From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 10 Jul 2026 10:23:29 +0000 (+0000)
Subject: buffer: Return the amount of bytes written
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e5c22d99e9bfeb08569069af1670f735cf870be;p=telemetry.git

buffer: Return the amount of bytes written

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

diff --git a/src/daemon/buffer.c b/src/daemon/buffer.c
index c186ed9..218bde4 100644
--- a/src/daemon/buffer.c
+++ b/src/daemon/buffer.c
@@ -194,6 +194,10 @@ int td_buffer_write(td_buffer* self, const char* chunk, size_t length) {
 	if (td_buffer_has_flag(self, TELEMETRY_BUFFER_LOCKED))
 		return -ENOTSUP;
 
+	// Don't write empty chunks
+	if (!length)
+		return length;
+
 	// Increase the size of the buffer
 	data = realloc(self->data, self->length + length);
 	if (!data) {
@@ -211,8 +215,8 @@ int td_buffer_write(td_buffer* self, const char* chunk, size_t length) {
 	// Increase the size of the buffer
 	self->length += length;
 
-	// Done
-	return 0;
+	// Return the length
+	return length;
 
 ERROR:
 	if (data)