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Add pointless likelihood macros

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Přemysl Eric Janouch 2021-12-30 21:48:43 +01:00
parent fa69935e67
commit 8b232dc444
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 3 additions and 3 deletions
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fiv-io.c
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@ -1004,7 +1004,7 @@ parse_jpeg_metadata(cairo_surface_t *surface, const gchar *data, gsize len)
// Do not bother validating the structure.
guint16 length = p[0] << 8 | p[1];
const guint8 *payload = p + 2;
if ((p += length) > end)
if (G_UNLIKELY((p += length) > end))
break;
// https://www.cipa.jp/std/documents/e/DC-008-2012_E.pdf 4.7.2
@ -2726,8 +2726,8 @@ fiv_io_exif_orientation(const guint8 *tiff, gsize len)
for (const guint8 *p = ifd0 + 2; fields-- && p + 12 <= end; p += 12) {
uint16_t tag = u16(p), type = u16(p + 2), value16 = u16(p + 8);
uint32_t count = u32(p + 4);
if (tag == Orientation && type == SHORT && count == 1 &&
value16 >= 1 && value16 <= 8)
if (G_UNLIKELY(tag == Orientation && type == SHORT && count == 1 &&
value16 >= 1 && value16 <= 8))
return value16;
}
return FivIoOrientationUnknown;