1 /*****************************************************************************
2 * swab.c: swab() replacement
3 *****************************************************************************
4 * Copyright © 2009 the VideoLAN project
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.
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.
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
19 *****************************************************************************/
28 void swab( const void *p_src_, void *p_dst_, ssize_t n )
30 const uint8_t *p_src = p_src_;
31 uint8_t *p_dst = p_dst_;
36 for( ssize_t i = 0; i < n-1; i += 2 )
38 uint8_t i_tmp = p_src[i+0];
39 p_dst[i+0] = p_src[i+1];