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.\"
.\" This file and its contents are supplied under the terms of the
.\" Common Development and Distribution License ("CDDL"), version 1.0.
.\" You may only use this file in accordance with the terms of version
.\" 1.0 of the CDDL.
.\"
.\" A full copy of the text of the CDDL should have accompanied this
.\" source. A copy of the CDDL is also available via the Internet at
.\" http://www.illumos.org/license/CDDL.
.\"
.\"
.\" Copyright 2015 Joyent, Inc.
.\"
.Dd May 11, 2016
.Dt PROC_CONTENT2STR 3PROC
.Os
.Sh NAME
.Nm proc_content2str ,
.Nm proc_str2content
.Nd convert a string to and from a core_content_t
.Sh SYNOPSIS
.Lb libproc
.In libproc.h
.Ft int
.Fo proc_content2str
.Fa "core_content_t content"
.Fa "char *buf"
.Fa "size_t size"
.Fc
.Ft int
.Fo proc_str2content
.Fa "const char *str"
.Fa "core_content_t *cp"
.Fc
.Sh DESCRIPTION
The
.Fn proc_content2str
function converts the contents of a process (whether active or a core
file) from
.Fa content
into a string and writes up to
.Fa size
characters, including the null-terminator, into
.Fa buf .
.Pp
A content string will be a series of one or more tokens concatenated
together with the
.Sy +
or
.Sy -
characters, indicating that the subsequent token should be added or
subtracted from the previous ones.
The full list of tokens and constants is available in the
.Sy core_content_t
portion of the
.Sy TYPES
section in
.Xr libproc 3LIB .
.Pp
The
.Fn proc_str2content
function takes the character string
.Fa str
and based on the format described in the previous paragraph, converts it
back into a
.Vt core_content_t
which is placed into
.Fa cp .
.Sh RETURN VALUES
Upon successful completion, the
.Fn proc_content2str
function will return the number of characters written into
.Fa buf ,
excluding the terminating null character.
.Pp
Upon successful completion, the
.Fn proc_str2content
function will return
.Sy 0 .
Otherwise,
.Sy -1
will be returned to indicate an unknown string.
.Sh INTERFACE STABILITY
.Sy Uncommitted
.Sh MT-LEVEL
.Sy MT-Safe
.Sh SEE ALSO
.Xr libproc 3LIB ,
.Xr proc 5 ,
.Xr coreadm 8
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