Adding upstream version 1.13.upstream/1.13upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 74 insertions, 0 deletions

diff --git a/rc.h b/rc.h
new file mode 100644
index 0000000..7c4c949
--- /dev/null
+++ b/rc.h
@@ -0,0 +1,74 @@
+/* Zutils - Utilities dealing with compressed files
+   Copyright (C) 2009-2024 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/>.
+*/
+
+// format_index; < 0 means undefined, >= num_formats means uncompressed
+enum { fmt_bz2, fmt_gz, fmt_lz, fmt_xz, fmt_zst, num_formats };
+
+const char * const format_names[num_formats] =
+  { "bz2", "gz", "lz", "xz", "zst" };
+const char * const simple_extensions[num_formats] =
+  { ".bz2", ".gz", ".lz", ".xz", ".zst" };
+const int format_order[num_formats] =
+  { fmt_lz, fmt_gz, fmt_bz2, fmt_zst, fmt_xz };		// search order
+
+bool enabled_format( const int format_index );		// -1 == uncompressed
+void parse_format_list( const std::string & arg, const char * const pn );
+// Return num_formats if arg == "un" (uncompressed).
+int parse_format_type( const std::string & arg, const char * const pn,
+                       const bool allow_uncompressed = true );
+
+int extension_index( const std::string & name );	// -1 if unknown
+int extension_format( const int eindex );		// -1 if uncompressed
+const char * extension_from( const int eindex );	// -1 if uncompressed
+const char * extension_to( const int eindex );
+
+// Return format_index, or -1 if uncompressed.
+//
+inline int test_extension( const std::string & name )
+  { return extension_format( extension_index( name ) ); }
+
+extern const char * invocation_name;
+extern const char * program_name;
+extern int verbosity;
+
+class Arg_parser;
+
+void maybe_process_config_file( const Arg_parser & parser );
+
+void parse_compressor( const std::string & arg, const char * const pn,
+                       const int format_index, const int eretval = 2 );
+
+const char * get_compressor_name( const int format_index );
+const std::vector< std::string > & get_compressor_args( const int format_index );
+
+void show_help_addr();
+void show_version( const char * const command = 0 );
+void show_error( const char * const msg, const int errcode = 0,
+                 const bool help = false );
+void show_file_error( const char * const filename, const char * const msg,
+                      const int errcode = 0 );
+void internal_error( const char * const msg );
+void show_option_error( const char * const arg, const char * const msg,
+                        const char * const option_name );
+void show_close_error( const char * const prog_name = "data feeder" );
+void show_exec_error( const char * const prog_name );
+void show_fork_error( const char * const prog_name );
+
+// Return exit status of child process 'pid', or 'eretval' in case of error.
+//
+int wait_for_child( const pid_t pid, const char * const name,
+                    const int eretval = 2, const bool isgzxz = false );