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acl_delete_perm(3)

NAME

acl_delete_perm - Delete permissions from a set of permissions belonging to an ACL entry

SYNOPSIS

#include <sys/acl.h> int acl_delete_perm( acl_permset_t permset_d, acl_perm_t perm_d );

LIBRARY

Security Library (libpacl.a)

PARAMETERS

permset_d Specifies the permission set of the working storage internal representation ACL entry. perm_d Specifies the file permissions to be deleted (a combination of ACL_EXECUTE, ACL_READ, and ACL_WRITE).

DESCRIPTION

NOTE: This function is based on Draft 13 of the POSIX P1003.6 standard. The acl_delete_perm() function deletes the specified permission in perm_d from the permission set. This function does not return an error if the permission set does not have any of the specified permissions turned on.

RETURN VALUES

Upon successful completion, the acl_delete_perm() function returns a value of 0 (zero). Otherwise, a value of -1 is returned, and errno is set to indicate the error.

ERRORS

If the following condition occurs, the acl_delete_perm() function sets errno to the corresponding value: [EINVAL] The permset_d parameter does not refer to a valid permission set. The perm_d parameter does not contain valid file permission bits.

SEE ALSO

acl_add_perm(3), acl_clear_perm(3), acl_get_permset(3), acl_set_permset(3), acl_get_entry(3) Security

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