.\"	$Id: lowdown_gemini_free.3,v 1.5 2021/02/13 22:16:43 kristaps Exp $
.\"
.\" Copyright (c) 2020--2021 Kristaps Dzonsons <kristaps@bsd.lv>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
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.Dd $Mdocdate: February 13 2021 $
.Dt LOWDOWN_GEMINI_FREE 3
.Os
.Sh NAME
.Nm lowdown_gemini_free
.Nd free a Markdown gemini renderer
.Sh LIBRARY
.Lb liblowdown
.Sh SYNOPSIS
.In sys/queue.h
.In stdio.h
.In lowdown.h
.Ft void
.Fo lowdown_gemini_free
.Fa "void *arg"
.Fc
.Sh DESCRIPTION
Frees the gemini renderer created with
.Xr lowdown_gemini_new 3 .
If
.Va arg
is
.Dv NULL ,
the function does nothing.
.Sh EXAMPLES
The following assumes the the string
.Va buf
of length
.Va bsz
consists of Markdown content.
.Bd -literal -offset indent
struct lowdown_buf *out;
struct lowdown_doc *doc;
struct lowdown_node *n;
void *rndr;

if (setlocale(LC_CTYPE, "en_US.UTF-8") == NULL)
  err(1, NULL);

if ((doc = lowdown_doc_new(NULL)) == NULL)
  err(1, NULL);
if ((n = lowdown_doc_parse(doc, NULL, buf, bsz)) == NULL)
  err(1, NULL);
if ((out = lowdown_buf_new(256)) == NULL)
  err(1, NULL);
if ((rndr = lowdown_gemini_new(NULL)) == NULL)
  err(1, NULL);
if (!lowdown_gemini_rndr(out, NULL, rndr, n))
  err(1, NULL);

fwrite(out->data, 1, out->size, stdout);

lowdown_gemini_free(rndr);
lowdown_buf_free(out);
lowdown_node_free(n);
lowdown_doc_free(doc);
.Ed
.Sh SEE ALSO
.Xr lowdown 3 ,
.Xr lowdown_gemini_new 3
.Sh STANDARDS
The gemini format is documented in
.Lk https://gemini.circumlunar.space/docs/specification.html Project Gemini .
The version at the time of writing is 0.14.3.