Clarify comment on set_effective_uid()
Andrew Bartlett
/****************************************************************************
- Set *only* the effective uid.
- we want to end up with ruid==0 and euid==uid
+ Set effective uid, and possibly the real uid too.
+ We want to end up with either:
+
+ ruid==uid and euid==uid
+
+ or
+
+ ruid==0 and euid==uid
+
+ depending on what the local OS will allow us to regain root from.
****************************************************************************/
void set_effective_uid(uid_t uid)
{