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Diffstat (limited to '')
| -rw-r--r-- | rc.h | 74 |
1 files changed, 74 insertions, 0 deletions
@@ -0,0 +1,74 @@ +/* Zutils - Utilities dealing with compressed files + Copyright (C) 2009-2023 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_bz2, fmt_gz, 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 ); +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 ); |