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Name	Size	Permission	Date
libplatform	[ DIR ]	drwxr-xr-x	2026-05-01 04:22
common.gypi	15.07 KB	-rw-r--r--	2021-09-28 13:58
config.gypi	3.26 KB	-rw-r--r--	2021-09-28 14:01
node.h	33.09 KB	-rw-r--r--	2021-09-28 13:58
node_api.h	31.82 KB	-rw-r--r--	2021-09-28 13:58
node_api_types.h	3.82 KB	-rw-r--r--	2021-09-28 13:58
node_buffer.h	3.35 KB	-rw-r--r--	2021-09-28 13:58
node_object_wrap.h	3.77 KB	-rw-r--r--	2021-09-28 13:58
node_version.h	3.71 KB	-rw-r--r--	2021-09-28 13:58
v8-debug.h	8.42 KB	-rw-r--r--	2021-09-28 13:59
v8-inspector-protocol.h	513 B	-rw-r--r--	2021-09-28 13:59
v8-inspector.h	9.14 KB	-rw-r--r--	2021-09-28 13:59
v8-platform.h	7.89 KB	-rw-r--r--	2021-09-28 13:59
v8-profiler.h	30.13 KB	-rw-r--r--	2021-09-28 13:59
v8-testing.h	1.05 KB	-rw-r--r--	2021-09-28 13:59
v8-util.h	19.49 KB	-rw-r--r--	2021-09-28 13:59
v8-value-serializer-version.h	648 B	-rw-r--r--	2021-09-28 13:59
v8-version-string.h	978 B	-rw-r--r--	2021-09-28 13:59
v8-version.h	772 B	-rw-r--r--	2021-09-28 13:59
v8.h	335.82 KB	-rw-r--r--	2021-09-28 13:59
v8config.h	14.68 KB	-rw-r--r--	2021-09-28 13:59

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 {

extern bool zero_fill_all_buffers;

namespace Buffer {

static const unsigned int kMaxLength =
    sizeof(int32_t) == sizeof(intptr_t) ? 0x3fffffff : 0x7fffffff;

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);

// 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_