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label_to_str(3tsol)
Trusted Extensions Library Functions label_to_str(3TSOL)
NAME
label_to_str - convert labels to human readable strings
SYNOPSIS
cc [flag...] file... -ltsol [library...]
#include <tsol/label.h>
int label_to_str(const m_label_t *label, char **string,
const m_label_str_t conversion_type, uint_t flags);
DESCRIPTION
label_to_str() is a simple function to convert various mandatory label
types to human readable strings.
label is the mandatory label to convert. string points to memory that
is allocated by label_to_str() that contains the converted string. The
caller is responsible for calling free(3C) to free allocated memory.
The calling process must have mandatory read access to the resulting
human readable string. Or the calling process must have the
sys_trans_label privilege.
The conversion_type parameter controls the type of label conversion.
Not all types of conversion are valid for all types of label:
M_LABEL Converts label to a human readable string based
on its type.
M_INTERNAL Converts label to an internal text representation
that is safe for storing in a public object.
Internal conversions can later be parsed to their
same value.
M_COLOR Converts label to a string that represents the
color name that the administrator has associated
with the label.
PRINTER_TOP_BOTTOM Converts label to a human readable string that is
appropriate for use as the top and bottom label
of banner and trailer pages in the Defense Intel‐
ligence Agency (DIA) encodings printed output
schema.
PRINTER_LABEL Converts label to a human readable string that is
appropriate for use as the banner page downgrade
warning in the DIA encodings printed output
schema.
PRINTER_CAVEATS Converts label to a human readable string that is
appropriate for use as the banner page caveats
section in the DIA encodings printed output
schema.
PRINTER_CHANNELS Converts label to a human readable string that is
appropriate for use as the banner page handling
channels in the DIA encodings printed output
schema.
The flags parameter provides a hint to the label conversion:
DEF_NAMES The default names are preferred.
SHORT_NAMES Short names are preferred where defined.
LONG_NAMES Long names are preferred.
RETURN VALUES
Upon successful completion, the label_to_str() function returns 0. Oth‐
erwise, -1 is returned, errno is set to indicate the error and the
string pointer is set to NULL.
ERRORS
The label_to_str() function will fail if:
EINVAL Invalid parameter.
ENOTSUP The system does not support label translations.
ENOMEM The physical limits of the system are exceeded by size bytes
of memory which cannot be allocated.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilitySee below. _ MT-LevelMT-Safe _
StandardSee below.
The label_to_str() function is Committed. The returned string is Not-
an-Interface and is dependent on the specific label_encodings file.
The conversion type INTERNAL is Uncommitted, but is always accepted as
input to str_to_label(3TSOL).
Conversion types that are relative to the DIA encodings schema are
Standard. Standard is specified in label_encodings(5).
SEE ALSO
free(3C), libtsol(3LIB), str_to_label(3TSOL), label_encodings(5),
attributes(7), labels(7)
WARNINGS
A number of these conversions rely on the DIA label encodings schema.
They might not be valid for other label schemata.
Oracle Solaris 11.4 18 Aug 2014 label_to_str(3TSOL)