diff options
author | sfisher <sfisher@f5534014-38df-0310-8fa8-9805f1628bb7> | 2010-11-30 23:42:47 +0000 |
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committer | sfisher <sfisher@f5534014-38df-0310-8fa8-9805f1628bb7> | 2010-11-30 23:42:47 +0000 |
commit | a595985821282f3beb8ce67e4e8da6f93b3a218b (patch) | |
tree | 7beee8bc8eb229d9657fda203e79b87077ed1342 /version_info.c | |
parent | 59dd6b89e250b568f7a25e06bd1aa632ac8507c0 (diff) |
Fix bug #5453: Use GetSystemNativeInfo() function if found on the machine running Wireshark instead of GetSystemInfo(), so that we obtain the machine's actual architecture even when running under WOW64 x86 emulation.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@35084 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'version_info.c')
-rw-r--r-- | version_info.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/version_info.c b/version_info.c index 32f99fca4e..fe27476b83 100644 --- a/version_info.c +++ b/version_info.c @@ -190,6 +190,8 @@ get_runtime_version_info(GString *str, void (*additional_info)(GString *)) #if defined(_WIN32) OSVERSIONINFOEX info; SYSTEM_INFO system_info; + typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO); + PGNSI pGNSI; #elif defined(HAVE_SYS_UTSNAME_H) struct utsname name; #endif @@ -229,7 +231,14 @@ get_runtime_version_info(GString *str, void (*additional_info)(GString *)) } memset(&system_info, '\0', sizeof system_info); - GetSystemInfo(&system_info); /* only for W2K or greater .... (which is what we support) */ + + /* Detect if the system we're *running on* supports the GetNativeSystemInfo() function (Windows XP/Server 2003 and higher), + * so we get the correct CPU architecture when running under "WOW64" x86 emulation on a 64-bit system. */ + pGNSI = (PGNSI) GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetNativeSystemInfo"); + if(NULL != pGNSI) + pGNSI(&system_info); /* Call GetNativeSystemInfo() if found */ + else + GetSystemInfo(&system_info); /* Fallback to GetSystemInfo() - only for W2K or greater .... (which is what we support) */ switch (info.dwPlatformId) { |