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	---
	util.c (770B)
	---
	1 #include <stdio.h>
	2 #include <string.h>
	3 #include <stdlib.h>
	4 #include <sys/types.h>
	5
	6 #include "util.h"
	7
	8 /*
	9 * Taken from OpenBSD.
	10 * Copy src to string dst of size siz. At most siz-1 characters
	11 * will be copied. Always NUL terminates (unless siz == 0).
	12 * Returns strlen(src); if retval >= siz, truncation occurred.
	13 */
	14 size_t
	15 strlcpy(char dst, const char src, size_t siz) {
	16 char *d = dst;
	17 const char *s = src;
	18 size_t n = siz;
	19
	20 /* copy as many bytes as will fit */
	21 if (n != 0) {
	22 while (--n != 0) {
	23 if ((d++ = s++) == '\0')
	24 break;
	25 }
	26 }
	27 /* not enough room in dst, add NUL and traverse rest of src */
	28 if (n == 0) {
	29 if (siz != 0)
	30 d = '\0'; / NUL-terminate dst */
	31 while (*s++)
	32 ;
	33 }
	34 return(s - src - 1); /* count does not include NUL */
	35 }