60 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* vi: set sw=4 ts=4: */
 | |
| /*
 | |
|  * Utility routines.
 | |
|  *
 | |
|  * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.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 <unistd.h>
 | |
| #include <string.h>
 | |
| #include <errno.h>
 | |
| #include "libbb.h"
 | |
| 
 | |
| 
 | |
| extern int copyfd(int fd1, int fd2)
 | |
| {
 | |
| 	char buf[8192];
 | |
| 	ssize_t nread, nwrote;
 | |
| 
 | |
| 	while (1) {
 | |
| 		nread = safe_read(fd1, buf, sizeof(buf));
 | |
| 		if (nread == 0)
 | |
| 			break;
 | |
| 		if (nread == -1) {
 | |
| 			perror_msg("read");
 | |
| 			return -1;
 | |
| 		}
 | |
| 
 | |
| 		nwrote = full_write(fd2, buf, nread);
 | |
| 		if (nwrote == -1) {
 | |
| 			perror_msg("write");
 | |
| 			return -1;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /* END CODE */
 | |
| /*
 | |
| Local Variables:
 | |
| c-file-style: "linux"
 | |
| c-basic-offset: 4
 | |
| tab-width: 4
 | |
| End:
 | |
| */
 |