59 isc_dir_open(isc_dir_t *dir, const char *dirname) {  in isc_dir_open()  argument
64 	REQUIRE(dirname != NULL);  in isc_dir_open()
70 	if (strlen(dirname) + 3 > sizeof(dir->dirname))  in isc_dir_open()
73 	strcpy(dir->dirname, dirname);  in isc_dir_open()
78 	p = dir->dirname + strlen(dir->dirname);  in isc_dir_open()
79 	if (dir->dirname < p && *(p - 1) != '/')  in isc_dir_open()
87 	dir->handle = opendir(dirname);  in isc_dir_open()
156 isc_dir_chdir(const char *dirname) {  in isc_dir_chdir()  argument
161 	REQUIRE(dirname != NULL);  in isc_dir_chdir()
163 	if (chdir(dirname) < 0)  in isc_dir_chdir()
170 isc_dir_chroot(const char *dirname) {  in isc_dir_chroot()  argument
172 	REQUIRE(dirname != NULL);  in isc_dir_chroot()
175 	if (chroot(dirname) < 0 || chdir("/") < 0)  in isc_dir_chroot()