NAME

       explain_setuid_or_die - set user identity and report errors

SYNOPSIS

       #include <libexplain/setuid.h>
       void explain_setuid_or_die(int uid);
       int explain_setuid_on_error(int uid);

DESCRIPTION

       The  explain_setuid_or_die  function is used to call the setuid(2) system call. On failure
       an explanation will be printed to stderr, obtained from  the  explain_setuid(3)  function,
       and then the process terminates by calling exit(EXIT_FAILURE).

       The explain_setuid_on_error function is used to call the setuid(2) system call. On failure
       an explanation will be printed to stderr, obtained from  the  explain_setuid(3)  function,
       but still returns to the caller.

       uid     The uid, exactly as to be passed to the setuid(2) system call.

RETURN VALUE

       The  explain_setuid_or_die  function  only  returns  on  success,  see  setuid(2) for more
       information. On failure, prints an explanation and exits, it does not return.

       The explain_setuid_on_error function always  returns  the  value  return  by  the  wrapped
       setuid(2) system call.

EXAMPLE

       The  explain_setuid_or_die  function  is  intended  to be used in a fashion similar to the
       following example:
              explain_setuid_or_die(uid);

SEE ALSO

       setuid(2)
               set user identity

       explain_setuid(3)
               explain setuid(2) errors

       exit(2) terminate the calling process

COPYRIGHT

       libexplain version 1.4
       Copyright (C) 2012 Peter Miller

                                                                         explain_setuid_or_die(3)