config: Split off config_dump_full_write_filter()

diff --git a/src/config/config-dump-full.c b/src/config/config-dump-full.c
index 9f6dcd9337281a98aad0fdd41a4ee0e9a719bc06..702e40caf7675d467465e8c4ea3a70985764814c 100644 (file)
--- a/src/config/config-dump-full.c
+++ b/src/config/config-dump-full.c
@@ -251,6 +251,19 @@ config_dump_full_stdout_callback(const struct config_export_setting *set,
        } T_END;
 }
 
+static void config_dump_full_write_filter(struct dump_context *ctx)
+{
+       if (ctx->filter_written)
+               return;
+       ctx->filter_written = TRUE;
+
+       uint64_t blob_size = UINT64_MAX;
+       o_stream_nsend(ctx->output, &blob_size, sizeof(blob_size));
+       /* Start by assuming there is no error. If there is, the error
+          handling code path truncates the file and writes the error. */
+       o_stream_nsend(ctx->output, "", 1);
+}
+
 static void config_dump_full_callback(const struct config_export_setting *set,
                                      struct dump_context *ctx)
 {
@@ -266,15 +279,7 @@ static void config_dump_full_callback(const struct config_export_setting *set,
                return;
        }
 
-       if (!ctx->filter_written) {
-               uint64_t blob_size = UINT64_MAX;
-               o_stream_nsend(ctx->output, &blob_size, sizeof(blob_size));
-               /* Start by assuming there is no error. If there is, the error
-                  handling code path truncates the file and writes the
-                  error. */
-               o_stream_nsend(ctx->output, "", 1);
-               ctx->filter_written = TRUE;
-       }
+       config_dump_full_write_filter(ctx);
 
        uint32_t key_be32 = cpu32_to_be(set->key_define_idx);
        if (ctx->delayed_output != NULL &&