NAME¶
dpns_getgrpbygids - get group names associated with given virtual gids
SYNOPSIS¶
#include <sys/types.h>
#include "dpns_api.h"
int dpns_getgrpbygids (int nbgroups, gid_t
*gids, char **groupnames)
DESCRIPTION¶
dpns_getgrpbygids gets the group names associated with given virtual
gids.
- nbgroups
- specifies the number of gids.
- gids
- specifies the Virtual Group Ids.
- groupnames
- specifies a buffer to receive the pointers to the
associated group names. The buffer must be big enough to hold
nbgroups pointer values. The client application is responsible for
freeing the array elements when not needed anymore.
RETURN VALUE¶
This routine returns 0 if the operation was successful or -1 if the operation
failed. In the latter case,
serrno is set appropriately.
ERRORS¶
- ENOMEM
- Memory could not be allocated for unmarshalling the
reply.
- EFAULT
- gids or groupnames is a NULL pointer.
- EINVAL
- nbgroups is not strictly positive or one of the gids
does not exist in the internal mapping table.
- SENOSHOST
- Host unknown.
- SENOSSERV
- Service unknown.
- SECOMERR
- Communication error.
- ENSNACT
- Name server is not running or is being shutdown.