From ee39338225ed30e47bf066f29d239f0aa09efa8c Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Thu, 19 May 2016 02:25:09 +0300
Subject: libservice: fix compiler warnings
---
utils/libservice/src/device.cpp | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
(limited to 'utils/libservice/src')
diff --git a/utils/libservice/src/device.cpp b/utils/libservice/src/device.cpp
index 4ae25a5..825c2bc 100644
--- a/utils/libservice/src/device.cpp
+++ b/utils/libservice/src/device.cpp
@@ -12,6 +12,8 @@
#include <cstddef>
+#include <limits>
+#include <stdexcept>
#include <string>
#include <system_error>
#include <utility>
@@ -54,11 +56,14 @@ namespace libservice
{
DWORD nbreq;
+ if (in_buf_size > std::numeric_limits<DWORD>::max())
+ throw std::range_error("input buffer size is too large");
+
std::size_t nbwritten = DeviceIoControl(
handle,
code,
const_cast<void*>(in_buf),
- in_buf_size,
+ static_cast<DWORD>(in_buf_size),
NULL,
0,
&nbreq,
@@ -91,13 +96,18 @@ namespace libservice
{
DWORD nbreq;
+ if (in_buf_size > std::numeric_limits<DWORD>::max())
+ throw std::range_error("input buffer size is too large");
+ if (out_buf_size > std::numeric_limits<DWORD>::max())
+ throw std::range_error("output buffer size is too large");
+
std::size_t nbwritten = DeviceIoControl(
handle,
code,
const_cast<void*>(in_buf),
- in_buf_size,
+ static_cast<DWORD>(in_buf_size),
out_buf,
- out_buf_size,
+ static_cast<DWORD>(out_buf_size),
&nbreq,
NULL);
--
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