lzip/plzip
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Adding upstream version 1.1~pre1.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-24 04:01:20 +01:00
parent 4bce01c02a
commit e7c68f81ff
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
17 changed files with 356 additions and 277 deletions
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20
file_index.cc
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@ -1,4 +1,4 @@
/* Plzip - A parallel compressor compatible with lzip
/* Plzip - Parallel compressor compatible with lzip
Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
This program is free software: you can redistribute it and/or modify
@ -68,23 +68,23 @@ File_index::File_index( const int infd ) : retval_( 0 )
{ error_ = "Input file is not seekable :";
error_ += std::strerror( errno ); retval_ = 1; return; }
if( isize > INT64_MAX )
{ error_ = "Input file is too long (2^63 bytes or more).";
{ error_ = "Input file is too long (2^63 bytes or more)";
retval_ = 2; return; }
long long pos = isize; // always points to a header or EOF
File_header header;
File_trailer trailer;
if( isize < min_member_size )
{ error_ = "Input file is too short."; retval_ = 2; return; }
{ error_ = "Input file is too short"; retval_ = 2; return; }
if( seek_read( infd, header.data, File_header::size, 0 ) != File_header::size )
{ error_ = "Error reading member header :";
error_ += std::strerror( errno ); retval_ = 1; return; }
if( !header.verify_magic() )
{ error_ = "Bad magic number (file not in lzip format).";
{ error_ = "Bad magic number (file not in lzip format)";
retval_ = 2; return; }
if( !header.verify_version() )
{ error_ = "Version "; error_ += format_num( header.version() );
error_ += "member format not supported."; retval_ = 2; return; }
error_ += "member format not supported"; retval_ = 2; return; }
while( pos >= min_member_size )
{
@ -114,9 +114,9 @@ File_index::File_index( const int infd ) : retval_( 0 )
if( member_vector.size() == 0 && isize - pos > File_header::size &&
seek_read( infd, header.data, File_header::size, pos ) == File_header::size &&
header.verify_magic() && header.verify_version() )
{ // last trailer is corrupt
error_ = "Member size in trailer is corrupt at pos ";
error_ += format_num( isize - 8 ); retval_ = 2; break;
{
error_ = "Last member in input file is truncated or corrupt";
retval_ = 2; break;
}
pos -= member_size;
member_vector.push_back( Member( 0, trailer.data_size(),
@ -125,7 +125,7 @@ File_index::File_index( const int infd ) : retval_( 0 )
if( pos != 0 || member_vector.size() == 0 )
{
member_vector.clear();
if( retval_ == 0 ) { error_ = "Can't create file index."; retval_ = 2; }
if( retval_ == 0 ) { error_ = "Can't create file index"; retval_ = 2; }
return;
}
std::reverse( member_vector.begin(), member_vector.end() );
@ -135,7 +135,7 @@ File_index::File_index( const int infd ) : retval_( 0 )
if( end < 0 || end > INT64_MAX )
{
member_vector.clear();
error_ = "Data in input file is too long (2^63 bytes or more).";
error_ = "Data in input file is too long (2^63 bytes or more)";
retval_ = 2; return;
}
member_vector[i+1].dblock.pos( end );