60 isc_dir_open(isc_dir_t *dir, const char *dirname) {  in isc_dir_open()  argument
66 	REQUIRE(dirname != NULL);  in isc_dir_open()
72 	octets = strlen(dirname) + 1;  in isc_dir_open()
73 	if (octets + 2 > sizeof(dir->dirname))  in isc_dir_open()
76 	strlcpy(dir->dirname, dirname, octets);  in isc_dir_open()
81 	p = dir->dirname + strlen(dir->dirname);  in isc_dir_open()
82 	if (dir->dirname < p && *(p - 1) != '/')  in isc_dir_open()
90 	dir->handle = opendir(dirname);  in isc_dir_open()
161 isc_dir_chdir(const char *dirname) {  in isc_dir_chdir()  argument
166 	REQUIRE(dirname != NULL);  in isc_dir_chdir()
168 	if (chdir(dirname) < 0)  in isc_dir_chdir()
175 isc_dir_chroot(const char *dirname) {  in isc_dir_chroot()  argument
177 	REQUIRE(dirname != NULL);  in isc_dir_chroot()
180 	if (chroot(dirname) < 0 || chdir("/") < 0)  in isc_dir_chroot()