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    Command:

    acl_valid

    
    
    
    

    SYNOPSIS

         #include <sys/types.h>
         #include <sys/acl.h>
    
         int
         acl_valid(acl_t acl);
    
    
    

    DESCRIPTION

         The acl_valid() function checks the ACL referred to by the argument acl
         for validity.
    
         The three required entries ACL_USER_OBJ, ACL_GROUP_OBJ, and ACL_OTHER
         must exist exactly once in the ACL. If the ACL contains any ACL_USER or
         ACL_GROUP entries, then an ACL_MASK entry is also required. The ACL may
         contain at most one ACL_MASK entry.
    
         The user identifiers must be unique among all entries of type ACL_USER.
         The group identifiers must be unique among all entries of type ACL_GROUP.
    
    
    

    RETURN VALUE

         The acl_valid() function returns the value 0 if successful; otherwise the
         value -1 is returned and the global variable errno is set to indicate the
         error.
    
    
    

    ERRORS

         If any of the following conditions occur, the acl_valid() function
         returns -1 and sets errno to the corresponding value:
    
         [EINVAL]           The argument acl is not a valid pointer to an ACL.
    
                            The argument acl does not point to a valid ACL.
    
                            One or more of the required ACL entries is not present
                            in acl.
    
                            The ACL contains entries that are not unique.
    
    
    

    STANDARDS

         IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)
    
    
    

    SEE ALSO

         acl_check(3), acl_set_file(3), acl(5)
    
    
    

    AUTHOR

         Derived from the FreeBSD manual pages written by Robert N M Watson
         <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
         <a.gruenbacher@bestbits.at>.
    
    
    

    Linux ACL March 23, 2002 Linux ACL

    
    
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