5.6.3 pathconf: Get value of a configuration option variable

 

SYNOPSIS

#include <oskit/io/posixio.h>

OSKIT_COMDECL oskit_posixio_pathconf(oskit_posixio_t *f, oskit_s32_t option, [out] oskit_s32_t *out_val);

DESCRIPTION

This method returns the value of the specified configuration option variable for this object. The value of option may be one of the following:

OSKIT_PC_LINK_MAX

Get the maximum file link count.

OSKIT_PC_MAX_CANON

Get the maximum size of the terminal input line.

OSKIT_PC_MAX_INPUT

Get the maximum input queue size.

OSKIT_PC_NAME_MAX

Get the maximum number of bytes in a filename.

OSKIT_PC_PATH_MAX

Get the maximum number of bytes in a pathname.

OSKIT_PC_PIPE_BUF

Get the maximum atomic write size to a pipe.

OSKIT_PC_CHOWN_RESTRICTED

Determine whether use of chown is restricted.

OSKIT_PC_NO_TRUNC

Determine whether too-long pathnames produce errors.

OSKIT_PC_VDISABLE

Get value to disable special terminal characters.

OSKIT_PC_ASYNC_IO

Determine whether asynchronous IO is supported.

OSKIT_PC_PRIO_IO

Determine whether prioritized IO is supported.

OSKIT_PC_SYNC_IO

Determine whether synchronized IO is supported.

PARAMETERS

f

The object from which to obtain a configuration option value

option

The configuration option variable

out_val

The value of the configuration option value.

RETURNS

Returns 0 on success, or an error code specified in <oskit/error.h>, on error.