ACL_FROM_MODE - Online Linux Manual PageSection : 3
Updated : March 23, 2002
Operating system : Linux ACL

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NAME acl_from_mode —create an ACL from file permission bits

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LIBRARYLinux Access Control Lists library (libacl, −lacl).

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SYNOPSIS #include <sys/types.h>
#include <acl/libacl.h>
acl_t acl_from_mode(mode_t mode);

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DESCRIPTIONThe acl_from_mode() function creates a minimal ACL that contains the three entries with tag types ACL_USER_OBJ, ACL_GROUP_OBJ, and ACL_OTHER, with permissions corresponding to the owner, group, and other permission bits of its argument mode.

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RETURN VALUEOn success, this function returns a pointer to the working storage. On error, a value of (acl_t)NULL is returned, and errno is set appropriately.

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ERRORSIf any of the following conditions occur, the acl_from_mode() function returns a value of (acl_t)NULL and sets errno to the corresponding value: [ENOMEM] The ACL working storage requires more memory than is allowed by the hardware or system-imposed memory management constraints.

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STANDARDSThis is a non-portable, Linux specific extension to the ACL manipulation functions defined in IEEE Std 1003.1e draft 17 (‟POSIX.1e”, abandoned).

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SEE ALSOacl_equiv_mode(3), acl_get_file(3), acl(5)

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AUTHORWritten by Andreas Gruenbacher ⟨andreas.gruenbacher@gmail.com⟩. 0

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Johanes Gumabo

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