wininet: Check return value of InternetCrackUrl when checking referrer host.

fe475d9e · Marcus Meissner · Alexandre Julliard · a39ac0a7 · fe475d9e
Commit fe475d9e authored Jan 01, 2008 by Marcus Meissner Committed by Alexandre Julliard Jan 03, 2008
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http.c dlls/wininet/http.c +3 -2

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--- a/dlls/wininet/http.c
+++ b/dlls/wininet/http.c
@@ -1441,13 +1441,14 @@ HINTERNET WINAPI HTTP_HttpOpenRequestW(LPWININETHTTPSESSIONW lpwhs,
        WCHAR buf[MAXHOSTNAME];
        URL_COMPONENTSW UrlComponents;

+        buf[0] = '\0';
        memset( &UrlComponents, 0, sizeof UrlComponents );
        UrlComponents.dwStructSize = sizeof UrlComponents;
        UrlComponents.lpszHostName = buf;
        UrlComponents.dwHostNameLength = MAXHOSTNAME;

-        InternetCrackUrlW(lpszReferrer, 0, 0, &UrlComponents);
-        if (strlenW(UrlComponents.lpszHostName))
+        if (InternetCrackUrlW(lpszReferrer, 0, 0, &UrlComponents) &&
+            strlenW(UrlComponents.lpszHostName))
            HTTP_ProcessHeader(lpwhr, szHost, UrlComponents.lpszHostName, HTTP_ADDREQ_FLAG_ADD | HTTP_ADDREQ_FLAG_REPLACE | HTTP_ADDHDR_FLAG_REQ);
    }
    else