From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 25 Jun 2025 10:58:26 +0000 (+0000)
Subject: xfer: Don't attempt to parse a JSON response when there is no data
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=22969a14d002d0c6707a98a239a64230eb0caa67;p=pakfire.git

xfer: Don't attempt to parse a JSON response when there is no data

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/pakfire/xfer.c b/src/pakfire/xfer.c
index 9cbc8489..8a398b0a 100644
--- a/src/pakfire/xfer.c
+++ b/src/pakfire/xfer.c
@@ -1015,17 +1015,19 @@ static int pakfire_xfer_call_response_callback(struct pakfire_xfer* self, pakfir
 	int r;
 
 	// Parse the API response
-	switch (code) {
-		case PAKFIRE_XFER_OK:
-			r = pakfire_json_parse(&response, &error, self->output.buffer, self->output.length);
-			if (r < 0) {
-				ERROR(self->ctx, "Failed to parse JSON response: %s\n", error);
-				goto ERROR;
-			}
-			break;
+	if (self->output.length) {
+		switch (code) {
+			case PAKFIRE_XFER_OK:
+				r = pakfire_json_parse(&response, &error, self->output.buffer, self->output.length);
+				if (r < 0) {
+					ERROR(self->ctx, "Failed to parse JSON response: %s\n", error);
+					goto ERROR;
+				}
+				break;
 
-		default:
-			break;
+			default:
+				break;
+		}
 	}
 
 	// Run the callback