libsndfile/libsndfile-1.0.25-zerodivfix.patch
2016-11-11 22:12:51 +01:00

26 lines
767 B
Diff

From 725c7dbb95bfaf8b4bb7b04820e3a00cceea9ce6 Mon Sep 17 00:00:00 2001
From: Erik de Castro Lopo <erikd@mega-nerd.com>
Date: Wed, 24 Dec 2014 21:02:35 +1100
Subject: [PATCH] src/file_io.c : Prevent potential divide-by-zero.
Closes: https://github.com/erikd/libsndfile/issues/92
---
src/file_io.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/file_io.c b/src/file_io.c
index 26d3d6d..6ccab78 100644
--- a/src/file_io.c
+++ b/src/file_io.c
@@ -1322,6 +1322,9 @@ 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 ;