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