1 /* PSPP - computes sample statistics.
2 Copyright (C) 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 /* Records the state of a pool for later restoration. */
28 /* Current block and offset into it. */
29 struct pool_block *block;
32 /* Current serial number to allow freeing of gizmos. */
36 /* General routines. */
37 struct pool *pool_create (void);
38 void pool_destroy (struct pool *);
39 void pool_clear (struct pool *);
41 /* Creates a pool, allocates an instance of the given STRUCT
42 within it, sets the struct's MEMBER to the pool's address, and
43 returns the allocated structure. */
44 #define pool_create_container(STRUCT, MEMBER) \
45 ((STRUCT *) pool_create_at_offset (sizeof (STRUCT), \
46 offsetof (STRUCT, MEMBER)))
47 void *pool_create_at_offset (size_t struct_size, size_t pool_member_offset);
49 /* Suballocation routines. */
50 void *pool_alloc (struct pool *, size_t) MALLOC_LIKE;
51 void *pool_nalloc (struct pool *, size_t n, size_t s) MALLOC_LIKE;
52 void *pool_clone (struct pool *, const void *, size_t) MALLOC_LIKE;
53 char *pool_strdup (struct pool *, const char *) MALLOC_LIKE;
54 char *pool_strndup (struct pool *, const char *, size_t) MALLOC_LIKE;
55 char *pool_strcat (struct pool *, const char *, ...) MALLOC_LIKE;
57 /* Standard allocation routines. */
58 void *pool_malloc (struct pool *, size_t) MALLOC_LIKE;
59 void *pool_nmalloc (struct pool *, size_t n, size_t s) MALLOC_LIKE;
60 void *pool_realloc (struct pool *, void *, size_t);
61 void *pool_nrealloc (struct pool *, void *, size_t n, size_t s);
62 void *pool_2nrealloc (struct pool *, void *, size_t *pn, size_t s);
63 void pool_free (struct pool *, void *);
65 /* Gizmo allocations. */
66 struct pool *pool_create_subpool (struct pool *);
67 void pool_add_subpool (struct pool *, struct pool *subpool);
68 FILE *pool_fopen (struct pool *, const char *, const char *);
69 int pool_fclose (struct pool *, FILE *);
71 /* Custom allocations. */
72 void pool_register (struct pool *, void (*free) (void *), void *p);
73 int pool_unregister (struct pool *, void *);
75 /* Partial freeing. */
76 void pool_mark (struct pool *, struct pool_mark *);
77 void pool_release (struct pool *, const struct pool_mark *);
80 void pool_dump (const struct pool *, const char *title);