1 /*
2 * SysDB - src/core/data.c
3 * Copyright (C) 2014 Sebastian 'tokkee' Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 #include "core/data.h"
30 #include <stdlib.h>
31 #include <string.h>
33 /*
34 * public API
35 */
37 int
38 sdb_data_copy(sdb_data_t *dst, const sdb_data_t *src)
39 {
40 sdb_data_t tmp;
42 if ((! dst) || (! src))
43 return -1;
45 tmp = *src;
46 switch (src->type) {
47 case SDB_TYPE_STRING:
48 tmp.data.string = strdup(src->data.string);
49 if (! tmp.data.string)
50 return -1;
51 break;
52 case SDB_TYPE_BINARY:
53 tmp.data.binary.datum = malloc(src->data.binary.length);
54 if (! tmp.data.binary.datum)
55 return -1;
56 memcpy(tmp.data.binary.datum, src->data.binary.datum,
57 src->data.binary.length);
58 break;
59 }
61 *dst = tmp;
62 return 0;
63 } /* sdb_data_copy */
65 void
66 sdb_data_free_datum(sdb_data_t *datum)
67 {
68 if (! datum)
69 return;
71 switch (datum->type) {
72 case SDB_TYPE_STRING:
73 if (datum->data.string)
74 free(datum->data.string);
75 datum->data.string = NULL;
76 break;
77 case SDB_TYPE_BINARY:
78 if (datum->data.binary.datum)
79 free(datum->data.binary.datum);
80 datum->data.binary.datum = NULL;
81 datum->data.binary.length = 0;
82 break;
83 }
84 } /* sdb_data_free_datum */
86 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */