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Name	Size	Permission	Date
cppgc	[ DIR ]	drwxr-xr-x	2026-09-04 11:57
libplatform	[ DIR ]	drwxr-xr-x	2026-09-04 11:57
uv	[ DIR ]	drwxr-xr-x	2026-09-04 11:57
common.gypi	28.72 KB	-rw-r--r--	2026-08-10 10:34
config.gypi	20.71 KB	-rw-r--r--	2026-08-10 10:35
js_native_api.h	32.38 KB	-rw-r--r--	2026-08-10 10:35
js_native_api_types.h	8.14 KB	-rw-r--r--	2026-08-10 10:35
node.h	71.06 KB	-rw-r--r--	2026-08-10 10:35
node_api.h	10.13 KB	-rw-r--r--	2026-08-10 10:35
node_api_types.h	1.88 KB	-rw-r--r--	2026-08-10 10:35
node_buffer.h	3.6 KB	-rw-r--r--	2026-08-10 10:35
node_object_wrap.h	4.2 KB	-rw-r--r--	2026-08-10 10:35
node_version.h	4.14 KB	-rw-r--r--	2026-08-10 10:35
uv.h	71.33 KB	-rw-r--r--	2026-08-10 10:35
v8-array-buffer.h	22.63 KB	-rw-r--r--	2026-08-10 10:35
v8-callbacks.h	19.32 KB	-rw-r--r--	2026-08-10 10:35
v8-container.h	5.82 KB	-rw-r--r--	2026-08-10 10:35
v8-context.h	21.81 KB	-rw-r--r--	2026-08-10 10:35
v8-cppgc.h	5.83 KB	-rw-r--r--	2026-08-10 10:35
v8-data.h	1.88 KB	-rw-r--r--	2026-08-10 10:35
v8-date.h	1.41 KB	-rw-r--r--	2026-08-10 10:35
v8-debug.h	6.6 KB	-rw-r--r--	2026-08-10 10:35
v8-embedder-heap.h	1.62 KB	-rw-r--r--	2026-08-10 10:35
v8-embedder-state-scope.h	1.46 KB	-rw-r--r--	2026-08-10 10:35
v8-exception.h	9.6 KB	-rw-r--r--	2026-08-10 10:35
v8-extension.h	1.7 KB	-rw-r--r--	2026-08-10 10:35
v8-external.h	2.31 KB	-rw-r--r--	2026-08-10 10:35
v8-forward.h	1.65 KB	-rw-r--r--	2026-08-10 10:35
v8-function-callback.h	22.39 KB	-rw-r--r--	2026-08-10 10:35
v8-function.h	4.75 KB	-rw-r--r--	2026-08-10 10:35
v8-handle-base.h	4.81 KB	-rw-r--r--	2026-08-10 10:35
v8-initialization.h	12.38 KB	-rw-r--r--	2026-08-10 10:35
v8-internal.h	73.55 KB	-rw-r--r--	2026-08-10 10:35
v8-isolate.h	68.41 KB	-rw-r--r--	2026-08-10 10:35
v8-json.h	1.66 KB	-rw-r--r--	2026-08-10 10:35
v8-local-handle.h	27.8 KB	-rw-r--r--	2026-08-10 10:35
v8-locker.h	3.86 KB	-rw-r--r--	2026-08-10 10:35
v8-maybe.h	5.26 KB	-rw-r--r--	2026-08-10 10:35
v8-memory-span.h	8.66 KB	-rw-r--r--	2026-08-10 10:35
v8-message.h	6.43 KB	-rw-r--r--	2026-08-10 10:35
v8-microtask-queue.h	4.79 KB	-rw-r--r--	2026-08-10 10:35
v8-microtask.h	861 B	-rw-r--r--	2026-08-10 10:35
v8-object.h	43.08 KB	-rw-r--r--	2026-08-10 10:35
v8-persistent-handle.h	17.07 KB	-rw-r--r--	2026-08-10 10:35
v8-platform.h	55.4 KB	-rw-r--r--	2026-08-10 10:35
v8-primitive-object.h	2.53 KB	-rw-r--r--	2026-08-10 10:35
v8-primitive.h	35.3 KB	-rw-r--r--	2026-08-10 10:35
v8-profiler.h	46 KB	-rw-r--r--	2026-08-10 10:35
v8-promise.h	5.72 KB	-rw-r--r--	2026-08-10 10:35
v8-proxy.h	1.22 KB	-rw-r--r--	2026-08-10 10:35
v8-regexp.h	3.1 KB	-rw-r--r--	2026-08-10 10:35
v8-sandbox.h	7.23 KB	-rw-r--r--	2026-08-10 10:35
v8-script.h	33.74 KB	-rw-r--r--	2026-08-10 10:35
v8-snapshot.h	11.6 KB	-rw-r--r--	2026-08-10 10:35
v8-source-location.h	2.31 KB	-rw-r--r--	2026-08-10 10:35
v8-statistics.h	7.73 KB	-rw-r--r--	2026-08-10 10:35
v8-template.h	39.18 KB	-rw-r--r--	2026-08-10 10:35
v8-traced-handle.h	12.01 KB	-rw-r--r--	2026-08-10 10:35
v8-typed-array.h	11.16 KB	-rw-r--r--	2026-08-10 10:35
v8-unwinder.h	5.09 KB	-rw-r--r--	2026-08-10 10:35
v8-value-serializer.h	10.56 KB	-rw-r--r--	2026-08-10 10:35
v8-value.h	17.22 KB	-rw-r--r--	2026-08-10 10:35
v8-version.h	773 B	-rw-r--r--	2026-08-10 10:35
v8-wasm.h	10.38 KB	-rw-r--r--	2026-08-10 10:35
v8-weak-callback-info.h	2.72 KB	-rw-r--r--	2026-08-10 10:35
v8.h	3.69 KB	-rw-r--r--	2026-08-10 10:35
v8config.h	36.41 KB	-rw-r--r--	2026-08-10 10:35

