diff options
| -rw-r--r-- | src/node_buffer.cc | 12 | ||||
| -rw-r--r-- | src/node_buffer.h | 6 | ||||
| -rw-r--r-- | src/node_internals.h | 2 |
3 files changed, 19 insertions, 1 deletions
diff --git a/src/node_buffer.cc b/src/node_buffer.cc index 3cd047c0e7..d87d38334a 100644 --- a/src/node_buffer.cc +++ b/src/node_buffer.cc @@ -229,6 +229,18 @@ MaybeLocal<Uint8Array> New(Environment* env, return ui; } +MaybeLocal<Uint8Array> New(Isolate* isolate, + Local<ArrayBuffer> ab, + size_t byte_offset, + size_t length) { + Environment* env = Environment::GetCurrent(isolate); + if (env == nullptr) { + THROW_ERR_BUFFER_CONTEXT_NOT_AVAILABLE(isolate); + return MaybeLocal<Uint8Array>(); + } + return New(env, ab, byte_offset, length); +} + MaybeLocal<Object> New(Isolate* isolate, Local<String> string, diff --git a/src/node_buffer.h b/src/node_buffer.h index 122afc3770..11010017ce 100644 --- a/src/node_buffer.h +++ b/src/node_buffer.h @@ -65,6 +65,12 @@ NODE_EXTERN v8::MaybeLocal<v8::Object> New(v8::Isolate* isolate, char* data, size_t len); +// Creates a Buffer instance over an existing ArrayBuffer. +NODE_EXTERN v8::MaybeLocal<v8::Uint8Array> New(v8::Isolate* isolate, + v8::Local<v8::ArrayBuffer> ab, + size_t byte_offset, + size_t length); + // This is verbose to be explicit with inline commenting static inline bool IsWithinBounds(size_t off, size_t len, size_t max) { // Asking to seek too far into the buffer diff --git a/src/node_internals.h b/src/node_internals.h index 10ef3bf5ed..2bd0ff78da 100644 --- a/src/node_internals.h +++ b/src/node_internals.h @@ -157,7 +157,7 @@ v8::MaybeLocal<v8::Object> New(Environment* env, char* data, size_t length, bool uses_malloc); -// Creates a Buffer instance over an existing Uint8Array. +// Creates a Buffer instance over an existing ArrayBuffer. v8::MaybeLocal<v8::Uint8Array> New(Environment* env, v8::Local<v8::ArrayBuffer> ab, size_t byte_offset, |