acl_create_entry man page on Archlinux

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ACL_CREATE_ENTRY(3)	 BSD Library Functions Manual	   ACL_CREATE_ENTRY(3)

     acl_create_entry — create a new ACL entry

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

     #include <sys/types.h>
     #include <sys/acl.h>

     acl_create_entry(acl_t *acl_p, acl_entry_t *entry_p);

     The acl_create_entry() function creates a new ACL entry in the ACL
     pointed to by the contents of the pointer argument acl_p.	On success,
     the function returns a descriptor for the new ACL entry via entry_p.

     This function may cause memory to be allocated.  The caller should free
     any releasable memory, when the new ACL is no longer required, by calling
     acl_free(3) with (void*)*acl_p as an argument.  If the ACL working stor‐
     age cannot be increased in the current location, then the working storage
     for the ACL pointed to by acl_p may be relocated and the previous working
     storage is released. A pointer to the new working storage is returned via

     The components of the new ACL entry are initialized in the following
     ways: the ACL tag type component contains ACL_UNDEFINED_TAG, the quali‐
     fier component contains ACL_UNDEFINED_ID, and the set of permissions has
     no permissions enabled. Any existing ACL entry descriptors that refer to
     entries in the ACL continue to refer to those entries.

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

     If any of the following conditions occur, the acl_create_entry() function
     returns -1 and sets errno to the corresponding value:

     [EINVAL]		The argument acl_p is not a valid pointer to an ACL.

     [ENOMEM]		The ACL working storage requires more memory than is
			allowed by the hardware or system-imposed memory man‐
			agement constraints.

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

     acl_init(3), acl_delete_entry(3), acl_free(3), acl_create_entry(3),

     Derived from the FreeBSD manual pages written by Robert N M Watson
     ⟨⟩, and adapted for Linux by Andreas Gruenbacher

Linux ACL			March 23, 2002			     Linux ACL

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