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added GetDLLVersion

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5116 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
kichik 2007-04-24 14:06:50 +00:00
parent 5729a94efd
commit b8888a69bd
2 changed files with 108 additions and 0 deletions
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106
Source/util.cpp
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@ -729,3 +729,109 @@ int sane_system(const char *command) {
#endif
}
static bool GetDLLVersionUsingRE(const string& filepath, DWORD& high, DWORD & low)
{
bool found = false;
FILE *fdll = FOPEN(filepath.c_str(), "rb");
if (!fdll)
return 0;
fseek(fdll, 0, SEEK_END);
unsigned int len = ftell(fdll);
fseek(fdll, 0, SEEK_SET);
LPBYTE dll = (LPBYTE) malloc(len);
if (!dll)
{
fclose(fdll);
return 0;
}
if (fread(dll, 1, len, fdll) != len)
{
fclose(fdll);
free(dll);
return 0;
}
try
{
CResourceEditor *dllre = new CResourceEditor(dll, len);
LPBYTE ver = dllre->GetResourceA(VS_FILE_INFO, MAKEINTRESOURCE(VS_VERSION_INFO), 0);
int versize = dllre->GetResourceSizeA(VS_FILE_INFO, MAKEINTRESOURCE(VS_VERSION_INFO), 0);
if (ver)
{
if ((size_t) versize > sizeof(WORD) * 3)
{
// get VS_FIXEDFILEINFO from VS_VERSIONINFO
WCHAR *szKey = (WCHAR *)(ver + sizeof(WORD) * 3);
int len = (winchar_strlen(szKey) + 1) * sizeof(WCHAR) + sizeof(WORD) * 3;
len = (len + 3) & ~3; // align on DWORD boundry
VS_FIXEDFILEINFO *verinfo = (VS_FIXEDFILEINFO *)(ver + len);
if (versize > len && verinfo->dwSignature == VS_FFI_SIGNATURE)
{
low = verinfo->dwFileVersionLS;
high = verinfo->dwFileVersionMS;
found = true;
}
}
dllre->FreeResource(ver);
}
delete dllre;
}
catch (exception&)
{
}
return found;
}
static bool GetDLLVersionUsingAPI(const string& filepath, DWORD& high, DWORD& low)
{
bool found = false;
#ifdef _WIN32
char path[1024];
char *name;
path[0] = 0;
GetFullPathName(filepath.c_str(), 1024, path, &name);
DWORD d;
DWORD verSize = GetFileVersionInfoSize(path, &d);
if (verSize)
{
void *buf = (void *) GlobalAlloc(GPTR, verSize);
if (buf)
{
UINT uLen;
VS_FIXEDFILEINFO *pvsf;
if (GetFileVersionInfo(path, 0, verSize, buf) && VerQueryValue(buf, "\\", (void**) &pvsf, &uLen))
{
low = pvsf->dwFileVersionLS;
high = pvsf->dwFileVersionMS;
found = true;
}
GlobalFree(buf);
}
}
#endif
return found;
}
bool GetDLLVersion(const string& filepath, DWORD& high, DWORD& low)
{
if (GetDLLVersionUsingAPI(filepath, high, low))
return true;
if (GetDLLVersionUsingRE(filepath, high, low))
return true;
return false;
}