28 lines
		
	
	
		
			631 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			631 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* vi: set sw=4 ts=4: */
 | |
| /*
 | |
|  * Utility routines.
 | |
|  *
 | |
|  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
 | |
|  *
 | |
|  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 | |
|  */
 | |
| 
 | |
| #include "libbb.h"
 | |
| 
 | |
| /* Like strncpy but make sure the resulting string is always 0 terminated. */
 | |
| char* FAST_FUNC safe_strncpy(char *dst, const char *src, size_t size)
 | |
| {
 | |
| 	if (!size) return dst;
 | |
| 	dst[--size] = '\0';
 | |
| 	return strncpy(dst, src, size);
 | |
| }
 | |
| 
 | |
| /* Like strcpy but can copy overlapping strings. */
 | |
| void FAST_FUNC overlapping_strcpy(char *dst, const char *src)
 | |
| {
 | |
| 	while ((*dst = *src) != '\0') {
 | |
| 		dst++;
 | |
| 		src++;
 | |
| 	}
 | |
| }
 |