contrib/mdocml/dba_array.h

   1 /*      $Id: dba_array.h,v 1.1 2016/07/19 21:31:55 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  *
  17  * Public interface for allocation-based arrays
  18  * for the mandoc database, for read-write access.
  19  * To be used by dba*.c and by makewhatis(8).
  20  */
  21
  22 struct dba_array;
  23
  24 #define DBA_STR         0x01    /* Map contains strings, not pointers. */
  25 #define DBA_GROW        0x02    /* Allow the array to grow. */
  26
  27 #define dba_array_FOREACH(a, e) \
  28         dba_array_start(a); \
  29         while (((e) = dba_array_next(a)) != NULL)
  30
  31 typedef int dba_compare_func(const void *, const void *);
  32
  33 struct dba_array *dba_array_new(int32_t, int);
  34 void             dba_array_free(struct dba_array *);
  35 void             dba_array_set(struct dba_array *, int32_t, void *);
  36 void             dba_array_add(struct dba_array *, void *);
  37 void            *dba_array_get(struct dba_array *, int32_t);
  38 void             dba_array_start(struct dba_array *);
  39 void            *dba_array_next(struct dba_array *);
  40 void             dba_array_del(struct dba_array *);
  41 void             dba_array_undel(struct dba_array *);
  42 void             dba_array_setpos(struct dba_array *, int32_t, int32_t);
  43 int32_t          dba_array_getpos(struct dba_array *);
  44 void             dba_array_sort(struct dba_array *, dba_compare_func);
  45 int32_t          dba_array_writelen(struct dba_array *, int32_t);
  46 void             dba_array_writepos(struct dba_array *);
  47 void             dba_array_writelst(struct dba_array *);