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Merging upstream version 0.21.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-17 21:16:04 +01:00
parent 337c761a4d
commit 0703aa798f
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
27 changed files with 961 additions and 324 deletions
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create.h Normal file
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/* Tarlz - Archiver with multimember lzip compression
Copyright (C) 2013-2021 Antonio Diaz Diaz.
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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class Archive_attrs
{
struct stat ast; // archive attributes at time of init
bool initialized;
bool isreg;
public:
Archive_attrs() : initialized( false ), isreg( false ) {}
bool init( const int fd )
{
if( fstat( fd, &ast ) != 0 ) return false;
if( S_ISREG( ast.st_mode ) ) isreg = true;
initialized = true;
return true;
}
bool is_the_archive( const struct stat & st ) const
{ return isreg && st.st_dev == ast.st_dev && st.st_ino == ast.st_ino; }
bool is_newer( const struct stat & st ) const
{ return initialized && st.st_mtime > ast.st_mtime; }
bool is_newer( const char * const filename ) const
{
if( !initialized ) return false;
struct stat st;
return lstat( filename, &st ) != 0 || st.st_mtime > ast.st_mtime;
}
};
extern Archive_attrs archive_attrs;