mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			31 lines
		
	
	
		
			585 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			585 B
		
	
	
	
		
			C
		
	
	
	
| /* Portable version of strnlen.
 | |
|    This function is in the public domain.  */
 | |
| 
 | |
| /*
 | |
| 
 | |
| @deftypefn Supplemental size_t strnlen (const char *@var{s}, size_t @var{maxlen})
 | |
| 
 | |
| Returns the length of @var{s}, as with @code{strlen}, but never looks
 | |
| past the first @var{maxlen} characters in the string.  If there is no
 | |
| '\0' character in the first @var{maxlen} characters, returns
 | |
| @var{maxlen}.
 | |
| 
 | |
| @end deftypefn
 | |
| 
 | |
| */
 | |
| 
 | |
| #include "config.h"
 | |
| 
 | |
| #include <stddef.h>
 | |
| 
 | |
| size_t
 | |
| strnlen (const char *s, size_t maxlen)
 | |
| {
 | |
|   size_t i;
 | |
| 
 | |
|   for (i = 0; i < maxlen; ++i)
 | |
|     if (s[i] == '\0')
 | |
|       break;
 | |
|   return i;
 | |
| }
 |