1 /* set-fields.h -- parse field list argument 2 3 Copyright (C) 2015-2023 Free Software Foundation, Inc. 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation, either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 #ifndef SET_FIELDS_H 18 # define SET_FIELDS_H 19 20 struct field_range_pair 21 { 22 uintmax_t lo; 23 uintmax_t hi; 24 }; 25 26 /* Array of `struct range_pair' holding all the finite ranges. */ 27 extern struct field_range_pair *frp; 28 29 /* Number of finite ranges specified by the user. */ 30 extern size_t n_frp; 31 32 /* field list parsing options */ 33 enum 34 { 35 SETFLD_ALLOW_DASH = 0x01, /* allow single dash meaning 'all fields' */ 36 SETFLD_COMPLEMENT = 0x02, /* complement the field list */ 37 SETFLD_ERRMSG_USE_POS = 0x04 /* when reporting errors, say 'position' instead 38 of 'field' (used with cut -b/-c) */ 39 }; 40 41 /* allocates and initializes the FRP array and N_FRP count */ 42 extern void set_fields (char const *fieldstr, unsigned int options); 43 44 #endif 45