1 /*
2 * bufferset.c
3 * dynamically-managed buffer sets
4 *
5 * SPDX-License-Identifier: pkgconf
6 *
7 * Copyright (c) 2026 pkgconf authors (see AUTHORS).
8 *
9 * Permission to use, copy, modify, and/or distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
12 *
13 * This software is provided 'as is' and without any warranty, express or
14 * implied. In no event shall the authors be liable for any damages arising
15 * from the use of this software.
16 */
17
18 #include <libpkgconf/stdinc.h>
19 #include <libpkgconf/libpkgconf.h>
20
21 /*
22 * !doc
23 *
24 * libpkgconf `bufferset` module
25 * =============================
26 *
27 * The libpkgconf `bufferset` module contains the functions related to managing
28 * dynamically-allocated sets of buffers.
29 */
30
31 pkgconf_bufferset_t *
pkgconf_bufferset_extend(pkgconf_list_t * list,pkgconf_buffer_t * buffer)32 pkgconf_bufferset_extend(pkgconf_list_t *list, pkgconf_buffer_t *buffer)
33 {
34 pkgconf_bufferset_t *set = calloc(1, sizeof(*set));
35 if (set == NULL)
36 return NULL;
37
38 if (pkgconf_buffer_len(buffer))
39 {
40 if (!pkgconf_buffer_append(&set->buffer, pkgconf_buffer_str(buffer)))
41 {
42 free(set);
43 return NULL;
44 }
45 }
46
47 pkgconf_node_insert_tail(&set->node, set, list);
48 return set;
49 }
50
51 void
pkgconf_bufferset_free(pkgconf_list_t * list)52 pkgconf_bufferset_free(pkgconf_list_t *list)
53 {
54 pkgconf_node_t *iter, *iter_next;
55
56 PKGCONF_FOREACH_LIST_ENTRY_SAFE(list->head, iter_next, iter)
57 {
58 pkgconf_bufferset_t *set = iter->data;
59
60 pkgconf_buffer_finalize(&set->buffer);
61 pkgconf_node_delete(&set->node, list);
62
63 free(set);
64 }
65 }
66