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Synopsis

#include <sys/types.h>

#include <sys/acl.h>

int acltomode(aclent_t *aclbufp, int nentries, mode_t *modep);

int aclfrommode(aclent_t *aclbufp, int nentries, mode_t *modep);

Description

The USER_OBJ ACL entry permission bits are copied to the file owner class bits in the permission bits buffer. The OTHER_OBJ ACL entry permission bits are copied to the file other class bits in the permission bits buffer. If there is a CLASS_OBJ ACL entry, then the CLASS_OBJ ACL entry permission bits are copied to the file group class bits in the permission bits buffer. Otherwise, the GROUP_OBJ ACL entry permission bits are copied to the file group class bits in the permission bits buffer.

aclfrommode() converts permission bits into an ACL pointed to by aclbufp. If the USER_OBJ ACL entry, GROUP_OBJ ACL entry, or the OTHER_OBJ ACL entry cannot be found in the ACL buffer, then the function fails with errno set to EINVAL.

The file owner class bits from permission bits buffer are copied to the USER_OBJ ACL entry. The file other class bits from permission bits buffer are copied to the OTHER_OBJ ACL entry. If there is a CLASS_OBJ ACL entry, then the file group class bits from permission bits buffer are copied to the CLASS_OBJ ACL entry, and the GROUP_OBJ ACL entry is not modified. Otherwise, the file group class bits from permission bits buffer are copied to the GROUP_OBJ ACL entry.

nentries is the number of ACL entries in the buffer pointed to by aclbufp.

Return Values

See Also

Table of Contents

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• Synopsis
• Description
• Return Values
• See Also