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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-17 07:43:33 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-17 07:43:33 +0000 |
commit | 18525b97f1a4b60884962d8fb326e8e85d837686 (patch) | |
tree | 99125a3d130d197d38d03df460e7ec1634784b8f /create.h | |
parent | Releasing debian version 0.19-2. (diff) | |
download | tarlz-18525b97f1a4b60884962d8fb326e8e85d837686.tar.xz tarlz-18525b97f1a4b60884962d8fb326e8e85d837686.zip |
Merging upstream version 0.21.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'create.h')
-rw-r--r-- | create.h | 45 |
1 files changed, 45 insertions, 0 deletions
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 <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; |