crypt32: GetUserName sets last error to ERROR_INSUFFICIENT_BUFFER if the buffer is too small.

0875abcc · Hans Leidekker · Alexandre Julliard · c0b7345e · 0875abcc
Commit 0875abcc authored Jun 01, 2011 by Hans Leidekker Committed by Alexandre Julliard Jun 01, 2011
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protectdata.c dlls/crypt32/protectdata.c +2 -2

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--- a/dlls/crypt32/protectdata.c
+++ b/dlls/crypt32/protectdata.c
@@ -722,8 +722,8 @@ BOOL load_encryption_key(HCRYPTPROV hProv, DWORD key_len, const DATA_BLOB *salt,
    /* This should be the "logon credentials" instead of username */
    dwError=GetLastError();
    dwUsernameLen = 0;
-    if (!GetUserNameA(NULL,&dwUsernameLen) &&
-        GetLastError()==ERROR_MORE_DATA && dwUsernameLen &&
+    if (!GetUserNameA(NULL, &dwUsernameLen) &&
+        GetLastError() == ERROR_INSUFFICIENT_BUFFER && dwUsernameLen &&
        (szUsername = CryptMemAlloc(dwUsernameLen)))
    {
        szUsername[0]='\0';