From f753005e7e79553b9365077a59cb6aa81a403f30 Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Sat, 29 Oct 2022 10:27:51 -0400
Subject: [PATCH] hiti:  set HITI_NODATA in the environment to disable data
 table sends o

---
 backend_hiti.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/backend_hiti.c b/backend_hiti.c
index 429c2c4..d6097ce 100644
--- a/backend_hiti.c
+++ b/backend_hiti.c
@@ -455,6 +455,7 @@ struct hiti_ctx {
 	struct dyesub_connection *conn;
 
 	int jobid;
+	int nodata;
 
 	char serno[32];
 
@@ -1005,6 +1006,9 @@ static void *hiti_init(void)
 	}
 	memset(ctx, 0, sizeof(struct hiti_ctx));
 
+	if (getenv("HITI_NODATA")) {
+		ctx->nodata = 1;
+	}
 	return ctx;
 }
 
@@ -1544,6 +1548,9 @@ static int hiti_send_heat_data(struct hiti_ctx *ctx, uint8_t mode, uint8_t matte
 
 	int ret, len;
 
+	if (ctx->nodata)
+		return CUPS_BACKEND_OK;
+
 	fname = hiti_get_heat_file(ctx, mode);
 
 	if (!fname) {