Provided by: libdpm-dev_1.13.0-1_amd64
dpns_modifyusrmap - modify user entry corresponding to a given virtual uid
#include <sys/types.h> #include "dpns_api.h" int dpns_modifyusrmap (uid_t uid, char *newname, int status)
dpns_modifyusrmap modifies the user entry corresponding to a given virtual uid. uid specifies the Virtual User Id. newname specifies the new user name. It must be at most 255 characters long. status status can be set to 0 or a combination of ARGUS_BAN and LOCAL_BAN. This function requires ADMIN privilege.
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
EACCES The caller does not have ADMIN privilege. EFAULT newname is a NULL pointer. EEXIST This user exists already. EINVAL This uid does not exist in the internal mapping table or the length of newname exceeds 255. SENOSHOST Host unknown. SENOSSERV Service unknown. SECOMERR Communication error. ENSNACT Name server is not running or is being shutdown.