From 18ae77e35da46f97f3b06562a4a892ebdeeb9750 Mon Sep 17 00:00:00 2001
From: Elias Fleckenstein <eliasfleckenstein@web.de>
Date: Sun, 13 Feb 2022 21:44:40 +0100
Subject: [PATCH] Allow 0-byte reads

---
 typegen.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/typegen.lua b/typegen.lua
index 67afab0..d80e213 100755
--- a/typegen.lua
+++ b/typegen.lua
@@ -83,6 +83,9 @@ emit_c([[
 
 ]] .. local_prefix ..  [[bool raw_read(Blob *buffer, void *data, size_t len)
 {
+	if (len == 0)
+		return true;
+
 	if (buffer->siz < len) {
 		fprintf(stderr, "warning: buffer exhausted (requested bytes: %lu, remaining bytes: %lu)\n", len, buffer->siz);
 		return false;
-- 
2.44.0