From 3e651eeac4001820a4b1ac6a31974753288bb9ed Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Mon, 8 Jun 2020 01:03:17 +0200
Subject: [PATCH] tools/target_dem_fuzzer: Implement AVSEEK_SIZE

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 tools/target_dem_fuzzer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/target_dem_fuzzer.c b/tools/target_dem_fuzzer.c
index 409599636d..cc097da0d7 100644
--- a/tools/target_dem_fuzzer.c
+++ b/tools/target_dem_fuzzer.c
@@ -70,6 +70,8 @@ static int64_t io_seek(void *opaque, int64_t offset, int whence)
         if (offset > INT64_MAX - c->filesize)
             return -1;
         offset += c->filesize;
+    } else if (whence == AVSEEK_SIZE) {
+        return c->filesize;
     }
     if (offset < 0 || offset > c->filesize)
         return -1;