Rename

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SRC_NODE_BUFFER_H_
#define SRC_NODE_BUFFER_H_

#include "node.h"
#include "v8.h"

namespace node {

namespace Buffer {

static const size_t kMaxLength = v8::Uint8Array::kMaxLength;

typedef void (*FreeCallback)(char* data, void* hint);

NODE_EXTERN bool HasInstance(v8::Local<v8::Value> val);
NODE_EXTERN bool HasInstance(v8::Local<v8::Object> val);
NODE_EXTERN char* Data(v8::Local<v8::Value> val);
NODE_EXTERN char* Data(v8::Local<v8::Object> val);
NODE_EXTERN size_t Length(v8::Local<v8::Value> val);
NODE_EXTERN size_t Length(v8::Local<v8::Object> val);

// public constructor - data is copied
NODE_EXTERN v8::MaybeLocal<v8::Object> Copy(v8::Isolate* isolate,
                                            const char* data,
                                            size_t len);

// public constructor
NODE_EXTERN v8::MaybeLocal<v8::Object> New(v8::Isolate* isolate, size_t length);

// public constructor from string
NODE_EXTERN v8::MaybeLocal<v8::Object> New(v8::Isolate* isolate,
                                           v8::Local<v8::String> string,
                                           enum encoding enc = UTF8);

// public constructor - data is used, callback is passed data on object gc
NODE_EXTERN v8::MaybeLocal<v8::Object> New(v8::Isolate* isolate,
                                           char* data,
                                           size_t length,
                                           FreeCallback callback,
                                           void* hint);

// public constructor - data is used.
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
  // check to avoid wrapping in subsequent subtraction
  if (off > max)
    return false;

// Asking for more than is left over in the buffer
  if (max - off < len)
    return false;

// Otherwise we're in bounds
  return true;
}

}  // namespace Buffer
}  // namespace node

#endif  // SRC_NODE_BUFFER_H_