setupapi: Handle NULL source filename in build_filepathsW.

Source filename is NULL for files to be deleted. Signed-off-by: Hans Leidekker <hans@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

setupapi: Handle NULL source filename in build_filepathsW.
fac1e40a · Hans Leidekker · Alexandre Julliard · 183a8cf3 · fac1e40a
Commit fac1e40a authored Dec 07, 2020 by Hans Leidekker Committed by Alexandre Julliard Dec 07, 2020
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queue.c dlls/setupapi/queue.c +2 -2

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--- a/dlls/setupapi/queue.c
+++ b/dlls/setupapi/queue.c
@@ -152,7 +152,7 @@ static BOOL build_filepathsW( const struct file_op *op, FILEPATHS_W *paths )
    unsigned int src_len = 1, dst_len = 1;
    WCHAR *source = (PWSTR)paths->Source, *target = (PWSTR)paths->Target;
-    if (op->src_file[0] != '@')
+    if (!op->src_file || op->src_file[0] != '@')
    {
        if (op->media) src_len += lstrlenW(op->media->root) + 1;
        if (op->src_path) src_len += lstrlenW(op->src_path) + 1;
@@ -174,7 +174,7 @@ static BOOL build_filepathsW( const struct file_op *op, FILEPATHS_W *paths )
        paths->Target = target = HeapAlloc( GetProcessHeap(), 0, dst_len );
    }
    if (!source || !target) return FALSE;
-    if (op->src_file[0] != '@')
+    if (!op->src_file || op->src_file[0] != '@')
        concat_W( source, op->media ? op->media->root : NULL, op->src_path, op->src_file );
    else
        lstrcpyW( source, op->src_file );