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From 60dd5798c90f0032b5c477bd35a2e0d49c280c7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
Date: Wed, 8 Apr 2015 16:58:20 +0300
Subject: [PATCH] use memmove for copying buffer leftovers, as the ranges may
overlap
issue cought by fortify
---
src/io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/io.c b/src/io.c
index e9d95df..765afc5 100644
--- a/src/io.c
+++ b/src/io.c
@@ -224,7 +224,7 @@ static apk_blob_t is_bs_read(void *stream, apk_blob_t token)
/* We need more data */
if (isbs->left.len != 0)
- memcpy(isbs->buffer, isbs->left.ptr, isbs->left.len);
+ memmove(isbs->buffer, isbs->left.ptr, isbs->left.len);
isbs->left.ptr = isbs->buffer;
size = isbs->is->read(isbs->is, isbs->buffer + isbs->left.len,
sizeof(isbs->buffer) - isbs->left.len);
--
2.3.5
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