
| blocksize = _blocksize; | ||
|
|
||
| // Allocate memory for the main packet with enough fileid entries | ||
| MAINPACKET *packet = (MAINPACKET *)AllocatePacket(sizeof(MAINPACKET) + totalfilecount * sizeof(MD5Hash)); | ||
|
|
||
| // Record the details we already know in the packet | ||
| packet->header.magic = packet_magic; | ||
| packet->header.length = packetlength; | ||
| packet->header.hash; // Compute shortly | ||
| packet->header.setid; // Compute shortly | ||
| packet->header.type = mainpacket_type; | ||
|
|
||
| packet->blocksize = _blocksize; | ||
| packet->recoverablefilecount = totalfilecount; | ||
| //packet->fileid; // Compute shortly | ||
|
|
||
| // Sort the source files according to their fileid values | ||
| if (totalfilecount > 1) | ||
| { | ||
| sort(sourcefiles.begin(), sourcefiles.end(), Par2CreatorSourceFile::CompareLess); | ||
| } | ||
|
|
||
| // Store the fileid values in the main packet | ||
| vector<Par2CreatorSourceFile*>::const_iterator sourcefile; | ||
| MD5Hash *hash; | ||
| for ((sourcefile=sourcefiles.begin()),(hash=packet->fileid); | ||
| sourcefile!=sourcefiles.end(); | ||
| ++sourcefile, ++hash) | ||
| { | ||
| *hash = (*sourcefile)->FileId(); | ||
| } | ||
|
|
||
| // Compute the set_id_hash | ||
| MD5Context setidcontext; | ||
| setidcontext.Update(&packet->blocksize, packetlength - offsetof(MAINPACKET, blocksize)); | ||
| setidcontext.Final(packet->header.setid); | ||
|
|
||
| // Compute the packet_hash | ||
| MD5Context packetcontext; | ||
| packetcontext.Update(&packet->header.setid, packetlength - offsetof(MAINPACKET, header.setid)); | ||
| packetcontext.Final(packet->header.hash); | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| // Load a main packet from a specified file | ||
|
|
||
| bool MainPacket::Load(DiskFile *diskfile, u64 offset, PACKET_HEADER &header) | ||
| { | ||
| // Is the packet large enough | ||
| if (header.length < sizeof(MAINPACKET)) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Is there a whole number of fileid values | ||
| if (0 < (header.length - sizeof(MAINPACKET)) % sizeof(MD5Hash)) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Is the packet too large | ||
| if (header.length > sizeof(MAINPACKET) + 32768 * sizeof(MD5Hash)) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Compute the total number of entries in the fileid array | ||
| totalfilecount = (u32)(((size_t)header.length - sizeof(MAINPACKET)) / sizeof(MD5Hash)); | ||
|
|
||
| MAINPACKET *packet = (MAINPACKET *)AllocatePacket((size_t)header.length); | ||
|
|
||
| packet->header = header; | ||
|
|
||
| // Read the rest of the packet from disk | ||
| if (!diskfile->Read(offset + sizeof(PACKET_HEADER), | ||
| &packet->blocksize, | ||
| (size_t)packet->header.length - sizeof(PACKET_HEADER))) | ||
| return false; | ||
|
|
||
| // Does the packet have enough fileid values | ||
| recoverablefilecount = packet->recoverablefilecount; | ||
| if (recoverablefilecount > totalfilecount) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Is the block size valid | ||
| blocksize = packet->blocksize; | ||
| if (blocksize == 0 || (blocksize & 3) != 0) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
| // This file is part of par2cmdline (a PAR 2.0 compatible file verification and | ||
| // repair tool). See http://parchive.sourceforge.net for details of PAR 2.0. | ||
| // | ||
| // Copyright (c) 2003 Peter Brian Clements | ||
| // | ||
| // par2cmdline 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. | ||
| // | ||
| // par2cmdline 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. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program; if not, write to the Free Software | ||
| // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
