From 18525b97f1a4b60884962d8fb326e8e85d837686 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 17 Jul 2021 09:43:33 +0200 Subject: Merging upstream version 0.21. Signed-off-by: Daniel Baumann --- create.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 create.h (limited to 'create.h') diff --git a/create.h b/create.h new file mode 100644 index 0000000..b536f3e --- /dev/null +++ b/create.h @@ -0,0 +1,45 @@ +/* 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 . +*/ + +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; -- cgit v1.2.3