recognize those ubiquitous webp file

cherry-picked from FreeBSD

okay millert@, deraadt@, sthen@

diff --git a/usr.bin/file/magdir/riff b/usr.bin/file/magdir/riff
index 2aa2b3f..0fd91a2 100644 (file)
--- a/usr.bin/file/magdir/riff
+++ b/usr.bin/file/magdir/riff
@@ -1,4 +1,4 @@
-#      $OpenBSD: riff,v 1.3 2009/04/24 18:54:34 chl Exp $
+#      $OpenBSD: riff,v 1.4 2021/01/23 10:18:28 espie Exp $
 
 #------------------------------------------------------------------------------
 # riff:  file(1) magic for RIFF format
@@ -177,6 +177,8 @@
 # MPEG-1 wrapped in a RIFF, apparently
 >8      string          CDXA            \b, wrapped MPEG-1 (CDXA)
 >8     string          4XMV            \b, 4X Movie file 
+>8     string          WEBP            \b, Web/P image
+!:mime image/webp
 
 #
 # XXX - some of the below may only appear in little-endian form.