clang-cl: Enable yet another warning with the very long name

ref:878ef48a386627a1eb0325b0ccff820b1d627900

3 files changed, 13 insertions, 4 deletions

diff --git a/util/CMakeLists.txt b/util/CMakeLists.txt
index e61a0c6777..7dfb4b6db8 100644
--- a/util/CMakeLists.txt
+++ b/util/CMakeLists.txt
@@ -1,4 +1,7 @@
 add_library(yutil)
+target_compile_options(yutil PRIVATE
+  -Wnarrowing
+)
 target_link_libraries(yutil PUBLIC
   contrib-libs-cxxsupp
   util-charset
diff --git a/util/network/interface.cpp b/util/network/interface.cpp
index 256776c6d3..03c3ccd98d 100644
--- a/util/network/interface.cpp
+++ b/util/network/interface.cpp
@@ -1,5 +1,7 @@
 #include "interface.h"
 
+#include <util/string/ascii.h>
+
 #if defined(_unix_)
     #include <ifaddrs.h>
 #endif
@@ -44,10 +46,10 @@ namespace NAddr {
                         TNetworkInterface networkInterface;
 
                         // Not very efficient but straightforward
-                        for (size_t i = 0; ptr->FriendlyName[i] != 0; i++) {
-                            CHAR w = ptr->FriendlyName[i];
-                            char c = (w < 0x80) ? char(w) : '?';
-                            networkInterface.Name.append(1, c);
+                        wchar_t* it = ptr->FriendlyName;
+                        while (*it != '\0') {
+                            networkInterface.Name += IsAscii(*it) ? static_cast<char>(*it) : '?';
+                            ++it;
                         }
 
                         networkInterface.Address = new TOpaqueAddr(a);
diff --git a/util/ya.make b/util/ya.make
index 6ebe7e40cf..ab34124774 100644
--- a/util/ya.make
+++ b/util/ya.make
@@ -238,6 +238,10 @@ JOIN_SRCS(
     string/vector.cpp
 )
 
+IF (GCC OR CLANG OR CLANG_CL)
+    CFLAGS(-Wnarrowing)
+ENDIF()
+
 IF (ARCH_ARM)
     CFLAGS(-D_FORTIFY_SOURCE=0)
 ENDIF()