| /* $Id: array.c 3553 2011-05-05 06:14:19Z nanang $ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pj/array.h> |
| #include <pj/string.h> |
| #include <pj/assert.h> |
| #include <pj/errno.h> |
| |
| PJ_DEF(void) pj_array_insert( void *array, |
| unsigned elem_size, |
| unsigned count, |
| unsigned pos, |
| const void *value) |
| { |
| if (count && pos < count) { |
| pj_memmove( (char*)array + (pos+1)*elem_size, |
| (char*)array + pos*elem_size, |
| (count-pos)*elem_size); |
| } |
| pj_memmove((char*)array + pos*elem_size, value, elem_size); |
| } |
| |
| PJ_DEF(void) pj_array_erase( void *array, |
| unsigned elem_size, |
| unsigned count, |
| unsigned pos) |
| { |
| pj_assert(count != 0); |
| if (pos < count-1) { |
| pj_memmove( (char*)array + pos*elem_size, |
| (char*)array + (pos+1)*elem_size, |
| (count-pos-1)*elem_size); |
| } |
| } |
| |
| PJ_DEF(pj_status_t) pj_array_find( const void *array, |
| unsigned elem_size, |
| unsigned count, |
| pj_status_t (*matching)(const void *value), |
| void **result) |
| { |
| unsigned i; |
| const char *char_array = (const char*)array; |
| for (i=0; i<count; ++i) { |
| if ( (*matching)(char_array) == PJ_SUCCESS) { |
| if (result) { |
| *result = (void*)char_array; |
| } |
| return PJ_SUCCESS; |
| } |
| char_array += elem_size; |
| } |
| return PJ_ENOTFOUND; |
| } |
| |