1 /* $Id$ */
2 /*
3 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
4 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20 #include <pj/array.h>
21 #include <pj/string.h>
22 #include <pj/assert.h>
23 #include <pj/errno.h>
24
pj_array_insert(void * array,unsigned elem_size,unsigned count,unsigned pos,const void * value)25 PJ_DEF(void) pj_array_insert( void *array,
26 unsigned elem_size,
27 unsigned count,
28 unsigned pos,
29 const void *value)
30 {
31 if (count && pos < count) {
32 pj_memmove( (char*)array + (pos+1)*elem_size,
33 (char*)array + pos*elem_size,
34 (count-pos)*(pj_size_t)elem_size);
35 }
36 pj_memmove((char*)array + pos*elem_size, value, elem_size);
37 }
38
pj_array_erase(void * array,unsigned elem_size,unsigned count,unsigned pos)39 PJ_DEF(void) pj_array_erase( void *array,
40 unsigned elem_size,
41 unsigned count,
42 unsigned pos)
43 {
44 pj_assert(count != 0);
45 if (pos < count-1) {
46 pj_memmove( (char*)array + pos*elem_size,
47 (char*)array + (pos+1)*elem_size,
48 (count-pos-1)*(pj_size_t)elem_size);
49 }
50 }
51
pj_array_find(const void * array,unsigned elem_size,unsigned count,pj_status_t (* matching)(const void * value),void ** result)52 PJ_DEF(pj_status_t) pj_array_find( const void *array,
53 unsigned elem_size,
54 unsigned count,
55 pj_status_t (*matching)(const void *value),
56 void **result)
57 {
58 unsigned i;
59 const char *char_array = (const char*)array;
60 for (i=0; i<count; ++i) {
61 if ( (*matching)(char_array) == PJ_SUCCESS) {
62 if (result) {
63 *result = (void*)char_array;
64 }
65 return PJ_SUCCESS;
66 }
67 char_array += elem_size;
68 }
69 return PJ_ENOTFOUND;
70 }
71
72