X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fnode-pty%2Fnode_modules%2Fnan%2Fdoc%2Fbuffers.md;fp=node_modules%2Fnode-pty%2Fnode_modules%2Fnan%2Fdoc%2Fbuffers.md;h=8d8d25cf75a854d989ef7bc498caa7721913b89a;hp=0000000000000000000000000000000000000000;hb=e79e4a5a87f3e84f7c1777f10a954453a69bf540;hpb=4339da12467b75fb8b6ca831f4bf0081c485ed2c diff --git a/node_modules/node-pty/node_modules/nan/doc/buffers.md b/node_modules/node-pty/node_modules/nan/doc/buffers.md new file mode 100644 index 0000000..8d8d25c --- /dev/null +++ b/node_modules/node-pty/node_modules/nan/doc/buffers.md @@ -0,0 +1,54 @@ +## Buffers + +NAN's `node::Buffer` helpers exist as the API has changed across supported Node versions. Use these methods to ensure compatibility. + + - Nan::NewBuffer() + - Nan::CopyBuffer() + - Nan::FreeCallback() + + +### Nan::NewBuffer() + +Allocate a new `node::Buffer` object with the specified size and optional data. Calls `node::Buffer::New()`. + +Note that when creating a `Buffer` using `Nan::NewBuffer()` and an existing `char*`, it is assumed that the ownership of the pointer is being transferred to the new `Buffer` for management. +When a `node::Buffer` instance is garbage collected and a `FreeCallback` has not been specified, `data` will be disposed of via a call to `free()`. +You _must not_ free the memory space manually once you have created a `Buffer` in this way. + +Signature: + +```c++ +Nan::MaybeLocal Nan::NewBuffer(uint32_t size) +Nan::MaybeLocal Nan::NewBuffer(char* data, uint32_t size) +Nan::MaybeLocal Nan::NewBuffer(char *data, + size_t length, + Nan::FreeCallback callback, + void *hint) +``` + + + +### Nan::CopyBuffer() + +Similar to [`Nan::NewBuffer()`](#api_nan_new_buffer) except that an implicit memcpy will occur within Node. Calls `node::Buffer::Copy()`. + +Management of the `char*` is left to the user, you should manually free the memory space if necessary as the new `Buffer` will have its own copy. + +Signature: + +```c++ +Nan::MaybeLocal Nan::CopyBuffer(const char *data, uint32_t size) +``` + + + +### Nan::FreeCallback() + +A free callback that can be provided to [`Nan::NewBuffer()`](#api_nan_new_buffer). +The supplied callback will be invoked when the `Buffer` undergoes garbage collection. + +Signature: + +```c++ +typedef void (*FreeCallback)(char *data, void *hint); +```