From: Karl Fleischmann <karl.fleischmann@open-xchange.com>
Date: Wed, 21 May 2025 09:42:16 +0000 (+0200)
Subject: lib-lua/dlua-iostream: dlua_i_read_common() - Optimize error handling
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4bd9f133b7df7a9da61aa88470071876411a42a1;p=thirdparty%2Fdovecot%2Fcore.git

lib-lua/dlua-iostream: dlua_i_read_common() - Optimize error handling

This also makes the error handling more explicit.
---

diff --git a/src/lib-lua/dlua-iostream.c b/src/lib-lua/dlua-iostream.c
index af1e0a6287..2b1bb2caa1 100644
--- a/src/lib-lua/dlua-iostream.c
+++ b/src/lib-lua/dlua-iostream.c
@@ -189,9 +189,12 @@ static int dlua_i_read_common(lua_State *L, struct dlua_iostream *stream, int fi
 	int nargs = lua_gettop(L) - 1;
 	bool success;
 	int n;
-	(void)i_stream_read(stream->is);
 
-	if (nargs == 0) {
+	if (i_stream_read(stream->is) < 0 &&
+	    stream->is->stream_errno != 0) {
+		/* Skip to error handling. */
+		success = FALSE;
+	} else if (nargs == 0) {
 		success = dlua_read_line(L, stream, TRUE);
 		n = first + 1;
 	} else {