use insert in vector_write_block (#837)

salix5 · web-flow · commit 153bba9e1fcb · 2026-04-03T09:19:40.000+08:00
diff --git a/buffer.h b/buffer.h
@@ -28,9 +28,8 @@ inline void buffer_write(unsigned char*& p, const T& value) {
 }
 
 inline void vector_write_block(std::vector<unsigned char>& buffer, const void* src, size_t size) {
-	const auto len = buffer.size();
-	buffer.resize(len + size);
-	std::memcpy(buffer.data() + len, src, size);
+	auto* bytes = static_cast<const unsigned char*>(src);
+	buffer.insert(buffer.end(), bytes, bytes + size);
 }
 template<typename T>
 inline void vector_write(std::vector<unsigned char>& buffer, const T& value) {

Original file line number	Diff line number	Diff line change
`@@ -28,9 +28,8 @@ inline void buffer_write(unsigned char*& p, const T& value) {`
`28`	`28`	`}`
`29`	`29`
`30`	`30`	`inline void vector_write_block(std::vector<unsigned char>& buffer, const void* src, size_t size) {`
`31`		`- const auto len = buffer.size();`
`32`		`- buffer.resize(len + size);`
`33`		`- std::memcpy(buffer.data() + len, src, size);`
	`31`	`+ auto* bytes = static_cast<const unsigned char*>(src);`
	`32`	`+ buffer.insert(buffer.end(), bytes, bytes + size);`
`34`	`33`	`}`
`35`	`34`	`template<typename T>`
`36`	`35`	`inline void vector_write(std::vector<unsigned char>& buffer, const T& value) {`