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NAME

acl_cmp

 - compare two ACLs  
LIBRARY


Linux Access Control Lists library (libacl, -lacl).
 
SYNOPSIS

   #include <sys/types.h>


   #include <acl/libacl.h>


int
acl_cmp (acl_t acl1 acl_t acl2);


 
DESCRIPTION

The
acl_cmp ();


function compares the ACLs pointed to by the arguments
acl1

and
acl2

for equality. The two ACLs are considered equal if for each entry in
acl1

there is an entry in
acl2

with matching tag type, qualifier, and permissions, and vice versa.
 
RETURN VALUE

If successful, the
acl_cmp ();


function returns
0

if the two ACLs
acl1

and
acl2

are equal, and
1

if they differ. 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_cmp ();


function returns
-1

and sets
errno

to the corresponding value:



Bq Er EINVAL




The argument
acl1

is not a valid pointer to an ACL.


The argument
acl2

is not a valid pointer to an ACL.



 
STANDARDS

This is a non-portable, Linux specific extension to the ACL manipulation
functions defined in IEEE Std 1003.1e draft 17 (lqPOSIX.1erq, abandoned).
 
SEE ALSO

acl(5)


 
AUTHOR

Written by
An Andreas Gruenbacher Aq a.gruenbacher@bestbits.at .




 
Index

NAME

LIBRARY

SYNOPSIS

DESCRIPTION

RETURN VALUE

ERRORS

STANDARDS

SEE ALSO

AUTHOR







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