src: add fflush() to SnapshotData::ToFile()

addaleax · MylesBorins · commit 31fb2e22a0b0 · 2023-02-18T16:06:08.000-05:00
Refs: #46491 (comment) PR-URL: #46531 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
@@ -866,6 +866,7 @@ void SnapshotData::ToFile(FILE* out) const {
   const std::vector<char> sink = ToBlob();
   size_t num_written = fwrite(sink.data(), sink.size(), 1, out);
   CHECK_EQ(num_written, 1);
+  CHECK_EQ(fflush(out), 0);
 }
 
 const SnapshotData* SnapshotData::FromEmbedderWrapper(

Original file line number	Diff line number	Diff line change
`@@ -866,6 +866,7 @@ void SnapshotData::ToFile(FILE* out) const {`
`866`	`866`	`const std::vector<char> sink = ToBlob();`
`867`	`867`	`size_t num_written = fwrite(sink.data(), sink.size(), 1, out);`
`868`	`868`	`CHECK_EQ(num_written, 1);`
	`869`	`+ CHECK_EQ(fflush(out), 0);`
`869`	`870`	`}`
`870`	`871`
`871`	`872`	`const SnapshotData* SnapshotData::FromEmbedderWrapper(`