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Re: Windows version info
From: Graham Bloice <graham.bloice () trihedral com>
Date: Mon, 9 Dec 2013 14:59:58 +0000

On 8 December 2013 22:32, Pascal Quantin <pascal.quantin () gmail com> wrote:

Hi Graham,

Le 8 déc. 2013 à 22:56, Graham Bloice <graham.bloice () trihedral com> a
écrit :

Compiling with VS2013, the GetVersionEx function is now reported as

E:\Wireshark\trunk\version_info.c(368): warning C4996: 'GetVersionExW':
was declared deprecated [E:\Wireshark\2013build\wireshark.vcxproj]
E:\Wireshark\trunk\version_info.c(853): warning C4996: 'GetVersionExW':
was declared deprecated [E:\Wireshark\2013build\wireshark.vcxproj]
E:\Wireshark\trunk\ui\win32\file_dlg_win32.c(451): warning C4996: 'Get
VersionExW': was declared deprecated

Normally with nmake builds we should have a flag removing this warning
(see bug 9375 and revision 53059). Are you using cmake?

This was with CMake, however hiding the warning isn't really fixing the

Should we switch over to using the Version Helpers API and\or
VerifyVersionInfo (and remove a lot of cruft from version_info.c)?  This
has already been partially implemented in ui\win32\file_dlg.c as part of

Version Helpers API:

This is not what we need for version_info.c: this new API allows you to
check a minimum OS requirement, not to get current OS version. See my
comments in bugs 9297, 9298 and 9375 for more details.

In version_info,  get_os_version_info() just sets the stirng as required,
using the Version Helpers we could step back from 8.1 down to Vista (or XP
if we must) and stop when a version is found.  The IsWindowsServer() call
allows us to differentiate between the two variants.

In get_os_major_version() the two callers I can see are checking for Vista
or later, so that could be replaced with IsWindowsVistaOrGreater(), or more
generically with IsWindowsVersionOrGreater(), changing the function to
is_os_version_or_greater(versionRequired) or similar.

The call in win32_save_as_statstree() in file_dlg_win32.c could again be
replaced with a call to is_os_version_or_greater(), or could be removed
entirely as it's only for NT 4.0/Win95 compatibility of the OPENFILENAME
structure ofn.

As I said, lots of cruft can be removed.

I'll maybe look at this at the weekend.
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