seteuid#
Synopsis#
#include <unistd.h>
int seteuid(uid_t uid);
Status#
Declared, not implemented
Conformance#
IEEE Std 1003.1-2017
Description#
If uid is equal to the real user ID or the saved set-user-ID, or if the process has appropriate privileges,
seteuid()
shall set the effective user ID of the calling process to uid; the real user ID and saved set-user-ID
shall remain unchanged.
The seteuid()
function shall not affect the supplementary group list in any way.
Return value#
Upon successful completion, 0 shall be returned; otherwise, -1 shall be returned and errno
set to indicate the error.
Errors#
The seteuid()
function shall fail if:
EINVAL
- The value of the uid argument is invalid and is not supported by the implementation.EPERM
- The process does not have appropriate privileges and uid does not match the real user ID or the saved set-user-ID.
Tests#
Untested
Known bugs#
None