Fixed sign-compare warnings

diff --git a/winpr/libwinpr/path/path.c b/winpr/libwinpr/path/path.c
index 1cd9518..6c8477a 100644 (file)
--- a/winpr/libwinpr/path/path.c
+++ b/winpr/libwinpr/path/path.c
@@ -720,10 +720,12 @@ HRESULT PathCchStripPrefixW(PWSTR pszPath, size_t cchPath)
 
        if (hasPrefix)
        {
+               int rc;
                if (cchPath < 6)
                        return S_FALSE;
 
-               if (cchPath < (lstrlenW(&pszPath[4]) + 1))
+               rc = (lstrlenW(&pszPath[4]) + 1);
+               if ((rc < 0) || ((INT64)cchPath < rc))
                        return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 
                if (IsCharAlphaW(pszPath[4]) && (pszPath[5] == L':')) /* like C: */