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vtfontcvt: add comments in add_glyph

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During review for PR 205707.

Event:		Berlin Devsummit 2019
This commit is contained in:
Ed Maste 2019-06-15 09:15:58 +00:00
parent 0b253f2ba4
commit cfe607d5bf
1 changed files with 2 additions and 0 deletions
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2
usr.bin/vtfontcvt/vtfontcvt.c
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@ -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);