/*************************************************************************** *            pad.c * *  Mon May 21 18:07:35 2007 *  Copyright  2007  kf701 *  Email <kf701.ye AT gmail.com> ****************************************************************************//* *  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 <sys/types.h>#include <sys/stat.h>#include "kf701.h"/** * @brief padding a file align ALIGN_SIZE * N size * @param filein will be aligned * @param fileout output file * @param align_size align size unit * @retval true success * @retval false faild */bool pad_file(char *filein, char *fileout, uint32_t align_size){	if( NULL == filein || NULL == fileout )		return false;	FILE* fp = fopen(filein, "r");	if(!fp)		return false;	struct stat fst;	int ext_size;	stat(filein, &fst);	if( 0 == fst.st_size % align_size )		ext_size = fst.st_size;	else		ext_size = (fst.st_size / align_size + 1) * align_size;	uint8_t buf[ext_size];	fread( buf, 1, fst.st_size, fp );	fclose(fp);	if( ext_size != fst.st_size )		memset( buf + fst.st_size, 0, ext_size - fst.st_size );	fp = fopen(fileout, "w+");	fwrite( buf, 1, ext_size, fp );	fclose(fp);	return true;}