src/file_io.c : Prevent potential divide-by-zero.

Closes: #92
libsndfile · Dec 24, 2014 · 725c7db · 725c7db
1 parent eea1365
commit 725c7db
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/file_io.c b/src/file_io.c
@@ -1,5 +1,5 @@
 /*
-** Copyright (C) 2002-2013 Erik de Castro Lopo <erikd@mega-nerd.com>
+** Copyright (C) 2002-2014 Erik de Castro Lopo <erikd@mega-nerd.com>
 ** Copyright (C) 2003 Ross Bencina <rbencina@iprimus.com.au>
 **
 ** This program is free software; you can redistribute it and/or modify
@@ -358,6 +358,9 @@ psf_fwrite (const void *ptr, sf_count_t bytes, sf_count_t items, SF_PRIVATE *psf
 {	sf_count_t total = 0 ;
 	ssize_t	count ;
 
+	if (bytes == 0 || items == 0)
+		return 0 ;
+
 	if (psf->virtual_io)
 		return psf->vio.write (ptr, bytes*items, psf->vio_user_data) / bytes ;