From 58e4823f685c7eaa471e80f2624104757919fa17 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Tue, 23 Jan 2018 07:57:52 -0500
Subject: [PATCH] Bug1829, more: detect out-of-space when writing FFmpeg
 formats

---
 src/FFmpeg.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/FFmpeg.cpp b/src/FFmpeg.cpp
index 380070004..3c4c0e706 100644
--- a/src/FFmpeg.cpp
+++ b/src/FFmpeg.cpp
@@ -176,7 +176,10 @@ static int ufile_read(void *opaque, uint8_t *buf, int size)
 
 static int ufile_write(void *opaque, uint8_t *buf, int size)
 {
-   return (int) ((wxFile *) opaque)->Write(buf, size);
+   auto bytes = (int) ((wxFile *) opaque)->Write(buf, size);
+   if (bytes != size)
+      return -ENOSPC;
+   return bytes;
 }
 
 static int64_t ufile_seek(void *opaque, int64_t pos, int whence)