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Merging upstream version 0.11.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-17 21:12:14 +01:00
parent 3b818501c2
commit 5db1949a73
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
18 changed files with 1504 additions and 654 deletions
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45
main.cc
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@ -67,15 +67,15 @@ enum Mode { m_none, m_append, m_concatenate, m_create, m_extract, m_list };
void show_help( const long num_online )
{
std::printf( "Tarlz is a combined implementation of the tar archiver and the lzip\n"
"compressor. By default tarlz creates, lists and extracts archives in a\n"
"simplified posix pax format compressed with lzip on a per file basis. Each\n"
"tar member is compressed in its own lzip member, as well as the end-of-file\n"
"blocks. This method adds an indexed lzip layer on top of the tar archive,\n"
"making it possible to decode the archive safely in parallel. The resulting\n"
"multimember tar.lz archive is fully backward compatible with standard tar\n"
"tools like GNU tar, which treat it like any other tar.lz archive. Tarlz can\n"
"append files to the end of such compressed archives.\n"
std::printf( "Tarlz is a massively parallel (multi-threaded) combined implementation of\n"
"the tar archiver and the lzip compressor. Tarlz creates, lists and extracts\n"
"archives in a simplified posix pax format compressed with lzip, keeping the\n"
"alignment between tar members and lzip members. This method adds an indexed\n"
"lzip layer on top of the tar archive, making it possible to decode the\n"
"archive safely in parallel. The resulting multimember tar.lz archive is\n"
"fully backward compatible with standard tar tools like GNU tar, which treat\n"
"it like any other tar.lz archive. Tarlz can append files to the end of such\n"
"compressed archives.\n"
"\nThe tarlz file format is a safe posix-style backup format. In case of\n"
"corruption, tarlz can extract all the undamaged members from the tar.lz\n"
"archive, skipping over the damaged members, just like the standard\n"
@ -91,7 +91,7 @@ void show_help( const long num_online )
" -c, --create create a new archive\n"
" -C, --directory=<dir> change to directory <dir>\n"
" -f, --file=<archive> use archive file <archive>\n"
" -n, --threads=<n> set number of decompression threads [%ld]\n"
" -n, --threads=<n> set number of (de)compression threads [%ld]\n"
" -q, --quiet suppress all messages\n"
" -r, --append append files to the end of an archive\n"
" -t, --list list the contents of an archive\n"
@ -99,9 +99,9 @@ void show_help( const long num_online )
" -x, --extract extract files from an archive\n"
" -0 .. -9 set compression level [default 6]\n"
" --asolid create solidly compressed appendable archive\n"
" --bsolid create per-data-block compressed archive\n"
" --dsolid create per-directory compressed archive\n"
" --no-solid create per-file compressed archive (default)\n"
" --bsolid create per block compressed archive (default)\n"
" --dsolid create per directory compressed archive\n"
" --no-solid create per file compressed archive\n"
" --solid create solidly compressed archive\n"
" --anonymous equivalent to '--owner=root --group=root'\n"
" --owner=<owner> use <owner> name/ID for files added\n"
@ -239,6 +239,20 @@ int open_outstream( const std::string & name, const bool create )
}
// This can be called from any thread, main thread or sub-threads alike,
// since they all call common helper functions that call cleanup_and_fail()
// in case of an error.
//
void cleanup_and_fail( const int retval )
{
// only one thread can delete and exit
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_lock( &mutex ); // ignore errors to avoid loop
std::exit( retval );
}
void show_error( const char * const msg, const int errcode, const bool help )
{
if( verbosity < 0 ) return;
@ -342,7 +356,8 @@ int main( const int argc, const char * const argv[] )
for( int argind = 0; argind < parser.arguments(); ++argind )
{
const int code = parser.code( argind );
if( !code ) { ++filenames; continue; } // skip non-options
if( !code ) // skip non-options
{ if( parser.argument( argind ).size() ) ++filenames; continue; }
const std::string & sarg = parser.argument( argind );
const char * const arg = sarg.c_str();
switch( code )
@ -394,7 +409,7 @@ int main( const int argc, const char * const argv[] )
case m_none: show_error( "Missing operation.", 0, true ); return 2;
case m_append:
case m_create: return encode( archive_name, parser, filenames, level,
program_mode == m_append );
num_workers, debug_level, program_mode == m_append );
case m_concatenate: return concatenate( archive_name, parser, filenames );
case m_extract:
case m_list: return decode( archive_name, parser, filenames, num_workers,