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Document the cases in which setreuid changes the saved-user-ID.

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This commit is contained in:
Jacques Vidrine 2001-02-08 12:43:33 +00:00
parent c6be5d415a
commit 5e0c0a9246
1 changed files with 5 additions and 0 deletions
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5
lib/libc/sys/setreuid.2
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@ -56,6 +56,11 @@ Unprivileged users may change the real user
ID to the effective user ID and vice-versa; only the super-user may
make other changes.
.Pp
If the real user ID is changed (i.e.
.Fa ruid
is not -1) or the effective user ID is changed to something other than
the real user ID, then the saved user ID will be set to the effective user ID.
.Pp
The
.Fn setreuid
function has been used to swap the real and effective user IDs