|
|
||
| #include "par2cmdline.h" | ||
|
|
||
| #ifdef _MSC_VER | ||
| #ifdef _DEBUG | ||
| #undef THIS_FILE | ||
| static char THIS_FILE[]=__FILE__; | ||
| #define new DEBUG_NEW | ||
| #endif | ||
| #endif | ||
|
|
||
| // Construct the main packet from the source files and the block size | ||
|
|
||
| bool MainPacket::Create(vector<Par2CreatorSourceFile*> &sourcefiles, u64 _blocksize) | ||
| { | ||
| recoverablefilecount = totalfilecount =(u32)sourcefiles.size(); | ||
| blocksize = _blocksize; | ||
|
|
||
| // Allocate memory for the main packet with enough fileid entries | ||
| MAINPACKET *packet = (MAINPACKET *)AllocatePacket(sizeof(MAINPACKET) + totalfilecount * sizeof(MD5Hash)); | ||
|
|
||
| // Record the details we already know in the packet | ||
| packet->header.magic = packet_magic; | ||
| packet->header.length = packetlength; | ||
| //packet->header.hash; // Compute shortly | ||
| //packet->header.setid; // Compute shortly | ||
| packet->header.type = mainpacket_type; | ||
|
|
||
| packet->blocksize = _blocksize; | ||
| packet->recoverablefilecount = totalfilecount; | ||
| //packet->fileid; // Compute shortly | ||
|
|
||
| // Sort the source files according to their fileid values | ||
| if (totalfilecount > 1) | ||
| { | ||
| sort(sourcefiles.begin(), sourcefiles.end(), Par2CreatorSourceFile::CompareLess); | ||
| } | ||
|
|
||
| // Store the fileid values in the main packet | ||
| vector<Par2CreatorSourceFile*>::const_iterator sourcefile; | ||
| MD5Hash *hash; | ||
| for ((sourcefile=sourcefiles.begin()),(hash=packet->fileid); | ||
| sourcefile!=sourcefiles.end(); | ||
| ++sourcefile, ++hash) | ||
| { | ||
| *hash = (*sourcefile)->FileId(); | ||
| } | ||
|
|
||
| // Compute the set_id_hash | ||
| MD5Context setidcontext; | ||
| setidcontext.Update(&packet->blocksize, packetlength - offsetof(MAINPACKET, blocksize)); | ||
| setidcontext.Final(packet->header.setid); | ||
|
|
||
| // Compute the packet_hash | ||
| MD5Context packetcontext; | ||
| packetcontext.Update(&packet->header.setid, packetlength - offsetof(MAINPACKET, header.setid)); | ||
| packetcontext.Final(packet->header.hash); | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| // Load a main packet from a specified file | ||
|
|
||
| bool MainPacket::Load(DiskFile *diskfile, u64 offset, PACKET_HEADER &header) | ||
| { | ||
| // Is the packet large enough | ||
| if (header.length < sizeof(MAINPACKET)) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Is there a whole number of fileid values | ||
| if (0 < (header.length - sizeof(MAINPACKET)) % sizeof(MD5Hash)) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Is the packet too large | ||
| if (header.length > sizeof(MAINPACKET) + 32768 * sizeof(MD5Hash)) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Compute the total number of entries in the fileid array | ||
| totalfilecount = (u32)(((size_t)header.length - sizeof(MAINPACKET)) / sizeof(MD5Hash)); | ||
|
|
||
| MAINPACKET *packet = (MAINPACKET *)AllocatePacket((size_t)header.length); | ||
|
|
||
| packet->header = header; | ||
|
|
||
| // Read the rest of the packet from disk | ||
| if (!diskfile->Read(offset + sizeof(PACKET_HEADER), | ||
| &packet->blocksize, | ||
| (size_t)packet->header.length - sizeof(PACKET_HEADER))) | ||
| return false; | ||
|
|
||
| // Does the packet have enough fileid values | ||
| recoverablefilecount = packet->recoverablefilecount; | ||
| if (recoverablefilecount > totalfilecount) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| // Is the block size valid | ||
| blocksize = packet->blocksize; | ||
| if (blocksize == 0 || (blocksize & 3) != 0) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| return true; | ||
| } |