From 8e22c4487f24ac1aff2550aa22de2323a507c11d Mon Sep 17 00:00:00 2001
From: emaste <emaste@FreeBSD.org>
Date: Sat, 15 Jun 2019 09:15:58 +0000
Subject: [PATCH] vtfontcvt: add comments in add_glyph

During review for PR 205707.

Event:		Berlin Devsummit 2019
---
 usr.bin/vtfontcvt/vtfontcvt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/usr.bin/vtfontcvt/vtfontcvt.c b/usr.bin/vtfontcvt/vtfontcvt.c
index d3c43f424839..d4d17b23e7a9 100644
--- a/usr.bin/vtfontcvt/vtfontcvt.c
+++ b/usr.bin/vtfontcvt/vtfontcvt.c
@@ -176,6 +176,7 @@ add_glyph(const uint8_t *bytes, unsigned int map_idx, int fallback)
 	glyph_total++;
 	glyph_count[map_idx]++;
 
+	/* Return existing glyph if we have an identical one. */
 	hash = fnv_32_buf(bytes, wbytes * height, FNV1_32_INIT) % FONTCVT_NHASH;
 	SLIST_FOREACH(gl, &glyph_hash[hash], g_hash) {
 		if (memcmp(gl->g_data, bytes, wbytes * height) == 0) {
@@ -184,6 +185,7 @@ add_glyph(const uint8_t *bytes, unsigned int map_idx, int fallback)
 		}
 	}
 
+	/* Allocate new glyph. */
 	gl = xmalloc(sizeof *gl);
 	gl->g_data = xmalloc(wbytes * height);
 	memcpy(gl->g_data, bytes, wbytes * height);