ntdll: Support a full path name in the loadFrom dll redirection entry.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50978Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Support a full path name in the loadFrom dll redirection entry.
1cf2ae19 · Alexandre Julliard · 788fd4ee · 1cf2ae19
Commit 1cf2ae19 authored Apr 21, 2021 by Alexandre Julliard
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loader.c dlls/ntdll/loader.c +2 -1

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--- a/dlls/ntdll/loader.c
+++ b/dlls/ntdll/loader.c
@@ -2451,7 +2451,8 @@ static NTSTATUS build_dlldata_path( LPCWSTR libname, ACTCTX_SECTION_KEYED_DATA *
        memcpy( p, base + dlldata->paths[i].offset, dlldata->paths[i].len );
        p += dlldata->paths[i].len / sizeof(WCHAR);
    }
-    wcscpy( p, libname );
+    if (p == buffer || p[-1] == '\\') wcscpy( p, libname );
+    else *p = 0;

    if (dlldata->flags & DLL_REDIRECT_PATH_EXPAND)
    {