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-rw-r--r--common.cc31
1 files changed, 19 insertions, 12 deletions
diff --git a/common.cc b/common.cc
index 2e5d231..f4afd64 100644
--- a/common.cc
+++ b/common.cc
@@ -1,18 +1,18 @@
-/* Tarlz - Archiver with multimember lzip compression
- Copyright (C) 2013-2019 Antonio Diaz Diaz.
+/* Tarlz - Archiver with multimember lzip compression
+ Copyright (C) 2013-2020 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 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.
+ 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/>.
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _FILE_OFFSET_BITS 64
@@ -28,6 +28,7 @@
#include <stdint.h>
#include <unistd.h>
+#include "arg_parser.h"
#include "tarlz.h"
@@ -147,3 +148,9 @@ int writeblock( const int fd, const uint8_t * const buf, const int size )
}
return sz;
}
+
+
+bool nonempty_arg( const Arg_parser & parser, const int i )
+ {
+ return ( parser.code( i ) == 0 && !parser.argument( i ).empty() );
+ }