C++ (Cpp) start_gr示例

示例#1

文件： getgrent.c 项目： OpenDarwin-CVS/SEDarwin

struct group *
getgrent()
{
	if ((!_gr_fp && !start_gr()) || !grscan(0, 0, NULL))
		return(NULL);
	return(&_gr_group);
}

示例#2

文件： getgrent.c 项目： dzavalishin/oskit

struct group *
getgrent()
{
	if (!_gr_fp && !start_gr()) {
		return NULL;
	}

#ifdef YP
	if (_gr_stepping_yp) {
		if (_nextypgroup(&_gr_group))
			return(&_gr_group);
	}
tryagain:
#endif

	if (!grscan(0, 0, NULL))
		return(NULL);
#ifdef YP
	if(_gr_group.gr_name[0] == '+' && _gr_group.gr_name[1]) {
		_getypgroup(&_gr_group, &_gr_group.gr_name[1],
			    "group.byname");
	} else if(_gr_group.gr_name[0] == '+') {
		if (!_nextypgroup(&_gr_group))
			goto tryagain;
		else
			return(&_gr_group);
	}
#endif
	return(&_gr_group);
}

示例#3

struct group *
_getgrent_yp(int *foundyp)
{
	struct group *p_gr = (struct group*)_THREAD_PRIVATE(gr, _gr_group, NULL);
	struct group_storage *gs = (struct group_storage *)_THREAD_PRIVATE(gr_storage,
	    gr_storage, NULL);

	_THREAD_PRIVATE_MUTEX_LOCK(gr);
	if ((!_gr_fp && !start_gr()) || !grscan(0, 0, NULL, p_gr, gs, foundyp))
		p_gr = NULL;
	_THREAD_PRIVATE_MUTEX_UNLOCK(gr);
	return (p_gr);
}

示例#4

int
setgroupent(int stayopen)
{
	int retval;

	_THREAD_PRIVATE_MUTEX_LOCK(gr);
	if (!start_gr())
		retval = 0;
	else {
		_gr_stayopen = stayopen;
		retval = 1;
	}
	_THREAD_PRIVATE_MUTEX_UNLOCK(gr);
	return (retval);
}

示例#5

static struct group *
getgrgid_gs(gid_t gid, struct group *p_gr, struct group_storage *gs)
{
	int rval;

	_THREAD_PRIVATE_MUTEX_LOCK(gr);
	if (!start_gr())
		rval = 0;
	else {
		rval = grscan(1, gid, NULL, p_gr, gs, NULL);
		if (!_gr_stayopen)
			endgrent_basic();
	}
	_THREAD_PRIVATE_MUTEX_UNLOCK(gr);
	return(rval ? p_gr : NULL);
}