[Qemu-devel] [RFC PATCH 21/26] replay: check return values of fwrite

[Pavel Dovgalyuk]

This patch adds error reporting when fwrite cannot completely
save the buffer to the file.

Signed-off-by: Pavel Dovgalyuk <pavel.dovga...@ispras.ru>

---
 replay/replay-internal.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/replay/replay-internal.c b/replay/replay-internal.c
index d036a02..0f73fdc 100644
--- a/replay/replay-internal.c
+++ b/replay/replay-internal.c
@@ -62,7 +62,9 @@ void replay_put_array(const uint8_t *buf, size_t size)
 {
     if (replay_file) {
         replay_put_dword(size);
-        fwrite(buf, 1, size, replay_file);
+        if (fwrite(buf, 1, size, replay_file) != size) {
+            error_report("replay write error");
+        }
     }
 }