From b94ba71cf7d1d3ff5f8eb85a649ab3b752b5d386 Mon Sep 17 00:00:00 2001
From: Alexey Edelev <alexey.edelev@qt.io>
Date: Sat, 12 Aug 2023 15:24:54 +0200
Subject: [PATCH] Do not return error if the .proto file contain no type
 declarations

The missing message or enum declarations shouldn't lead to an error
when running protobuf generator. This only means that the .proto file
needs no processing.

Pick-to: 6.5 6.6
Change-Id: I80c81ebd04024c1e08883b8a0b9cf572b0c3aa1d
Reviewed-by: Tatiana Borisova <tatiana.borisova@qt.io>
---
 src/tools/qtprotobufgen/qprotobufgenerator.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/tools/qtprotobufgen/qprotobufgenerator.cpp b/src/tools/qtprotobufgen/qprotobufgenerator.cpp
index 4327afe7..d03ba473 100644
--- a/src/tools/qtprotobufgen/qprotobufgenerator.cpp
+++ b/src/tools/qtprotobufgen/qprotobufgenerator.cpp
@@ -386,9 +386,9 @@ bool QProtobufGenerator::GenerateMessages(const FileDescriptor *file,
     assert(file != nullptr);
     assert(generatorContext != nullptr);
 
-    if (file->message_type_count() <= 0 && file->enum_type_count() <= 0) {
-        return false;
-    }
+    if (file->message_type_count() <= 0 && file->enum_type_count() <= 0)
+        return true;
+
     GenerateHeader(file, generatorContext);
     GenerateSources(file, generatorContext);
     return true;