diff options
Diffstat (limited to 'builtin.c')
| -rw-r--r-- | builtin.c | 78 |
1 files changed, 71 insertions, 7 deletions
@@ -1252,6 +1252,7 @@ static int builtin_functions( wchar_t **argv ) int show_hidden=0; int res = STATUS_BUILTIN_OK; int query = 0; + int copy = 0; woptind=0; @@ -1283,6 +1284,10 @@ static int builtin_functions( wchar_t **argv ) } , { + L"copy", no_argument, 0, 'c' + } + , + { 0, 0, 0, 0 } } @@ -1294,7 +1299,7 @@ static int builtin_functions( wchar_t **argv ) int opt = wgetopt_long( argc, argv, - L"ed:nahq", + L"ed:nahqc", long_options, &opt_index ); if( opt == -1 ) @@ -1305,10 +1310,10 @@ static int builtin_functions( wchar_t **argv ) case 0: if(long_options[opt_index].flag != 0) break; - sb_printf( sb_err, - BUILTIN_ERR_UNKNOWN, - argv[0], - long_options[opt_index].name ); + sb_printf( sb_err, + BUILTIN_ERR_UNKNOWN, + argv[0], + long_options[opt_index].name ); builtin_print_help( argv[0], sb_err ); @@ -1338,6 +1343,10 @@ static int builtin_functions( wchar_t **argv ) query = 1; break; + case 'c': + copy = 1; + break; + case '?': builtin_unknown_option( argv[0], argv[woptind-1] ); return STATUS_BUILTIN_ERROR; @@ -1347,9 +1356,9 @@ static int builtin_functions( wchar_t **argv ) } /* - Erase, desc, query and list are mutually exclusive + Erase, desc, query, copy and list are mutually exclusive */ - if( (erase + (!!desc) + list + query) > 1 ) + if( (erase + (!!desc) + list + query + copy) > 1 ) { sb_printf( sb_err, _( L"%ls: Invalid combination of options\n" ), @@ -1434,6 +1443,61 @@ static int builtin_functions( wchar_t **argv ) al_destroy( &names ); return STATUS_BUILTIN_OK; } + else if( copy ) + { + wchar_t *current_func; + wchar_t *new_func; + + if( argc-woptind != 2 ) + { + sb_printf( sb_err, + _( L"%ls: Expected exactly two names (current function name, and new function name)\n" ), + argv[0] ); + builtin_print_help ( argv[0], sb_err ); + + return STATUS_BUILTIN_ERROR; + } + current_func = argv[woptind]; + new_func = argv[woptind+1]; + + if( !function_exists( current_func ) ) + { + sb_printf( sb_err, + _( L"%ls: Function '%ls' does not exist\n" ), + argv[0], + current_func ); + builtin_print_help( argv[0], sb_err ); + + return STATUS_BUILTIN_ERROR; + } + + if( (wcsfuncname( new_func ) != 0) || parser_keywords_is_reserved( new_func ) ) + { + sb_printf( sb_err, + _( L"%ls: Illegal function name '%ls'\n"), + argv[0], + new_func ); + builtin_print_help( argv[0], sb_err ); + return STATUS_BUILTIN_ERROR; + } + + // keep things simple: don't allow existing names to be copy targets. + if( function_exists( new_func ) ) + { + sb_printf( sb_err, + _( L"%ls: Function '%ls' already exists. Cannot create copy '%ls'\n" ), + argv[0], + new_func, + current_func ); + builtin_print_help( argv[0], sb_err ); + + return STATUS_BUILTIN_ERROR; + } + + if( function_copy( current_func, new_func ) ) + return STATUS_BUILTIN_OK; + return STATUS_BUILTIN_ERROR; + } for( i=woptind; i<argc; i++ ) { |