From 3ff2441acf8c0dcbbbabc5a50a53228f86c8af2c Mon Sep 17 00:00:00 2001
From: Marcus Overhagen <marcusoverhagen@gmail.com>
Date: Sat, 27 Jan 2007 00:05:39 +0000
Subject: [PATCH] two additional savety checks

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19981 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/tools/vmdkheader/vmdkheader.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/tools/vmdkheader/vmdkheader.cpp b/src/tools/vmdkheader/vmdkheader.cpp
index 5849211e3f..4cfc17c9ba 100644
--- a/src/tools/vmdkheader/vmdkheader.cpp
+++ b/src/tools/vmdkheader/vmdkheader.cpp
@@ -101,6 +101,16 @@ main(int argc, char *argv[])
 		exit(EXIT_FAILURE);
 	}
 
+	if (headersize % 512) {
+		fprintf(stderr, "Error: header size must be a multiple of 512 bytes\n");
+		exit(EXIT_FAILURE);
+	}
+
+	if (imagesize % 512) {
+		fprintf(stderr, "Error: image size must be a multiple of 512 bytes\n");
+		exit(EXIT_FAILURE);
+	}
+
 	// arbitrary 1 GB limitation
 	if (headersize > 0x40000000u) {
 		fprintf(stderr, "Error: header size too large\n");