/* compares the version of a file read from the filesystem and
* the version specified in the File table
*/
static int msi_compare_file_version(MSIFILE *file)
{
WCHAR version[MAX_PATH];
DWORD size;
UINT r;
size = MAX_PATH;
version[0] = '\0';
r = MsiGetFileVersionW(file->TargetPath, version, &size, NULL, NULL);
if (r != ERROR_SUCCESS)
return 0;
return lstrcmpW(version, file->Version);
}
static void ShowUsage(int ExitCode)
{
WCHAR msiexec_version[40];
WCHAR filename[MAX_PATH];
LPWSTR msi_res;
LPWSTR msiexec_help;
HMODULE hmsi = GetModuleHandleA("msi.dll");
DWORD len;
DWORD res;
/* MsiGetFileVersion need the full path */
*filename = 0;
res = GetModuleFileNameW(hmsi, filename, sizeof(filename) / sizeof(filename[0]));
if (!res)
WINE_ERR("GetModuleFileName failed: %d\n", GetLastError());
len = sizeof(msiexec_version) / sizeof(msiexec_version[0]);
*msiexec_version = 0;
res = MsiGetFileVersionW(filename, msiexec_version, &len, NULL, NULL);
if (res)
WINE_ERR("MsiGetFileVersion failed with %d\n", res);
/* Return the length of the resource.
No typo: The LPWSTR parameter must be a LPWSTR * for this mode */
len = LoadStringW(hmsi, 10, (LPWSTR) &msi_res, 0);
msi_res = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
msiexec_help = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) + sizeof(msiexec_version));
if (msi_res && msiexec_help) {
*msi_res = 0;
LoadStringW(hmsi, 10, msi_res, len + 1);
sprintfW(msiexec_help, msi_res, msiexec_version);
MsiMessageBoxW(0, msiexec_help, NULL, 0, GetUserDefaultLangID(), 0);
}
HeapFree(GetProcessHeap(), 0, msi_res);
HeapFree(GetProcessHeap(), 0, msiexec_help);
ExitProcess(ExitCode);
}
